Assignee: Gennum Corporation

Location: Burlington, CA
No. of patents: 35

Number	Title	Issue Date
RE40038	Latch-up recovery in quantized feedback DC restorer circuits A method and apparatus for avoiding and or recovering from the latch-up condition in a quantized feedback DC restorer circuit for use in a digital data communication system receiver. An automatic gain control (AGC) circuit controls the level of the received data by ...	01/29/2008
D538268	Headset for an electronic device	03/13/2007
7065134	Adaptive equalizer with large data rate range An adaptive equalizer with a large data rate range is provided. The equalizer comprises an equalizer core, a slicer and an automatic gain control (AGC) loop. The equalizer core is coupled to an input signal from a transmission medium and applies a transfer function ...	06/20/2006
6879217	Triode region MOSFET current source to bias a transimpedance amplifier Transimpedance amplifiers (TIAs) are typically used within optical receiver modules to amplify weak photocurrents received from the photodetector, in the form of photodiode, or a PIN diode. Since TIAs are used to amplify weak photocurrents, noise in the resultant am...	04/12/2005
6876260	Elevated front-end transimpedance amplifier Transimpedance amplifiers (TIAs) are typically used within optical receiver modules to amplify weak photocurrents received from the photodetector. The TIA amplifies this weak photocurrent into an output voltage that is further provided to other stages of the optical...	04/05/2005
6876259	Fully integrated received signal strength indicator for a transimpedance amplifier A transimpedance amplifier (TIA) circuit and received signal strength indicator (RSSI) circuit are provided on a same integrated circuit substrate for providing of a TIA output signal and a RSSI signal. The RSSI signal is being used as an indication of optical align...	04/05/2005
6731541	Low voltage single poly deep sub-micron flash EEPROM An EEPROM memory cell comprising a transistor on a first conductivity type semiconductor substrate and a capacitor formed on a second conductivity type semiconductor substrate. The capacitor comprises first and second injector regions of third conductivity type, a c...	05/04/2004
6631087	Low voltage single poly deep sub-micron flash eeprom An EEPROM memory cell comprising a transistor on a first conductivity type semiconductor substrate and a capacitor formed on a second conductivity type semiconductor substrate. The capacitor comprises first and second injector regions of third conductivit...	10/07/2003
6501792	Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer A serial digital data communications receiver with an improved automatic cable equalizer that is less susceptible to jitter and has greater multi-standards capability, and an improved automatic gain control system with a DC restorer that provides optimal ...	12/31/2002
6463108	Latch-up recovery in quantized feedback DC restorer circuits A method and apparatus for avoiding and or recovering from the latch-up condition in a quantized feedback DC restorer circuit for use in a digital data communication system receiver. An automatic gain control (AGC) circuit controls the level of the receiv...	10/08/2002
6411494	Distributed capacitor A multi-layer distributed capacitor structure comprises a bottom electrode layer overlying a monolithic substrate, intermediate pairs of layers of film electrode and dielectric material overlying the bottom electrode, and a top pair of layers of a film el...	06/25/2002
6304615	Serial digital data communications receiver with improved automatic cable equalizer, AGC system, and DC restorer A serial digital data communications receiver with an improved automatic cable equalizer that is less susceptible to jitter and has greater multi-standards capability, and an improved automatic gain control system with a DC restorer that provides optimal ...	10/16/2001
6288592	Cable driver with controlled linear rise and fall A cable driver is disclosed which provides a substantially linear output signal corresponding to an input signal received by the cable driver on a transmission line. The cable driver includes a number of switches coupled by delay elements with cause the s...	09/11/2001
6218722	Antifuse based on silicided polysilicon bipolar transistor An improved antifuse which employs the base-emitter junction of a silicided single polysilicon bipolar transistor. The distance between the base metal and emitter metal is shortened and results from self aligning process steps rather than lithographic ste...	04/17/2001
6201450	Extended frequency range relaxation oscillator with improved linearity A relaxation oscillator, such as a voltage controlled oscillator (VCO), with automatic swing control feedback which dynamically monitors the voltage swing across a capacitor and adjusts the oscillator threshold voltage, at which reversal of the polarity o...	03/13/2001
6133626	Three dimensional packaging configuration for multi-chip module assembly A multi-chip module (MCM) assembly has three stacked integrated circuit (IC) layers. The first IC layer is electrically flip-chip connected to a substrate. The back of the second IC layer may be glued to the back of the first IC layer, and the second and ...	10/17/2000
6118350	Bus through termination circuit A system of resistive end termination and transmission line routing is disclosed for matching the impedance of an IC load to that of a signal source and a transmission line. Each integrated circuit has an internal termination resistor designed to match th...	09/12/2000
6034554	Phase detector for high speed clock recovery from random binary signals An improved phase detector for detecting the difference between an information signal and a clock signal is provided. The information signal is divided into a plurality of N divided signals, the data rate of each divided signal being the data rate of the ...	03/07/2000
5953069	Sync separator circuit Sync separator and video detector circuits, including a sync tip clamp having symmetrical and non-symmetrical clamps. The symmetrical clamp clamps the input video signal to a reference voltage during composite sync pulses, so the coupling capacitor discha...	09/14/1999
5832097	Multi-channel synchronous companding system A multi-channel synchronous compander for hearing aids, in which the input signal from an input transducer is directed through a 2:1 front compressor, then through a band splitting filter to divide it into a desired number of frequency bands, then through...	11/03/1998
5541556	Clock recovery circuit for serial digital video A control circuit for use with a phase locked loop in a digital video receiver. The digital receiver accepts a serial digital input signal which can comprise composite or component video signals. The phase locked loop comprises a phase detector, a loop fi...	07/30/1996
5528457	Method and structure for balancing encapsulation stresses in a hybrid circuit assembly A method and a structure for reducing the stresses arising in a hybrid circuit from the interface between the encapsulant and the substrate. An additional layer, preferably of the same material as the substrate, is added to the outside surface of the enca...	06/18/1996
5478517	Method for molding IC chips To encapsulate IC chips or other parts located in openings in a tape carrier, upper and lower mold halves are closed forming a cavity about each chip. The lower mold half has a lower mold part containing a lower cavity half, and a front wall extending dow...	12/26/1995
5432559	Self-adjusting window circuit with timing control A self-adjusting window circuit suitable for fabrication as a monolithic integrated circuit. The self-adjusting window circuit comprises an input port, a positive edge detector coupled to the input port, a latch coupled to the output of the edge detector ...	07/11/1995
5426389	System for DC restoration of serially transmitted binary signals A device for restoring DC and non-zero average components of a serially transmitted binary signal which has been AC coupled. The device comprises an input port for the binary signal, a clamping circuit, a feedback network, a summing node, and an output po...	06/20/1995
5420524	Differential gain stage for use in a standard bipolar ECL process An improved differential gain stage for a bipolar monolithic integrated circuit. The integrated circuit is formed from a semiconductor substrate, and the differential gain stage includes first and second bipolar transistors. The base of the first transist...	05/30/1995
5359299	High speed and low drift charge pump circuit A device for converting binary logic pulses into an output current and the output current being switchable between a positive and negative polarity. The device provides a charge pump circuit which is suitable for the phase-detector stage in a phase-locked...	10/25/1994
5357220	Emitter-coupled oscillator with differential switching control An emitter-coupled oscillator circuit suitable for monolithic integration. The emitter-coupled oscillator circuit comprises (a) switching means for producing at an output port an output signal having a variable oscillation frequency, and the switching mea...	10/18/1994
5293071	Bump structure for bonding to a semi-conductor device A bump structure for bonding leads to a semi-conductor, in which the bump has a thin lower portion which overlaps and seals the edges of the passivation layer, and a thicker upper or stem portion of smaller lateral dimensions to fit within the margins of ...	03/08/1994
5220220	Noise suppression system The noise suppression system has a discriminator, an amplitude circuit and a filtering circuit. The discriminator has an input sensor, a timer and a decision unit. The input sensor senses when the incoming signal is over a given amplitude threshold and st...	06/15/1993
5212414	Switch with frequency compensation, differential bias operation compensation and enable indicator The switch has a cross-point. The cross-point has an input buffer, a level shift and an output buffer. The input and output buffers are BJT's, the level shift is two diode connected BJT's. The voltage drops across the buffers are designed to match the vol...	05/18/1993
5056151	Electrical component connection and combinations of electrical components An electrical component combination having a receiver and an amplifier. The receiver has three pins extending from its front surface. The amplifier has six pads on its rear surface. The pins are bonded to three of the pads providing electrical and mechani...	10/08/1991
5029281	Clipping circuit The clipping circuit has a voltage reference and a transconductance connected to a voltage input. The input is connected through the transconductance to an output resistor. The voltage output is taken between the output resistor and the transconductance. ...	07/02/1991
5023543	Temperature compensated voltage regulator and reference circuit The temperature compensated reference circuit has a first common emitter BJT whose base is connected to a first JFET current source and through a JFET resistor to a voltage output. The JFET resistor is biased in the linear region and the JFET current sour...	06/11/1991
4901030	Operational amplifier stages The improved operational amplifier stages are an input, a gain and an output stage. The input stage has a differential buffer amplifier connected to a transconductance section for converting a differential voltage signal to a current signal. The input sta...	02/13/1990

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Assignee: Gennum Corporation