Abstract: Radio frequency (RF) switches are provided. An RF switch includes a first RF transmission line and a second RF transmission line that are capacitively coupled to each other. Moreover, the RF switch includes a third RF transmission line having a signal trace that is electrically isolated from the first and second RF transmission lines. Related methods of operating filter devices are also provided.

Abstract: The present disclosure refers to a waveguide electromechanical relay switch having a rotor with transmission paths and an axis of rotation parallel to the base plane combined with an actuator adapted to the configuration. A 4-pol switch design enables compensation of fault cases in a relatively shortened length of transmission line, reducing potential RF loss. In one embodiment, a 4-pol rotor includes an offset transmission path that enables crossing of another path on the same rotor, providing increased functionality and fault-case recovery.

Abstract: A radio frequency front-end is disclosed having a first power amplifier (PA) having a first PA input and a first PA output, a second PA having a second PA input and a second PA output, and a low-noise amplifier (LNA) having an LNA output connected to a receive output terminal and an LNA input. An input 90° hybrid coupler has a first port input connected to a transmit terminal, a second port input connected to a fixed voltage node through an isolation impedance, a third port output connected to the first amplifier input and a fourth port output connected to the second amplifier input. An output 90° hybrid coupler has a first port output connected to a common terminal, a second port output connected to the LNA input, a third port input connected to the second PA output, and a fourth port input connected to the first PA output.

Abstract: An integrated circuit (IC) device includes an optical IC substrate, a local trench inside the optical IC substrate, and a photoelectronic element including a photoelectric conversion layer buried inside the local trench. The photoelectric conversion layer is buried inside the local trench in the optical IC substrate to form the photoelectronic element. Thus, the IC device may inhibit warpage of the optical IC substrate.

Abstract: A plasmon generator comprises a plasmon supporting surface and first and second quantum systems respectively defining first and second quantum states with a tunneling junction being present between the first and second quantum systems, the first and second quantum systems being present in an electric circuit to generate a tunneling current between the first and second quantum systems, whereby electrons tunneling between said first and second quantum states loose energy in the process and generate plasmons at the plasmon supporting surface.

Abstract: A configurable antenna may include a circular horn array comprising a plurality of horn antennas, a configurable waveguide in a center of the circular horn array, and a plurality of actuators. The configurable waveguide includes a plurality of retractable triangular wedges, with one side of each wedge oriented to one of the plurality of horn antenna and a corner oriented toward a center of the waveguide, wherein a circle defined by each of the corners oriented toward the center of the waveguide defines a first circumference. The configurable waveguide further includes a plurality of movable tuning rods arranged in a circle defining a second circumference, the second circumference being smaller than the first circumference, said movable tuning rods further arranged such that the movable tuning rods are between the corners the corners oriented toward the center of the waveguide.

Abstract: A gas turbine engine has a signal transmission system comprising a waveguide 40 which enables the transmission of microwave radio signals between a rotor 24 and stationary receiving electronics 32 of the engine. The waveguide 40 is centered on the engine axis 9.

Abstract: A transfer device for microwave signals is presented. The transfer device comprises a housing defining a cavity therein, input ports and output ports defined on walls of the housing and a translatably displaceable waveguide structure positioned within the cavity and including at least two selectable functional segments. In use the translatably displaceable waveguide structure is displaced within the cavity to apply a selected function, such as a switching function and/or a combining function, to microwave signals propagating between the input ports and the output ports. Optionally, the transfer device may include multiple stacked translatably displaceable waveguide structures which can be independently displaced within the housing to apply a desired function to the microwave signals propagating between the input ports and the output ports. A method of using such transfer device is also presented.

Abstract: A waveguide switch based on alternating short and open loads in a waveguide path. In one embodiment, the switch being made up of four waveguides connected by sections of ridge waveguides where simple short-circuit loads can be activated to control the signal paths. The switch being adapted for the C-, R- and T-type switches. Another embodiment of the same device being adapted for SPT type switched.

Abstract: Embodiments of the invention are directed to a high isolation waveguide switch that can either be manually or mechanically operated. Operation proceeds by loosening a fastener, which draws a rotor portion of the switch away from a stator portion; rotating the rotor by 90 degrees; and tightening the fastener, pushing the rotor into contact with the stator and completing connections to the waveguide ports. Gaskets may provide EMI shielding and ensure port-to-port isolation.

Abstract: Methods and systems for communicating via flip-chip die and package waveguides are disclosed and may include communicating one or more signals between sections of an integrated circuit via one or more waveguides integrated in a multi-layer package. The integrated circuit may be bonded to the multi-layer package. The waveguides may be configured via switches in the integrated circuit or by MEMS switches integrated in the multi-layer package. The signals may include a microwave signal and a low frequency control signal that may configure the microwave signal. The low frequency control signal may include a digital signal. The waveguides may comprise metal and/or semiconductor layers deposited on and/or embedded within the multi-layer package.

Abstract: Methods and systems for configuring one or more electrical waveguides in an integrated circuit by adjusting a geometry of the one or more electrical waveguides, and communicating one or more electrical signals between components within the integrated circuit via the one or more electrical waveguides. The geometry of the one or more electrical waveguides may be configured by adjusting a length of the one or more electrical waveguides utilizing switches in the integrated circuit. The switches may include CMOS transistors. The one or more signals may include a microwave signal and a low frequency digital control signal that configures the microwave signal. The electrical waveguides may include metal and/or semiconductor layers deposited on and/or embedded within the integrated circuit.

Abstract: Embodiments of the invention are directed to a high isolation waveguide switch that can either be manually or mechanically operated. Operation proceeds by loosening a fastener, which draws a rotor portion of the switch away from a stator portion; rotating the rotor by 90 degrees; and tightening the fastener, pushing the rotor into contact with the stator and completing connections to the waveguide ports. Gaskets may provide EMI shielding and ensure port-to-port isolation.

Abstract: Methods and systems for intra-printed circuit board communication via waveguides are disclosed and may include communicating one or more signals between or among a plurality of integrated circuits via one or more waveguides integrated on a printed circuit board. The integrated circuits may be bonded to the printed circuit board. The waveguides may be configured via switches integrated within each of the plurality of integrated circuits. The one or more signals may include microwave signals. The one or more waveguides may be configured for communicating microwave signals with a frequency of 60 GHz or greater. The communication of the one or more signals may be configured via a low frequency control signal, which may include a digital signal. The one or more waveguides may include metal and/or semiconductor layers deposited on and/or embedded within the printed circuit board.

Abstract: Methods and systems for inter-chip communication via integrated circuit package waveguides are disclosed and may include communicating one or more signals between or among a plurality of integrated circuits via one or more waveguides integrated in a multi-layer package. The integrated circuits may be bonded to the multi-layer package. The waveguides may be configured via switches in the integrated circuits or by MEMS switches integrated in the multi-layer package. The signals may include a microwave signal and a low frequency control signal that may configure the microwave signal. The low frequency control signal may include a digital signal. The waveguides may comprise metal and/or semiconductor layers deposited on and/or embedded within the multi-layer package.

Abstract: An apparatus has an antenna configured to receive transmitted digital data, wherein the data comprises circular polarity (CP) and linear polarity (LP) format signals. The apparatus also has a waveguide coupled to the antenna and configured to propagate: 1) a first component of the CP format signal which is received; 2) a second component of the CP format signal which is received, said second component being substantially orthogonal to said first component; and 3) the LP format signal which is received. The apparatus further has one or more phase adjusters configured to allow adjustment to be made to match a phase of the first and second components of the CP format signal. The apparatus also has one or more amplitude adjusters configured to allow adjustments to be made to match an amplitude of the first and second components of the CP format signal.

Abstract: Methods and systems for intra-chip waveguide communication are disclosed and may include configuring one or more waveguides in an integrated circuit and communicating one or more signals between blocks within the integrated circuit via the one or more waveguides. The one or more waveguides may be configured via switches in the integrated circuit by adjusting a length of the one or more waveguides. The one or more signals may include a microwave signal and a low frequency control signal that configures the microwave signal. The low frequency control signal may include a digital signal. The one or more waveguides may include metal layers deposited on the integrated circuit or within the integrated circuit. The one or more waveguides may include semiconductor layers deposited on the integrated circuit or embedded within the integrated circuit.

Abstract: A radio transceiver device includes circuitry for radiating electromagnetic signals at a very high radio frequency both through space, as well as through wave guides that are formed within a substrate material. In one embodiment, the substrate comprises a dielectric substrate formed within a board, for example, a printed circuit board. In another embodiment of the invention, the wave guide is formed within a die of an integrated circuit radio transceiver. A plurality of transceivers with different functionality is defined. Substrate transceivers are operable to transmit through the wave guides, while local transceivers are operable to produce very short range wireless transmissions through space. A third and final transceiver is a typical wireless transceiver for communication with remote (non-local to the device) transceivers.

Abstract: A waveguide for use in apparatus for receiving transmitted data signals is provided. The waveguide includes first, second and third channels with the received data entering the first channel and components of the received data, signals being selectively deflected from the first channel into the second or third channels. The form of the components depends on whether the data signals have circular or linear polarity. The components leave the waveguide in substantially the same phase as which they entered the waveguide thereby allowing the same to be subsequently processed. The provision of the waveguide allows the receiving apparatus to be used to receive data signals with either circular and/or linear polarity and be subsequently processed.

Abstract: A high frequency electrical signal control device comprises a transmitter for generating a high frequency electrical signal, a receiver, a transmission line for propagating the electrical signal, and a structure for radiating the electrical signal propagated through the transmission line to the space or receiving a signal from the space. The degree of coupling of the electrical signal between the space and the transmission line provided by the structure can be variably controlled.

Abstract: Disclosed is a DPDT RF switch. The DPDT RF switch includes: first to fourth transmission lines for forming first to fourth ports, respectively; and first to fourth slot line pattern sections. The first slot line pattern section includes: a first slot line; and a first switching device for blocking signal transfer by short-circuiting a gap of a slot line. The third slot line pattern section includes: a third slot line; and a third switching device for blocking signal transfer by short-circuiting a gap of a slot line. The second slot line pattern section includes: a first loop-shaped slot line; a second slot line; and a second switching device for blocking signal transfer by short-circuiting a gap of a slot line. The fourth slot line pattern section includes: a second loop-shaped slot line; a fourth slot line; and a fourth switching device for blocking signal transfer by short-circuiting a gap of a slot line.

Abstract: Very small size true directional couplers have a coupling coefficient that is independent on load VSWR. The coupler uses coupled inductors with a compensation circuit including a resistor and a capacitor, or just a capacitor. Wideband operation is suitable for many portable applications such as power detection and control for GSM, DCS-PCS, CDMA/WCDMA, Bluetooth, and WLAN systems.

Abstract: A system for detecting interactions between charged targets and analytes. The system includes a fluid channel, and a waveguide associated with the fluid channel. A detection region is associated with the waveguide, and a biasing element is operatively coupled to the detection region. The biasing element is adapted to electrically bias a portion of the waveguide at the detection region, and the charged targets are electrostatically bound to the detection region when the portion of the waveguide is electrically biased. An optical detector is adapted to detect optical changes from the detection region.

Abstract: In one implementation, a method is provided for an image guide coupler. The method includes controlling a coupling between adjacent waveguides of a propagating wave by controlling a coupling through at least one field pick up probe positioned next to the adjacent waveguides. In some implementations, controlling the coupling through the at least one field pick up probe includes using a series connected switch. In some implementations, the method includes controlling the coupling through the at least one field pick up probe using a pin diode, a transistor, a MEMS switch, or a varactor, in series with the at least one field pick up probe.

Abstract: A microwave switch housing assembly for operation in a selected frequency range. The housing assembly includes a housing having ports, a rotor containing at least one waveguide passage, and power absorbing material positioned either in the housing or in the rotor. Ports are positioned within the housing it so that in a first position of the rotor, the waveguide passage connects the ports and in a second position of the rotor, the waveguide passage is unconnected to the ports. The power absorbing material is positioned adjacent to one end of said waveguide passage when said rotor is in said second position it absorbs electromagnetic energy in the frequency range and reduces the tendency of the isolation passage to act as a volume resonator when the rotor is in the second position.

Abstract: A three dimensional waveguide is integrated with a MEMS structure to control a signal in various RF components. The components include switches, variable capacitors, filters and phase shifters. A controller controls movement of the MEMS structure to control a signal within the component. A method of construction and a method of operation of the component are described. The switches have high power handling capability and can be operated at high frequencies. By integrating a three dimensional waveguide with a MEMS structure, the components can be small in size with good operating characteristics.

Abstract: A dielectric constant waveguide measuring apparatus preferably comprises a rectangular waveguide aperture on each end with a width a and height b. The waveguide frame is preferably split to permit the waveguide to be opened for insertion of the unknown material into a middle reduced cross-sectional area portion of the waveguide frame. In one embodiment, a metal septum is inserted between two samples of the unknown material to thereby reduce the cross-sectional area of the waveguide aperture by splitting width a of the rectangular waveguide in half. The waveguide frame is closed and a frequency response of the waveguide is then measured. The dynamic dielectric constant of the unknown material is determined from the frequency of the lowest order minimum value of the frequency response of the waveguide apparatus wherein the unknown material has been inserted.

Abstract: An R switch with a stator and a rotor with three paths wherein a central, straight interconnection is constructed as step transformers and formed bar-like by recesses incorporated laterally in the in the steps of the transformers in order to lower the low frequency limit of the HF signals which can be transmitted.

Abstract: In one embodiment, an image guide coupler switch is provided having a dielectric image guide coupler with a coupling control circuit. In this embodiment the coupling control circuit has at least one field pick up probe which extends at least part way across the image guide coupler. A switch is connected in series with the at least one field pick up probe. An optional capacitor my be provided in series with the series with the switch. In some embodiments, a pair of field pick up probes is provided, with the switch being connected in series with and between the pair of field pick up probes. Some embodiments may have multiple pairs of field pick up probes, each having a switch connected in series with a pair of field pick up probes. An optional capacitor may be provided in series with the pair of field pick up probes.

Abstract: A shutter switch is disclosed and placed in the path of a millimeter beam and is either opaque or transparent to the beam. The shutter switch comprises a number of waveguides placed adjacent to one another to intercept the beam, a portion of the beam passing through each waveguide. The dimensions of each waveguide are such that transmission of the respective portion of the beam would be cut-off if all of the waveguide walls were conductive. However, the waveguides have high impedance structures on at least two of their opposing interior walls that allow the beam at the design frequency to be transmitted through the waveguide with uniform density and minimal attenuation. At this design frequency the shutter switch is essentially transparent to the beam. Each of the high impedance structures can also be changed to a conductive surfaces such that all of the waveguide walls appear conductive and the waveguide takes on the characteristics of a metal rectangular waveguide.

Abstract: A center-pivoted, conductive vane equipped with contact-enhancing finger stock on the wiping edges rests during normal operation of a modified waveguide section parallel to and equidistant between the broad faces of the waveguide, where it interacts minimally with RF propagating through the waveguide. When it is desired to provide a short circuit to the waveguide, for a safety lockout or other uses, the vane can be rotated into a position to provide a substantial barrier to RF propagation. Rotating the pivot shaft, to which the vane is rigidly attached, performs rotation of the vane. The shaft is equipped with lockable stops for the open and shorted positions. Multiple center-pivoted vanes in a multiple-branch waveguide can form a switch.

Abstract: An RF switch (100) which includes a waveguide structure (102) having at least a first (104) and second port (106). The RF switch (100) also includes a dielectric structure defining at least a first cavity (136) disposed at a juncture between the first and second ports. The dielectric structure can define a plurality of elongated fluid cavities (136) at the juncture extending between opposing walls (116, 118) of the waveguide structure (102). The RF switch (100) also can include a fluid control system (150) that moves a conductive fluid (138) into the first cavity (136) in a first operational state and at least partially purges the conductive fluid (136) from the first cavity (138) in a second operational state. A conductive path can be provided between the conductive fluid and at least one wall (1116, 118) of the waveguide structure (102).

Abstract: A selectable waveguide transitions between two positions to at least two independent signals by their polarization or frequency. This waveguide consists of dissimilar wave sections coupled to an antenna feed and is mechanically actuated for signal selection switching to route signals to output ports and respective probes that are polarization sensitive. The waveguide sections offer high polarization purity so that signal components remain separated to avoid mutual interference and low insertion loss to maintain system efficiency. Selectable waveguide can be extended for multiple polarization and frequency operation. Frequency selective surfaces and tapers establish pass bands and attenuation levels for frequency selection. The selectable waveguide is suitable for both frequency and polarization selectively in antenna system.

Abstract: A shutter switch is disclosed the is placed in the path of a millimeter beam and is either opaque or transparent to the beam. The shutter switch comprises a number of waveguides placed adjacent to one another to intercept the beam, a portion of the beam passing through each waveguide. The dimensions of each waveguide are such that transmission of the respective portion of the beam would be cut-off if the all of the waveguide walls were conductive. However, the waveguides have high impedance structures on at least two of their opposing interior walls that allow the beam at the design frequency to be transmitted through the waveguide with uniform density and minimal attenuation. At this design frequency the shutter switch to be essentially transparent to the beam. The high impedance structures can also be changed to a conductive surfaces such that all of the waveguides walls appear conductive and the waveguide takes on the characteristics of a metal rectangular waveguide.

Abstract: A high frequency receiver is provided with improved insertion loss and noise factor. The receiver uses a low loss input stage and interstage noise matching block. The input stage and interstage noise matching block utilize a suspended substrate matching circuit wherein the substrate is free space. The interstage noise matching block further uses a broadside suspended substrate coupler where the broadside coupler is suspended in a free space substrate. Singly and in combination, when used in a high frequency receiver arrangement, the suspended substrate input matching circuit and the suspended substrate interstage matching circuit with suspended substrate coupler minimize insertion loss and improve the high frequency receiver overall noise factor.

Abstract: A waveguide switch having a stator and an electrically conducting movable element, the stator having waveguide paths between waveguide terminal pairs, each path being switchable to conducting or nonconducting with the help of the movable element for high-frequency waves. To permit lower requirements regarding manufacturing tolerances, the movable element is designed as a septum in a gap in the stator and extends in the waveguide path, which is switched to nonconducting, in parallel to its E plane. This divides the waveguide path into two partial waveguides, which run in parallel with one another and, in comparison with the switched-to-conducting state of the waveguide path, have smaller cut-off wavelengths.

Abstract: An apparatus and method for switching waveguides between T switch and a bypass waveguide. The apparatus comprises a housing having a first, second and third housing port and a waveguide rotor, having a first and second rotary position. The waveguide rotor includes a first T waveguide, having a first and second T port, for connecting the second and third housing ports in the first rotary position, a second T waveguide having a third and fourth T port, for connecting the first and fourth housing ports in the first rotary position and a bypass waveguide, having a first and second bypass port, for connecting the first and second housing ports in the second rotary position. The first and second rotary positions are alternately selectable by rotating the waveguide rotor.

Abstract: A redundant microwave system operable to process a microwave signal propagating in a microwave cavity includes a microwave cavity and two microwave processing devices. Each microwave processing device has a transmissive impedance when it is on and a reflective impedance when it is off. There is a separate coupling probe extending from each of the microwave processing devices to locations within the microwave cavity. When a primary one of the microwave processing devices is switched on and the redundant microwave processing device is switched off, its coupling probe reflects energy so that almost all of the energy flows through the primary microwave processing device. If the primary microwave processing device fails and is switched off, its coupling probe reflects energy so that almost all energy flows through the redundant device. No separate active switching device or circuit is used.

Abstract: An apparatus and method for switching waveguides between T switch and a bypass waveguide. The apparatus comprises a housing having a first, second and third housing port and a waveguide rotor, having a first and second rotary position. The waveguide rotor includes a first T waveguide, having a first and second T port, for connecting the second and third housing ports in the first rotary position, a second T waveguide having a third and fourth T port, for connecting the first and fourth housing ports in the first rotary position and a bypass waveguide, having a first and second bypass port, for connecting the first and second housing ports in the second rotary position. The first and second rotary positions are alternately selectable by rotating the waveguide rotor.

Abstract: An apparatus and method for switching waveguides between a junction waveguide and a bypass waveguide among a plurality of housing ports. The apparatus comprises a housing having a first, second and third housing port and a waveguide rotor, having a first and second rotary position. The waveguide rotor includes a junction waveguide, having a first, second and third junction port, for combining the first, second and third housing ports in the first rotary position and a bypass waveguide, having a first and second bypass port, for connecting the first and second housing ports in the second rotary position. The junction and bypass waveguides are alternately selectable by rotating the waveguide rotor to the first and second rotary positions.

Abstract: An apparatus and method for switching waveguides between a junction waveguide and a bypass waveguide among a plurality of housing ports. The apparatus comprises a housing having a first, second and third housing port and a waveguide rotor, having a first and second rotary position. The waveguide rotor includes a junction waveguide, having a first, second and third junction port, for combining the first, second and third housing ports in the first rotary position and a bypass waveguide, having a first and second bypass port, for connecting the first and second housing ports in the second rotary position. The junction and bypass waveguides are alternately selectable by rotating the waveguide rotor to the first and second rotary positions.

Abstract: A switchable directional coupler in which a three position switch partitions the coupler into three distinct coupling paths among its four ports according to the status of a pair of quadrature phase input signals of amplitudes A and B. In one position with both input signals being active, the output signal has an amplitude of A+B. In a second position with only the input signal of amplitude A being active, the output signal has an amplitude of A. In the third position with only the input signal of amplitude B being active, the output signal has an amplitude of B.

Abstract: A three dimensional microwave switch having a plurality of waveguide transmission lines configured in an octahedral shape having microwave I/O ports at the corners. Individual actuators selectively move respective reeds within the waveguide transmission lines between a signal-attenuating position abutting the interior surface of the waveguide transmission line and a signal-conducting position substantially coaxial with the waveguide transmission line and abutting the signal lines of the I/O microwave ports couple to opposite ends of the waveguide transmission line.

Abstract: The microwave switch includes a housing (1) and a rotor (2) having a rotor axis (A). The rotor (2) includes respective plate-shaped parts (10,20) having corresponding ring-shaped outer surfaces (OS, OS′) and walls (15 to 18) extending between the plate-shaped parts. The rotor (2) is provided with through-going passages (7,8,9) extending transversely to the rotor axis (A) between the plate-shaped parts (10,20) and the walls (15 to 18). Grooves (6) for improving isolation of the passages (7,8,9) are provided only in the ring-shaped outer surfaces (OS, OS′) and extend longitudinally substantially parallel to the rotor axis (A). The grooves (6) open into the passages and the passages are bounded by the plate-shaped parts (10,20) in both directions of the rotor axis.

Abstract: A microwave switch having a switch housing with side walls in which waveguide connections are arranged; a switch rotor rotatably arranged in the switch housing; a drive means arranged on the switch housing with a shaft for providing a moment for rotating the switch rotor; and a transmission arrangement arranged to transmit the moment of the drive means to the switch rotor. The transmission arrangement has a first link with a radially extended slot, and a second link fixed to the shaft and fitted with a guide member arranged to be slidably moved in the slot. Further provided is a first stop member fixedly connected to the switch rotor and arranged, in the respective switch position, to engage with a second stop member fixedly connected to the switch housing; and a means arranged to apply a torque to the switch rotor in order to press the stop members against each other.

Abstract: A 3D microwave switch having a plurality of waveguide transmission lines configured in a polyhedron and with I/O microwave ports at the corners. An actuator selectively moves respective reeds in the waveguide transmission lines between a signal-attenuating position abutting the interior surface of the waveguide transmission line and a signal-conducting position substantially coaxial with the waveguide transmission line and abutting the signal lines of the I/O microwave ports coupled to opposite ends of the waveguide transmission line. Preferably, the transmission lines and ports are formed in a tetrahedral-shaped conductive cavity with a single 4-pole magnet at its center for actuating the reeds or in an octahedral-shape with different actuators for each reed.

Abstract: A high power waveguide valve capable of selectively transmitting or sealing the high power without causing its breakdown during a high power operation is disclosed. The inventive high power waveguide valve includes a vacuum chamber, a U-shaped waveguide being provided in the vacuum chamber, a first linear motion driver for vertically sliding the U-shaped waveguide, a dual H-corners assembly connected with the U-shaped waveguide, a sealing plate for selectively sealing the radio frequency between the U-shaped waveguide and the dual H-corners assembly, and a second linear motion driver for horizontally sliding the sealing plate.

Abstract: A single integrated antenna feed transmits and receives electromagnetic waves in the C, X, and Ku frequency bands. This antenna feed includes an inner metal tube which lies along a central axis, and an outer metal tube which surrounds and is coaxial with the inner metal tube. Through the inner tube, a passageway is provided which is sized to carry electromagnetic waves in the X-band and Ku-band, but reject electromagnetic waves in the C-band. Between the inner tube and the outer tube, another passageway is provided which is sized to carry electromagnetic waves in the C-band. An I/O port for the X and Ku-bands is provided by a first end of the inner tube, and an I/O port for the C-band is provided by a corresponding first end of the outer tube. This first end of the outer tube lies proximate to but not past the first end of the inner tube. A solid dielectric is inserted into and fills the first end of the inner tube; and, a hollow metal cone is attached to the first end of the outer tube.

Abstract: A dual frequency waveguide switch passes electromagnetic waves in the X-band along one route, and passes electromagnetic waves in the Ku-band along a different route. This switch includes a housing which has first, second, and third openings for the electromagnetic waves to pass through; and a movable member, mounted in the housing, having first and second passageways. The first passageway is shaped to pass electromagnetic waves in both the X-band and the Ku-band, and the second passageway is shaped to pass electromagnetic waves in the Ku-band but reject electromagnetic waves in the X-band. A forcing mechanism forces the moveable member to a position "A" in the housing where the first passageway interconnects the first opening to the second opening, and to a position "B" where the second passageway interconnects the first opening to the third opening.

Abstract: A high frequency transceiver includes a transmit/receive switch which is coupled to a transmission path and to a receive path of the module. The transmit/receive switch includes a 3 dB directional coupler having first, second and third ports, and a decoupled port which is connected to the receive path. Two HF power amplifiers are connected to the first and second ports of the transmit/receive switch to form a balanced amplifier in the transmission path. An HF switch is connected to the first and second ports of the transmit receive switch for short-circuiting the HF output of the balanced amplifier. A switching device is connected to the HF switch and to the receive path for selectively switching the transmission path and the receive path to be operational.