Abstract: A Doherty power amplifier (100) includes: a first amplification circuit (110), including a main power amplification branch and at least one auxiliary power amplification branch; a delay device (383), connected in the main power amplification branch; a combiner network (140), configured to: perform impedance inversion on the first amplification circuit (110), and couple an output end of the main power amplification branch and an output end of the at least one auxiliary power amplification branch to a load (160); and a first power divider (130), connected to an input end of the main power amplification branch and an input end of the at least one auxiliary power amplification branch, and configured to allocate an input signal of the first power divider (130) to the main power amplification branch and the at least one auxiliary power amplification branch.

Abstract: An electrical connector includes an insulative housing defining a number of receiving grooves, a number of terminals secured to the insulative housing, and a number of conductive balls received in the receiving grooves. Each receiving groove defines a through hole. Each conductive ball is urged by a corresponding terminal to partially protrude from an associated through hole.

Abstract: A cable bypass assembly is disclosed for use in providing a high frequency transmission line that connect a chip package on a circuit board to connector spaced apart from the chip package. The bypass cable assembly has a structure that allows for low loss between the chip package and the connector. Multiple cables can be used to provide a number of differentially coupled channels.

Abstract: An electrical connector includes an insulative housing, a number of terminals carried by the insulative housing, a metallic shielding plate retained in the insulative housing, and a shielding shell attached to the insulative housing. The insulative housing has a number of receiving slots located at a back-end thereof. The terminals have a number of soldering portions exposed from the insulative housing. Each receiving slot is located between every two neighboring soldering portions to receive soldering material.

Abstract: Disclosed herein are stretchable, foldable and optionally printable, processes for making devices and devices such as semiconductors, electronic circuits and components thereof that are capable of providing good performance when stretched, compressed, flexed or otherwise deformed. Strain isolation layers provide good strain isolation to functional device layers. Multilayer devices are constructed to position a neutral mechanical surface coincident or proximate to a functional layer having a material that is susceptible to strain-induced failure. Neutral mechanical surfaces are positioned by one or more layers having a property that is spatially inhomogeneous, such as by patterning any of the layers of the multilayer device.

Abstract: An electrical connector includes an insulative housing, a metallic shielding shell enclosing the housing, and an insulative shell enclosing the metallic shielding shell. The metallic shielding shell forms a first mating cavity. The insulative shell includes a round rib protruding from an inner sidewall of the insulative shell. The round rib and the metallic shielding shell interfere with each other.

Abstract: A split connector includes a housing (10) with an accommodating portion (12) and sub-connectors (20) are inserted into the accommodating portion (12). Terminal fittings (23) and retainers (30) are inserted into the sub-connectors (20). Guide recesses (14L, 14R) are formed on an inner surface of the accommodating portion (12) and extend along an inserting direction of the sub-connectors (20) into the accommodating portion (12). Guide projections (29L, 29R) are formed on outer surfaces of the sub-connectors (20) and fit into the guide recesses (14L, 14R) in an inserting process into the accommodating portion (12). Detecting projections (34L, 34R) on outer surfaces of the retainer (30) are configured not to fit into the guide recesses (14L, 14R) when the retainers (30) are at a partial locking position but fit into the guide recesses (14L, 14R) when the retainers (30) are at a full locking position.

Abstract: Circuits for power-combined power amplifier array are provided, the circuits comprising: an input splitter coupled to an input that provides a plurality of outputs; a plurality of power amplifier unit cells, each power amplifier unit cell coupled to a corresponding output of the input splitter and each power amplifier unit cell providing an output signal at an output of the power amplifier unit cell; and a power combiner having an output, a plurality of inputs, each input coupled to the output of a corresponding power amplifier unit cell, and a plurality of C-L-C-section equivalents, each having an input connected to a corresponding one of the plurality of inputs of the power combiner and an output connected to the output of the power combiner.

Abstract: The invention is related to an electronic cigarette, the electronic cigarette comprises an electronic cigarette body; the electronic cigarette body is provided with a smoking end, a tar storage device, an atomization assembly and a battery rod assembly; the tar storage device is arranged on one end of the electronic cigarette body away from the smoking end; a connection mechanism is arranged at the location where the atomization assembly and the tar storage device are connected with each other. Since the tar storage device is arranged on the end far away from the smoking end, a user can be effectively prevented from inhaling the non-atomized tobacco liquid and being hurt by heat generated by the atomization assembly; and furthermore, the tar storage device and the atomization assembly are mutually fastened and connected by the connection mechanism, thus the electronic cigarette is convenient in disassembly and assembly.

Abstract: A fuse unit includes a bus bar and a housing. The bus bar includes a power source-side connection section, an output-side connection section, and a fusible body. A terminal configured to be connected to the output-side connection section includes a bent section and protrusion sections. The housing includes a terminal accommodation section for accommodating the output-side connection. The accommodation space is enclosed with side walls standing upright on both sides of the output-side connection section in an insertion direction of the terminal and on a deep side thereof in the insertion direction of the terminal. The terminal accommodation section includes terminal insertion start-side movement restricting walls and a height-direction and terminal insertion start-side movement restricting wall.

Abstract: A control circuit of a power amplifier includes a peak detector, a first comparator, a first current source, a second comparator, a second current source and a bias circuit. The peak detector is arranged for detecting an amplitude of an input signal. The first comparator is arranged for comparing the amplitude of the input signal with a first threshold to generate a first comparing result. The first current source is arranged for generating a first current according to the first comparing result The second comparator is arranged for comparing the amplitude of the input signal with a second threshold to generate a second comparing result. The second current source is arranged for generating a second current according to the second comparing result. The bias circuit is arranged for generating a bias voltage according to the first current and the second current to the power amplifier.

Abstract: A cable bypass assembly is disclosed for use in providing a high frequency transmission line that connect a chip package on a circuit board to connector spaced apart from the chip package. The bypass cable assembly has a structure that allows for low loss between the chip package and the connector. Multiple cables can be used to provide a number of differentially coupled channels.

Abstract: An interface card adapting device structure, mainly includes an outer frame body, transmission conductors, a connector and fixing elements, where the transmission conductors are accommodated in the outer frame body, each of them comprises a first contact portion and second contact portion; the connector is in electric connection with the first contact portion selectively at a predetermined position thereof and fixed by the fixing elements. whereby, when the plugging-in position of an external connector is to be changed, the outer frame body is fixed to the interface card, the connector is inserted in the interface card connector, and the fixing elements is used to fix it and the second first contact portion together; at this time, the external connector can then be plugged into the second contact portion. Thus, the insertion direction and position can be changed without being bound by smaller space, being more extensive.

Abstract: An electrical connector includes a contact module enclosed within a metallic main shell. The contact module includes an insulative housing and a plurality of contacts retained in the housing. The housing includes a base and a tongue portion extending forwardly from the base. The main shell is formed by stamping and forming, and includes opposite first and second side walls, and a pair of end walls linking the opposite first and second side walls. The shell forms a mating cavity enclosing the tongue portion. A seam is formed on the second side wall. An adhesive layer is applied upon an exterior surface of the second side wall to cover the seam for providing a waterproof function. A metallic sub-shell is attached upon the adhesive layer.

Abstract: This invention relates to a power amplifier device comprising an amplifier component (A) operable to receive an input signal (s;) and to provide an amplified output signal (so), according to a control signal (ctrl), an envelope tracking modulator (ET), providing the control signal (ctrl) according to a static voltage (V s) and a dynamic voltage (V D), a power supply (S) providing said static and dynamic voltages according to measurements performed by a power sensor (PS) on the amplified output signal, so that the static voltage (Vs) is determined as a mean value of the output signal (So) over a predetermined time duration.

Abstract: An electronic vapor device is disclosed comprising a vapor outlet, a first container for storing a first vaporizable material, wherein the first container is permanently integrated into the electronic vapor device, a second container for storing a second vaporizable material, wherein the second container is removable from the electronic vapor device, a docking bay configured to receive the second container, wherein the second container is removed from or inserted into the docking bay through a door, and a vaporizer component configured for vaporizing the first vaporizable material or the second vaporizable material to generate a vapor and for providing the vapor to the vapor outlet.

Abstract: An electrical contact, connector and assembly. The contact includes a contact portion for mating with a mating contact. A stabilizing portion extends from an end of the contact which is opposite the contact portion. The stabilizing portion cooperates with at least one stabilization member of a housing of an electrical connector to minimize the rotation of the contact relative to the electrical connector. The connector includes a housing having stabilization members provided in contact receiving cavities. The assembly includes a terminal position assurance device which engages the stabilizing portions and cooperates with the stabilizing portions to increase the pull out force required to displace the contacts.

Abstract: A pair of connectors comprises a first connector with a first contact and a second connector with a second contact. The connectors are configured for attachment to one another along an attachment axis. The connectors are movable relative to one another between a first configuration and a third configuration via a second configuration. The connectors are attached to one another in the first configuration and in the second configuration, and can only be detached from one another from the third configuration. The contacts of the connectors are touching in the first configuration, and are not touching in the second configuration. Movement of the connectors between the first and second configurations requires the connectors to undergo a first manipulation. Movement of the connectors between the second and third configurations requires the connectors to undergo a second manipulation which is different to the first manipulation.

Abstract: An interior body includes a spring portion, a movable portion, and a fixing portion, which are integrated together and formed by bending a first metal plate having a high modulus of elasticity. An exterior body is formed by bending a second metal plate having low electric resistance. A movable portion of the interior body includes a contact portion and elastic arms. Each of the elastic arms includes, at its tip portion, an elastically pressing portion elastically pressed against a tubular internal surface of the exterior body.

Abstract: A resealable disposable microvaporizer cartridge having an outer casing and an inner casing that is radially inwards of the outer casing, a trapdoor, and a tank defined between a radially inward surface of the outer casing and a radially outward surface of the inner casing. The cartridge is sealed by the trapdoor on one end, and the trapdoor is resealable. A disposable mouthpiece can also be provided on the disposable cartridge.