Abstract: An electronic device includes first and second capacitors, a case, a coil, and first to fourth conductive terminals. The first capacitor includes first and second terminal electrodes. The second capacitor includes third and fourth terminal electrodes. The case includes an accommodation recess for accommodating the first and second capacitors. The coil is separated from the first and second capacitors by a part of the case and disposed outside the accommodation recess. The first terminal is connected to the first electrode and partly disposed on a mounting-side bottom surface of the case. The second terminal is connected to one end of the coil and the second electrode and partly disposed on the surface. The third terminal is connected to the other end of the coil and the third electrode and partly disposed on the surface. The fourth terminal is connected to the fourth electrode and partly disposed on the surface.

Abstract: The current transformer includes a magnetic circuit made of magnetic material that is intended to be placed around a primary conductor, and a secondary winding that is wound onto a portion of the magnetic circuit in order to deliver a secondary current to processing circuits. In this current transformer the magnetic circuit includes at least one device for varying the magnetization of a portion of the magnetic circuit according to the temperature in order to limit or to decrease the magnetic flux in the magnetic circuit when the temperature of the magnetic circuit increases. The protection device and the electrical circuit breaker include such a transformer.

Abstract: A noise reduction circuit is connected between at least one line of an input line and an output line of a DC-DC converter, a ground, and a ground terminal of a switching control IC included in the DC-DC converter. The noise reduction circuit includes a first capacitor connected between the at least one line and the ground terminal, a second capacitor connected between the at least one line and the ground, and an inductor connected between the ground terminal and the ground.

Abstract: Aspects of the present disclosure provide an integrated circuit package having an inductive element with a magnetic core. An example integrated circuit package generally includes a semiconductor die, a redistribution layer, and a magnetic core. The semiconductor die includes a metal layer having first conductive traces and conductive pillars coupled to and extending from the metal layer. The redistribution layer is disposed below the semiconductor die and includes second conductive traces. A portion of the first conductive traces, a portion of the conductive pillars, and a portion of the second conductive traces are arranged to form an inductive element disposed below a portion of the semiconductor die. The magnetic core is disposed in the inductive element.

Abstract: An integrated passive component comprises a capacitor, a first passivation layer, an inductor, an insulation layer and an external contact. The first passivation layer surrounds the capacitor. The inductor is on the first passivation layer and electrically connected to the capacitor. The inductor comprises a plurality of conductive pillars. The insulation layer is on the first passivation layer and surrounds each of the conductive pillars. The insulation layer comprises a first surface adjacent to the first passivation layer, a second surface opposite to the first surface, and a side surface extending between the first surface and the second surface. A ratio of a width of each of the conductive pillars to a height of each of the conductive pillars is about 1:7. The external contact is electrically connected to the inductor and contacts the second surface of the insulation layer and the side surface of the insulation layer.

Abstract: There are provided an electric power feed apparatus, an electric power feed system, and an electronic apparatus which are capable of performing transmission efficiency control corresponding to positions of apparatuses when electric power transmission is performed between the apparatuses through a magnetic field. The electric power feed apparatus includes an electric power transmission section including an electric power transmission coil for performing electric power transmission through a magnetic field and an auxiliary resonance section including one or a plurality of resonators. A main resonant frequency in a main resonance operation with use of the electric power transmission coil during the electric power transmission and an auxiliary resonant frequency in the resonator are different from each other.

Abstract: A semiconductor device package includes a substrate, a package body, a conductive layer, a dielectric layer, a magnetic layer, a first insulating layer and a coil. The package body is disposed on the substrate. The package body has a first part and a second part disposed above the first part. The conductive layer is disposed on the first part of the package body and is electrically connected to the substrate. The dielectric layer is disposed on the conductive layer. The magnetic layer is disposed on the dielectric layer. The first insulating layer is disposed on the magnetic layer. The coil is disposed on the first insulating layer. The coil has a first terminal electrically connected with the magnetic layer.

Abstract: A wireless power transfer system includes a transmitter transducer, a signal generator and one or more power receivers. The signal generator may receive a first power signal from a power source and generate an alternating current transmission signal. The signal generator transmits the transmission signal to the transmitter transducer. The transmitter transducer may produce a magnetic field in a power transfer region during conduction of a transmission signal. The one or more power receivers may include a receiver transducer and a power processor. The receiver transducer may inductively receive a varying magnetic flux transmitted from the transmitter transducer when the receiver transducer is located in the power transfer region. The receiver transducer converts the received magnetic flux to a second power signal. The power processor converts the second power signal to a third power signal appropriate for a respective one or more loads.

Abstract: A wireless power transmission system as an embodiment of the present disclosure transmits electric power by a non-contact method from a first inductor to a second inductor, or vice versa, via resonant magnetic coupling. The wireless power transmission system includes: the first inductor that has a center hole; the second inductor that is spaced apart from the first inductor and that is smaller in size than the hole of the first inductor; and a magnetic body member that is arranged on one side of the first inductor so as to face the second inductor and that covers at least a part of the first inductor. That at least a part of the first inductor reaches an outer edge of the first inductor from an inner edge thereof.

Abstract: A composite electronic component may include: a composite body including a combination of a capacitor formed of a ceramic body including a plurality of dielectric layers and first and second internal electrodes disposed to face one another with the dielectric layers interposed therebetween, and an inductor formed of a magnetic body including a coil unit; a first external electrode formed on the first lateral surface of the ceramic body and electrically connected to the first internal electrodes and a second external electrode formed on the second lateral surface of the ceramic body and electrically connected to the second internal electrodes; third and fourth external electrodes formed on first and second end surfaces of the magnetic body and connected to the coil unit, and first and second dummy electrodes formed on first and second end surfaces of the magnetic body.

Abstract: A spiral capacitor-inductor device in which an array of unit capacitors 101 is arranged in a loop along the length is provided as the fourth circuit element. An input signal is applied to one end of the array of the unit capacitors, an output signal is taken out from the other end, an electric charge stored in each unit capacitor increases or decreases in accordance with increase or decrease in the bias applied to the device, the increase or decrease in the electric charge causes the current of the loop to increase or decrease, and, as a result, the magnetic flux 103 generated in the device varies. Accordingly, the fourth circuit element is provided that follows after an inductor, a capacitor, and a resistor is provided in which the electric charge stored determines the magnitude of its magnetic flux.

Abstract: A system includes a first connector coupled to a first surface of a substrate. The first connector enables the system to be electrically coupled to a first device external to the substrate. The system includes a second connector coupled to a second surface of the substrate. The system also includes a plurality of conductive vias extending through the substrate from the first surface to the second surface. The plurality of conductive vias surrounds the first connector and the second connector. The plurality of conductive vias is electrically coupled together to form a toroidal inductor. A first lead of the toroidal inductor is electrically coupled to the first connector. A second lead of the toroidal inductor is electrically coupled to the second connector.

Abstract: A device including a first electrical conductor, a second electrical conductor, dielectric material connecting the first and second conductors to each other, and an output or ground terminal section. The first electrical conductor has a first terminal section and a first plate section. The second electrical conductor includes a second terminal section and a second plate section. The second terminal section is connected to a first end of the second plate section. The second plate section includes a coil shaped section. The output terminal section is connected to an opposite second end of the second plate section. The dielectric material connects the first and second plate sections to each other.

Abstract: A composite electronic component may include: a composite body including a capacitor and an inductor coupled to each other, the capacitor having a ceramic body in which dielectric layers and internal electrodes facing each other with the dielectric layers interposed therebetween are stacked, and the inductor having a magnetic body in which magnetic layers having conductive patterns are stacked; an input terminal disposed on a first end surface of the composite body and connected to the conductive pattern of the inductor; an output terminal including a first output terminal formed on a second end surface of the composite body and connected to the conductive pattern of the inductor and a second output terminal disposed on a second side surface of the composite body; and a ground terminal disposed on a first side surface of the composite body and connected to the internal electrodes of the capacitor.

Abstract: A composite electronic component may include: a composite element in which a capacitor and an inductor are spaced apart from each other, the capacitor including a ceramic body, and the inductor including a magnetic body; a first external electrode disposed on a second end surface of the ceramic body, second external electrodes disposed on first and second side surfaces of the ceramic body, a first dummy electrode disposed on a first end surface of the ceramic body; and third and fourth external electrodes disposed on first and second end surfaces of the magnetic body. The composite element may include a first metal frame disposed on a first end surface of the composite element, a second metal frame disposed on a second end surface of the composite element, and third metal frames disposed on one or more of first and second side surfaces of the composite element.

Abstract: When firing a composite substrate structured to have stacked ceramic dielectric and ceramic magnetic layers, a glass constituent is diffused from the ceramic dielectric layer to the ceramic magnetic layer to, as a result, decrease sinterability of the ceramic dielectric layer or degrade insulation resistance characteristics thereof. When the ceramic dielectric includes 40 to 80% by weight of glass formed from 35 to 50% by weight of CaO, 0 to 20% by weight of Al2O3, 5 to 20% by weight of B2O3, and 30 to 50% by weight of SiO2; and 20 to 60% by weight of at least of alumina, forsterite, and/or quartz, this problem is avoided. The dielectric composition increases the viscosity of the glass, and suppresses constituent diffusion from the ceramic dielectric layer to the ceramic magnetic layer, because the glass is partially crystallized to form wollastonite during firing.

Abstract: A device including a first electrical conductor, a second electrical conductor, dielectric material connecting the first and second conductors to each other, and an output or ground terminal section. The first electrical conductor has a first terminal section and a first plate section. The second electrical conductor includes a second terminal section and a second plate section. The second terminal section is connected to a first end of the second plate section. The second plate section includes a coil shaped section. The output terminal section is connected to an opposite second end of the second plate section. The dielectric material connects the first and second plate sections to each other.

Abstract: Apparatus and methods for vector inductors are provided herein. In certain configurations, an apparatus includes a vector inductor comprising a plurality of conductors arranged in a stack and separated from one another by dielectric. The conductors are tightly coupled to one another to provide a relatively high amount of mutual inductance. For example, adjacent conductors in the stack can be mutually coupled with a coupling coefficient k that is at least 0.5, or more particularly, 0.9 or greater. In certain implementations, the conductors are electrically connected in parallel with one another to provide the vector inductor with low resistance. However, tight coupling between the conductors in the stack can result in vector inductor having an overall inductance that is similar to that of a self-inductance of an individual conductor in the stack. The Q-factor of the vector inductor can be increased by the inclusion of additional conductors in the stack.

Abstract: A resonant tank comprises a series resonant inductor coupled to a switching network and a transformer, a series resonant capacitor coupled to the switching network and the transformer, a first parallel inductor implemented as a magnetizing inductance of the transformer, a second parallel inductor implement as a separate inductor, wherein a first inductance of the first parallel inductor is greater than a second inductance of the second parallel inductor and a switch connected in series with the second parallel inductor.

Abstract: Described herein are configurations for an integrated resonator-shield structure for wireless power transfer. In embodiments a conductor shield is used to shield the resonator from perturbing objects. In embodiments the conductor shield is used for a current return path for the conductors of the resonator. The resonator shield can be divided into separate conductor segments to tailor the current distributions in the conductor shield.

Abstract: There is proved a variable capacitor that includes a substrate, a signal line disposed on a surface of the substrate for feeding a signal, a ground electrode disposed on the surface, and a movable electrode opposed the signal line and the ground electrode, the movable electrode operable to move toward and away from the signal line and the ground electrode. The movable electrode can be displaced by an electrostatic attraction between the movable electrode and the signal line and between the movable electrode and the signal line. An amount of displacement of the movable electrode varies according to an amount of the voltage which generates the electrostatic attraction.

Abstract: A position pointer is disclosed, in which an electronic ink cartridge of an electromagnetic induction type is accommodated. The electronic ink cartridge includes a resonance circuit having a coil and a capacitor circuit, and is configured to detect pressure applied to a core member accommodated in the position pointer based on a variation of a resonance frequency of the resonance circuit. The cartridge includes a tubular member, in which the core member and the coil are accommodated such that the coil is positioned between the core member, which extends outwardly from one end of the tubular member, and the capacitor circuit along a direction of a center axis of the tubular member. The cartridge also includes a connection member in the tubular member, which electrically connects a first end and a second end of the coil to a first terminal and a second terminal of the capacitor circuit, respectively.

Abstract: An energy-storage device electrode core is disclosed that features relatively low-inductive impedance (and thus low equivalent series resistance (ESR)). Also disclosed is an energy-storage device electrode core that features a radii-modulated electrode core that forms extra vias to facilitate efficient heat removal away from the electrode, thus improving the performance and capabilities of an energy-storage device so equipped. The internal electrode core heat-removal vias are defined by the modulation patterns that in turn define the size and layout of the folds in the electrode, which are circumferentially collapsed about the center axis of the electrode core.

Abstract: Multiple-inductor embodiments for use in substrates are provided herein.

Abstract: A tunable inductor circuit is disclosed. The tunable inductor circuit includes a first inductor. The tunable inductor circuit also includes a second inductor in parallel with the first inductor. The tunable inductor circuit also includes a switch coupled to the second inductor. A resistance of the switch is added in parallel to the first inductor based on operation of the switch.

Abstract: An antenna circuit for a device of transmission/reception by inductive coupling, including a first inductive element in parallel with a capacitive element and, between each node of the parallel association and two terminals of a switch, a second inductive element.

Abstract: A Susceptance-Mode Inductor with infinite order resonance cavity which includes an inductor section is formed by a physical inductor coil wound about a permanent magnetic materials, with both ends of the coil connecting to a electric damper and a capacitor of the infinite order resonance cavity; thereby that power is coupled into the incoming end of the infinite order resonance cavity through a radio frequency (RF) radiation electric field and the outgoing end thereof is electrically connected to a set of resonance power storage section, or alternatively the incoming end is connected to electric charge and the outgoing end is connected to the load; accordingly, the resonance of the infinite order resonance cavity, thus allowing to convert the current or electron flow at the magnetic field end into charge output by means of Lorenz force.

Abstract: A transformer of the balanced-unbalanced type includes a primary inductive circuit and a secondary inductive circuit housed inside an additional inductive winding connected in parallel to the terminals of the secondary circuit and inductively coupled with the primary circuit and the secondary circuit.

Abstract: An injector is provided that includes an injection button and a coil for radiating energy that informs an injection button detection device combined with the injector, of an input of the injection button. The injection button detection device includes a transmitter for radiating an electromagnetic wave associated with a specific voltage to radiate energy that informs an injector combined with the injection button detection device, of an input of an injection button, a receiver for receiving a voltage based on energy radiated from the injector, and a controller for detecting an input of the injection button based on the voltage received from the receiver.

Abstract: Provided are a method for providing an RF powder that is easily handled because it is used as a powder (powdery state), not used as individual elements, and is high in applicability and extensibility, extremely low in manufacturing cost in respect of the unit price of each particle, and extremely high in practicability; and an RF powder-containing liquid. In the method for providing an RF powder, an RF powder composed of a large number of RF powder particles 11a is provided to a user in a state of being stored in a container 1. The RF powder is stored in the container 1 together with a medium that prevents the large number of RF powder particles 11a from adhering to one another. The medium is a liquid having a specific color determined so as to correspond to the characteristic frequency of the RF powder.

Abstract: The present invention relates to a composite electronic component having a dielectric body portion inside of which a conductive body is provided, and a magnetic body portion inside of which a conductive body is provided. In the present invention, a layer made of a metal material is arranged between the dielectric body portion and the magnetic body portion as an intermediate layer.

Abstract: According to one embodiment, a variable gain control transformer comprises a primary winding connected to differential inputs of the variable gain control transformer, a secondary winding for providing a single ended output to a load, and an output control circuit coupled to the secondary winding, the output control circuit configured to provide up to approximately 12 dB of gain control. Variable gain control may be achieved using first and second variable resistors of the output control circuit, wherein the first and second variable resistors are implemented by respective first and second pluralities of source-drain resistances produced by respective corresponding first and second pluralities of selectable field-effect transistors (FETs). In one embodiment, the variable gain control transformer further comprises a variable capacitance tuning circuit coupled between the differential inputs, the variable capacitance tuning circuit implemented using a plurality of selectable fixed capacitance unit cells.

Abstract: The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a predetermined number of winds to increase an induced electromotive force caused by an increase in flux linkage using a time-varying magnetic field of electromagnetic waves at a position distant from various electromagnetic wave generating sources by a predetermined distance and the induction coil and a variable condenser for inducing resonance are connected to each other to increase current while reducing a resistant component existing in the induction coil to intensify and amplify the magnetic field of electromagnetic waves. Furthermore, the present invention provides a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to the transmitter and receiving coil.

Abstract: An inductive and capacitive components integration structure includes a magnetic core including a first and a second outer leg, and a third inner leg between the first and second outer legs, a first and a second winding respectively wound on the first and second outer legs, and a third winding wound on the third inner leg. The first and second windings are electrically coupled and comprise a first inductive winding. The first inductive winding does not generate any effective magnetic flux through the third inner leg. The third winding forms a second inductive winding. At least one of the first, second and third windings is a composite winding and comprises at least one embedded capacitor.

Abstract: A modified planar Low Temperature Co-Fired Ceramic (LTCC) high conductance inductor, embedding a large cross section conductor, supports a stacked arrangement of heat spreader, inductor and active device layers. Interlayer electrical connections connect the layers. Optionally, a DC-DC converter includes the modified planar LTCC high conductance inductor, embedding a large cross section conductor, supporting a stacked arrangement of heat spreader, capacitor and active device layers, the active devices layer including the switching transistors. The active devices layer may include semiconductor dies embedded in a substrate.

Abstract: A circuit arrangement includes a coreless transformer. A trimming device is connected to the transformer and includes a variable capacitance and/or inductance.

Abstract: In accordance with the present invention, a power converter transformer for suppressing conduction EMI(ElectroMagnetic Interference) includes a primary winding positioned at a primary side; a secondary winding positioned at a second side and coupled with the primary winding; a parasitic capacitor connected between one end of the primary winding and one end of the secondary winding; a switching unit connected to the other end of the primary winding; a Y-capacitor connected between the switching unit and a ground terminal; an auxiliary winding positioned at the secondary side and coupled with the secondary winding; and an auxiliary capacitor connected between the one end of the primary winding and the auxiliary winding.

Abstract: An inductive and capacitive components integration structure includes a magnetic core including a first and a second outer leg, and a third inner leg between the first and second outer legs, a first and a second winding respectively wound on the first and second outer legs, and a third winding wound on the third inner leg. The first and second windings are electrically coupled and comprise a first inductive winding. The first inductive winding does not generate any effective magnetic flux through the third inner leg. The third winding forms a second inductive winding. At least one of the first, second and third windings is a composite winding and comprises at least one embedded capacitor.

Abstract: Provided are an RF powder particle, an RF powder, and an RF powder-containing base that can make it difficult to fabricate, for example, forged documents or forged bank notes with respect to sheet-like objects having high proprietary values, such as bank notes, and that allow necessary information to be stored in each of the large number of particles which are each provided with a tank circuit having a predetermined resonant frequency. The RF powder particle includes a coil 24 (inductance element) as a magnetic filed coupling element and a condenser 25 (capacitance element) connected to the both ends of the coil on an insulating surface of a substrate 22 and is configured so as to form a tank circuit 31 by the inductance element and the capacitance element. The tank circuit 31 functions as a circuit in a resonance state or in a non-resonance state in accordance with conditions in response to a high-frequency magnetic field from outside.

Abstract: A device including a first electrical conductor, a second electrical conductor, dielectric material connecting the first and second conductors to each other, and an output or ground terminal section. The first electrical conductor has a first terminal section and a first plate section. The second electrical conductor includes a second terminal section and a second plate section. The second terminal section is connected to a first end of the second plate section. The second plate section includes a coil shaped section. The output terminal section is connected to an opposite second end of the second plate section. The dielectric material connects the first and second plate sections to each other.

Abstract: An Inductive Power Transfer (IPT) pick-up apparatus includes a magnetically permeable core, a first coil, being wound about the core so as to be inductive coupled therewith such that a current induced in the first coil is most sensitive to a first directional component of magnetic flux and a second coil, being wound about the core so as to be inductively coupled therewith such that a current induced in the second coil is most sensitive to a second directional component of magnetic flux. The first directional component is substantially orthogonal to the second directional component.

Abstract: An integrated inductor and capacitor component is provided and includes a number of tapered conductors. Neighboring ones of the tapered conductors are separated by a gap extending along a length of the component. A first one of the tapered conductors is characterized by a first width w1 that is larger at a first end of the component and tapers along the length of the component toward a second end of the component, and a second one of the tapered conductors is characterized by a second width w2 that is larger at the second end of the component and tapers toward the first end of the component.

Abstract: A pad in a semiconductor device and fabricating method thereof are disclosed. The pad includes an uppermost metal layer first to Nth intermediate metal layers, wherein capacitors configured or formed by the uppermost metal layer and the first to Nth intermediate metal layers are serially connected. Accordingly, the pad reduces total parasitic capacitance components by connecting MIM type capacitors in series, and not necessarily overlapping with each other, thereby minimizing design errors attributed to the pad by reducing parasitic factors generated from the integrated circuit design. The pad may also minimize capacitance attributed to resonance at a specific frequency. Moreover, the pad avoids affecting an adjacent pad or circuit without additional processing, despite maintaining the above-mentioned effects, thereby reducing cost.

Abstract: Disclosed is a composition for forming a dielectric, which is applied to an embedded capacitor with a high dielectric constant, a capacitor produced using the composition, and a PCB provided with the capacitor. The composition includes 40 to 99 vol % of thermoplastic or thermosetting resin, and 1 to 60 vol % of semiconductive filler. Alternatively, the composition includes 40 to 95 vol % of thermoplastic or thermosetting resin, and 5 to 60 vol % of semiconductive ferroelectric substance. Furthermore, the present invention provides the capacitor, produced using the composition, and the PCB provided with the capacitor. Therefore, the dielectric, which is produced using the composition including the semiconductive filler or semiconductive ferroelectric substance, is advantageous in that the dielectric constant is high and a dielectric loss is low. The dielectric is usefully applied to produce an embedded capacitor with the high dielectric constant and the PCB provided with the embedded capacitor.

Abstract: An integrated inductor and capacitor component is provided and includes a number of tapered conductors. Neighboring ones of the tapered conductors are separated by a gap extending along a length of the component. A first one of the tapered conductors is characterized by a first width w1 that is larger at a first end of the component and tapers along the length of the component toward a second end of the component, and a second one of the tapered conductors is characterized by a second width w2 that is larger at the second end of the component and tapers toward the first end of the component.

Abstract: The present invention provides an amplifying repeater, which is constructed in such a manner that a ferrite core is inserted into a coil with a pre-determined number of winds to increase an induced electromotive force caused by an increase in flux linkage using a time-varying magnetic field of electromagnetic waves at a position distant from various electromagnetic wave generating sources by a predetermined distance and the induction coil and a variable condenser for inducing resonance are connected to each other to increase current while reducing a resistant component existing in the induction coil to intensify and amplify the magnetic field of electromagnetic waves. Furthermore, the present invention provides a wireless power conversion charging device using the magnetic field of electromagnetic waves, which is located between an electromagnetic wave generating source transmitter and a receiving coil or attached to the transmitter and receiving coil.

Abstract: The present invention relates to a dielectric ceramic composition comprising a main component including at least one selected from barium titanate, strontium titanate and calcium titanate, and as a subcomponent, a glass component including an oxide of B, wherein a content of said glass component is 2 to 7 wt % with respect to 100 wt % of said main component. According to the present invention, there are provided a dielectric ceramic composition wherein a layer can be made thinner by relatively decreasing a content of the glass component, etc., as well as having good properties (specific permittivity, loss Q value and insulation resistance), and a complex electronic device such as a multilayer filter or a multilayer ceramic capacitor, which has a dielectric layer composed of the dielectric ceramic composition.

Abstract: A composite electronic component has: a first multilayer section including an electrode layer; and a second multilayer section laid on the first multilayer section and including at least one ground electrode layer on which a ground electrode is formed, and at least one hot electrode layer on which a hot electrode is formed. In the second multilayer section, the hot electrode layer is interposed between the ground electrode layer nearest to the first multilayer section, and the first multilayer section and in the ground electrode on the ground electrode layer nearest to the first multilayer section, at least a part of an exposed portion exposed from the hot electrode to the first multilayer section side is a narrow portion narrower than a width of an unexposed portion not exposed therefrom.

Abstract: An implantable medical assist device includes a medical device. The medical device has a housing and electronics contained therein. A lead provides an electrical path to or from the electronics within the medical device. A resonance tuning module is located in the housing and is connected to the lead. The resonance tuning module includes a control circuit for determining a resonant frequency of the implantable medical assist device and an adjustable impedance circuit to change the combined resonant frequency of the medical device and lead.

Abstract: An exemplary embodiment of the present invention described and shown in the specification and drawings is a transceiver with a receiver, a transmitter, a local oscillator (LO) generator, a controller, and a self-testing unit. All of these components can be packaged for integration into a single IC including components such as filters and inductors. The controller for adaptive programming and calibration of the receiver, transmitter and LO generator. The self-testing unit generates is used to determine the gain, frequency characteristics, selectivity, noise floor, and distortion behavior of the receiver, transmitter and LO generator. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.