摘要:
A semiconductor device is configured to provide current and voltage isolation inside an integrated circuit package. The semiconductor device includes first and second semiconductor dies, a first isolating block positioned on the first semiconductor die, and a second isolating block positioned on the second semiconductor die. The semiconductor device also includes a first interconnect coil having a plurality of wires connecting the first semiconductor die to the second isolating block, and a second interconnect coil having a plurality of wires connecting the second semiconductor die to the first isolating block.
摘要:
A system and method for packaging a semiconductor device (20) that includes a wall to reduce electromagnetic coupling is presented. A semiconductor device has a substrate (74) on which a first circuit (22) and a second circuit (24) are formed proximate to each other. An isolation wall (50) of electrically conductive material is located between the first circuit and the second circuit, the isolation wall (50) being configured to reduce inductive coupling between the first and second circuits during an operation of the semiconductor device. The isolation wall (50) includes a plurality of holes (52) through which encapsulation material may flow during a process of making the semiconductor device (10). Several types of isolation wall (50) are presented.
摘要:
At least one high voltage rated isolation capacitor is formed on a face of a primary integrated circuit die. The isolation capacitor AC couples the primary integrated circuit in a first voltage domain to a second integrated circuit in a second voltage domain. The isolation capacitor DC isolates the primary integrated circuit from the second integrated circuit die.
摘要:
Disclosed is a parallel capacitor comprising an insulating substrate (12), upper electrodes (11e,c), and a lower electrode (14). The upper electrodes are provided in an upper electrode region on a surface of the substrate, including a center portion (12c) and two end portions (12e). The lower electrode is provided on an entire surface of a lower electrode region including a region corresponding to the upper electrode region of an underside of the substrate, the lower electrode region being wider than the region. The capacitance of each capacitor on both ends, configured by the upper electrodes (11e) arranged in the end portions (12e), the lower electrode, and the substrate is smaller than the capacitance of a capacitor in a center portion, configured by the upper electrode (11c) arranged in the center portion (12c) of the substrate, the lower electrode, and the substrate.
摘要:
A semiconductor device according to one embodiment is provided with a first metal substrate, a second metal substrate separated from the first metal substrate, a normally-off transistor of a silicon semiconductor provided on the first metal substrate, and a normally-on transistor of a nitride semiconductor provided on the second metal substrate.
摘要:
A compensation network for a radiofrequency (RF) transistor is disclosed. The compensation network comprises first (12, 13) and second (11, 14) bonding bars for coupling to a first terminal of the RF transistor and a compensation capacitor (16, 17) respectively; one or more bond wires coupling the first (12, 13) and second (11, 14) bonding bars together; and a compensation capacitor (16, 17) formed from a first set of conductive elements (16a, 17a) coupled to the second bonding bar(11, 14), the first set of conductive elements (16a, 17a) interdigitating with a second set of conductive elements (16b, 17b) coupled to a second terminal of the RF transistor.
摘要:
A variety of circuits, methods and devices are implemented for radiofrequency amplifiers. According to one such implementation, a radiofrequency amplifier circuit is implemented in a SMD package. The circuit amplifies a radiofrequency signal having a base-band portion and a plurality of carrier signals frequency-spaced larger than the base-band bandwidth. The circuit includes a radiofrequency transistor connected to a circuit output having a parasitic output capacitance. The source-drain terminal is electrically connected to the circuit output. An internal shunt inductor provides compensation for the parasitic output capacitance. A high-density capacitor is connected between the internal shunt inductor and a circuit ground. The high-density capacitor has a terminal with a surface area can be at least ten times that of a corresponding planar surface.
摘要:
A semiconductor device is configured to provide current and voltage isolation inside an integrated circuit package. The semiconductor device includes first and second semiconductor dies, a first isolating block positioned on the first semiconductor die, and a second isolating block positioned on the second semiconductor die. The semiconductor device also includes a first interconnect coil having a plurality of wires connecting the first semiconductor die to the second isolating block, and a second interconnect coil having a plurality of wires connecting the second semiconductor die to the first isolating block.
摘要:
An electronic device packaging assembly (10) that includes a ball grid array (60) and specialized construction to be able to operate from DC up to 50 GHz with minimal parasitic losses. The packaging assembly (10) includes a thin base plate (14) made of a suitable rigid material. Power vias (48), signal vias (26) and ground vias (46) are formed through the base plate (14) to be coupled to traces, circuit components, and/or the device (12) within the packaging assembly (10). An impedance matching compensation network (28) provides impedance matching between the device (12) and the signal vias (26). The ball grid array (60) includes a plurality of solder balls (68), including ground solder balls (72), signal solder balls (74) and power solder balls (76), electrically coupled to the appropriate via extending through the base plate (14).