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Wireless network card with antenna selection option
A wireless network card includes an adaptable antenna connection structure that includes connections for one or more internal antennas and for one or more Radio...
Adjusting a programmable mixer
A method for adjusting a programmable mixer of a local oscillation module to reduce local oscillation leakage begins by determining at least one of: DC offset of...
Determination of received signal strength in a direct conversion receiver
Determination of a received signal strength indication in a direct conversion receiver begins by determining, at a given time, a 1.sup.st value to be the larger...
Adaptive radio transceiver with a wide tuning range VCO
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...
Method and system for reducing cross-talk and avoiding bridged taps
The present invention establishes a communications link between a central office (CO) modem and a customer premise equipment (CPE) modem. The CO modem then...
Efficiently transmitting RTP protocol in a network that guarantees in
order delivery of packets
A method and computer program product for providing RTP suppression across a DOCSIS network. An index number and a set of rules are sent to a receiver. The index...
Digital-to-analog converter with programmable current control
A wide gain range current digital-to-analog converter (DAC) is presented that includes a unit current cell having a current source module biased by a current...
High speed, low power comparator
A method for reducing bit errors in an analog to digital converter having an array of comparators. The outputs of first and second comparators are received as in...
Tuned transformer balun circuit and applications thereof
A tuned transformer balun circuit includes a transformer balun, a first tuning capacitor, a second tuning capacitor, and a third tuning capacitor. A first plate...
Apparatus and method for phase lock loop gain control using unit current
A gain compensator compensates for the gain variation of a varactor-tuned voltage tuned oscillator (VCO) in a phase lock loop (PLL). The VCO includes a parallel...
Systems and methods for ramping power amplifier output power
A power amplifier circuit including a first transistor, a second transistor, and a power control circuit. The first transistor includes a first input and a first...
Methods and systems for biasing a power amplifier
An amplifier circuit including a first transistor and a biasing circuit. The biasing circuit includes a process compensation circuit. The biasing circuit being...
Multilevel power amplifier architecture using multi-tap transformer
A multi-level power amplifier architecture using a multi-tap transformer implemented on a single CMOS integrated circuit wireless communications device is...
High-fanin static multiplexer
An improved high-fanin multiplexer that is highly-scalable, fast and area-efficient. In one embodiment of the present invention, multiple logic "legs" are...
Dynamic register with IDDQ testing capability
The present invention is a method and a system for controlling a voltage at a node in a circuit such that the node is prevented from having an unknown floating...
Use of an internal on-chip inductor for electrostatic discharge protection
of circuits which use bond wire...
A circuit includes a plurality of circuit components formed on a semi conductive substrate die and a bond wire. The plurality of circuit components include at...
Multi-power ring chip scale package for system level integration
A scalable multi-power integrated circuit package for integrated circuits having spaced apart first, second and third pluralities of respective spaced apart chip...
System and method for performing on-chip self-testing
A method for determining whether a physical layer device under test is defective may include establishing a closed communication path between a verified physical...
Energy detect with auto pair select
Energy detect with auto pair select. The present invention is operable without `a priori` knowledge of the pairs' connectivity. In addition, the present...
Conditional execution with multiple destination stores
A method for conditionally performing a SIMD operation causing a predetermined number of result objects to be held in a combination of different ones of a...
Automatic gain control adjustment of a radio receiver
A method for adjusting automatic gain control of a radio receiver begins by determining power level of a radio frequency (RF) signal received by the radio...
System for spectrum allocation in ethernet-based fiber optic TDMA networks
A system for management of bandwidth, cost control, and operational efficiency in a fiber optic, ethernet-based, TDMA communications system. The invention...
Method, apparatus and system for high-speed transmission on fiber optic
Multi-carrier modulation fiber optic systems constructed using a series of electrical carriers, modulating the data on the electrical carriers and combining the...
Switch having external address resolution interface
A network switch that has a plurality of input ports that receive data packets. An external interface is connected to the plurality of input ports. The external...
Radio frequency variable gain amplifier with linearity insensitive to gain
A multi-stage, variable gain amplifier whose linearity is relatively insensitive to variations in gain control is disclosed. The amplifier includes a primary...
A source-follower transistor based buffer provides high linearity. A replica transistor is used to generate a replica voltage substantially equal to the output...
Low leakage CMOS power mux
A power supply multiplexing circuit including a first supply voltage input. A first pair of cascoded PMOS transistors are in series with the first supply voltage...
Physical layer loop back method and apparatus
The network device includes a transceiver, a pattern generation unit and a pattern recognition unit. The transceiver connects to a communications medium. The...
Security chip architecture and implementations for cryptography
An architecture and a method for cryptography acceleration is disclosed that allows significant performance improvements without the use of external memory....
Optimizing cache efficiency within application software
The present invention finds the optimum organization of compiled code within an application to ensure maximal cache efficiency. A configuration file specifies...
Per CoS memory partitioning
A network device for monitoring a memory partitioned by an identifier can include at least one port configured to receive at least one packet. The at least one...
Baseband controller in a wireless local area network
A baseband controller includes a microsequencer that is formed to include special hardware resources and a configuration that facilitates using the ...
Methods and systems for reducing power-on failure of integrated circuits
Methods and systems for protecting integrated circuits from power-on sequence currents and for biasing transistors in paths susceptible to power-on sequence...
System and method for stabilizing high order sigma delta modulators
A system and method is provided for stabilizing high order sigma delta modulators. The system includes an integrator having a limiter in the feedback path of the...
Supply tracking clock multiplier
A circuit for and method of operating a supply tracking clock multiplier is provided. An embodiment of the present invention may permit a less power consuming...
Method of creating incentives for establishing hotspot locations
A process of creating incentives for wireless hotspots by a service provider is disclosed. An access point is provided to a wireless hotspot for wireless devices...
Calibration circuit for VCO
A phase-locked loop circuit includes an array of selectable capacitors formed within the phase-locked loop circuit to enable the phase-locked loop circuit to...
Low noise amplifier (LNA) gain switch circuitry
A circuit is formed to steer current in and out of an inductive load in a manner that enables an amplifier to provide a plurality of gain steps without modifying...
LNA gain adjustment in an RF receiver to compensate for intermodulation
A Radio Frequency (RF) receiver includes a low noise amplifier (LNA) and a mixer coupled to the output of the LNA. The gain of the LNA is adjusted to maximize...
Wide bandwidth transceiver
The wide bandwidth transceiver includes a receiver section, a transmitter section, and a local oscillation module. The receiver section includes a 1.sup.st...
High speed CMOS transmit-receive antenna switch
A high-speed CMOS transmit/receive antenna switch includes a first transistor, a second transistor and a parasitic compensation network. The first transistor is...
Temperature sensor insensitive to device offsets with independent
adjustment of slope and reference temperature
A radio transceiver includes circuitry that enables received RF signals to be down-converted to baseband frequencies and baseband signals to be up-converted to...
Data capture apparatus with handwritten data receiving component
A versatile data handling apparatus providing multiple alternatives for inputting data is disclosed. The apparatus includes an array of depressible keys, a...
Dual link DVI transmitter serviced by single Phase Locked Loop
A dual link transmitter constructed according to the present invention employs a single Phase Locked Loop (PLL) to service both a primary link and a secondary...
Switch having virtual shared memory
A network of switches having a first switch having a first memory interface and a first expansion port. The network also has an expansion bus having a first...
Pre-equalization technique for upstream communication between cable modem
A number of features for enhancing the performance of a cable transmission system in which data is transmitted between a cable modem termination system at a...
Starvation free flow control in a shared memory switching device
A shared memory packet switching device includes: a shared memory providing a shared memory space; an input logic unit associated with at least one receive port,...
Radio transceiver card communicating in a plurality of frequency bands
A computer apparatus for receiving a removable communication card such as a radio card or a modem card. A radio or modem is self-contained inside a housing of...
Error feedback structure for delta-sigma modulators with improved
An error feedback circuit includes a first summer receiving an analog input signal and a feedback signal and outputting a summed signal. A quantizer receives the...
Off-chip LC circuit for lowest ground and VDD impedance for power
Off-chip LC circuit for lowest ground and VDD impedance for power amplifier. A novel approach is made by which a chip to PCB (Printer Circuit Board) interface...