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Use of a thick oxide device as a cascode for a thin oxide transcoductance
device in MOSFET technology and its...
A power amplifier power amplifier includes a transconductance stage and a cascode stage. The transconductance stage that is operable to receive an input voltage...
Methods and systems for battery charging control based on CMOS technology
A method and system, compatible with low-voltage CMOS technology, for controlling the charging of a battery. The method includes monitoring a battery voltage...
Vector processing system
A vector processing system for executing vector instructions, each instruction defining multiple value pairs, an operation to be executed and a modifier, the...
Determination of transmitter distortion
The present invention provides a method for determining nonlinear distortion of a transmitter. A test symbol sequence is transmitted from the transmitter under...
System and method to perform DC compensation on a radio frequency burst in
a cellular wireless network
A method to perform DC compensation on a Radio Frequency (RF) burst transmitted between a servicing base station and a wireless terminal in a cellular wireless...
Carrierless backwards compatible data neworking transmitter, receiver, and
New version packet data devices support a backwards-compatible signal format. New version devices operate within a first frequency band while old version devices...
Pointer based binary search engine and method for use in network devices
A network device includes at least one network port, a masks table, a rules table, a pointers table, and a fast filter processor. The masks table contains filter...
Method and apparatus for performing diagnostic tests using an assisting
A method and system for performing diagnostic tests on a communications system. Diagnostic test signals are generated by a transceiver included within the...
Method and apparatus for performing wire speed auto-negotiation
Auto-negotiation with a communication partner includes downgrading a set of advertised communications capabilities, e.g., IEEE 802.3 capabilities, when a link...
Wide-band tapered-slot antenna for RF testing
Methods and apparatus for testing wireless devices. Devices being tested receive and transmit radio frequency test signals. These radio frequency test signals...
Gain control methods and systems in an amplifier assembly
A Variable Gain Amplifier (VGA) amplifies an input signal according to a gain, to produce an amplified signal. A detector module detects a power indicative of a...
Metric calculation design for variable code rate decoding of broadband
trellis, TCM, or TTCM
Metric calculation design for variable code rate decoding of broadband trellis, TCM (trellis coded modulated), or TTCM (turbo trellis coded modulation). A single...
Implementation of test patterns in automated test equipment
An improved automated testing system that decreases the number of test signals that must be stored in the tester pattern memory for a timed test pattern. In the...
Super-orthogonal space-time trellis codes, and applications thereof
A super set of space-time block codes is combined with set partitioning to form super-orthogonal space-time trellis codes having full diversity, enhanced coding...
Apparatus and method for controlling data flow in a network switch
A method and apparatus for controlling data flow in a network switch, wherein the method includes the steps of determining if a quantity of queued data for a...
Differential amplifier with large input common mode signal range
A design for a differential amplifier with a large input common mode signal range. The differential amplifier comprises two differential pairs, each having two...
Method and apparatus for numeric optimization of the control of a
delay-locked loop in a network device
A method of setting a delay offset in slave Delay-Locked Loop (DLL) modules by a master DLL module is disclosed. The method includes determining whether a delay...
Calibration circuit and method for filter bandwidth which is parasitic
capacitance sensitive or insensitive
A calibration circuit and method causes a cutoff frequency to match the design frequency of low pass filter by adjusting a capacitor array in the low pass filter.
16 QAM and 16 APSK TTCM (Turbo Trellis Coded Modulation) with minimum
bandwidth efficiency of 3 bit/s/Hz using...
16 QAM (Quadrature Amplitude Modulation) and 16 APSK (Asymmetric Phase Shift Keying) TTCM (Turbo Trellis Coded Modulation) with minimum bandwidth efficiency of 3...
Methodology for selectively testing portions of an integrated circuit
A method and apparatus are disclosed for easily reconfiguring a scan chain test of a subset of scan blocks within a digital integrated circuit chip. To mitigate...
Methods and apparatus for hardware normalization and denormalization
Methods and apparatus are provided for efficiently normalizing and denormalizing data for cryptography processing. The normalization and denormalization...
Integrated gigabit ethernet PCI-X controller
A network controller having a multiprotocol bus interface adapter coupled between a communication network and a computer bus, the adapter including a predictive...
Method, system and computer program product for classifying packet flows
with a bit mask
Classification of packets into flows is an inherent operation performed by networks that support enhanced services. To support multiple-dimensional packet...
Method and system for increased effective resolution in an N-bit
In digital-to-analog conversion systems, a method and system for increased effective resolution in an N-bit DAC are provided. Additional resolution may be...
System and method for a startup circuit for a differential CMOS amplifier
A system is provided for correcting start-up deficiencies in an amplifier. The system includes a comparing device configured to (i) receive a second circuit node...
System and method for high frequency, high output swing buffers
Methods and systems for increasing gain for an electric circuit may include receiving an input differential signal at a first configured pair of transistors and...
Distributed 4-bits diagonal interleaved parity (DIP4) checker
A logic circuit includes an interface and an error detection unit. The interface is configured to receive and transmit a data stream, wherein the data stream...
Scan testing mode control of gated clock signals for memory devices
Circuits and methods to enhance scan testing by controlling clock pulses that are provided to memory devices within an integrated circuit are provided. An...
System and method for protecting transport stream content
Systems and methods that protect transport stream content are disclosed. The system may include a first module and a second module, the first module having a...
High-speed serial data transceiver and related methods
A high-speed serial data transceiver includes multiple receivers and transmitters for receiving and transmitting multiple analog, serial data signals at...
Method and system for converting interlaced formatted video to progressive
scan video using a color edge...
Aspects of the invention for converting interlace formatted video to progressive scan video, may include a color edge detector block (306) adapted to determined...
Video and graphics system with square graphics pixels
A video and graphics system provides square graphics pixels to blend images having 640.times.480 pixels, such as graphics images provided by some set top boxes...
Graphics display system with line buffer control scheme
A graphics integrated circuit chip is used in a set-top box for controlling a television display. The graphics chip processes analog video input, digital video...
Varactor-based ring oscillator
A varactor-based ring oscillator to produce an output signal and method therefore are disclosed. The ring oscillator includes a first phase shift circuit having...
Low offset and low glitch energy charge pump and method of operating same
A high precision charge pump used in a phase-lock-loop incorporating a phase/frequency detector is designed and constructed to substantially eliminate the...
System and method for protecting header information using dedicated CRC
Systems and methods that protect heading information using a dedicated cyclic redundancy check (CRC) are provided. In one embodiment, a method that transmits a...
File mode RAID subsystem
A method and system enables data redundancy across servers, networks, and controllers by using standard redundant files as underlying storage for RAID subsystem...
Method of handling data in a network device
A network device for handling data and a method for handling data in a network device are disclosed. The network device includes at least one media port and at...
Method and system for allocating memory during encoding of a datastream
Certain embodiments of the invention provide a method and system for allocating memory during encoding of an uncompressed information stream. A method for...
System and method for detecting a device requiring power
A system and technique for detecting a device that requires power is implemented with a power detection station. The power detection system includes a detector...
RF integrated circuit with signal gain adjustment
A method and apparatus for signal gain adjustment within an RF integrated circuit (IC) include processing that begins by determining the signal strength of a...
Data scrambler generation of pseudo-random bit sequence for
semi-stationary Q-mode signal
In a data communication system, a transmitter of a modem, for example, uses a single scrambler to operate in a data communication mode and in a non-data mode....
Method and apparatus for optimizing signal transformation in a frame-based
A method of and apparatus for optimizing signal transformation from a twisted pair transmission line to a combination transmitter and receiver for a frame-based...
Sense amplifier with adaptive reference generation
A digital memory system (30) includes a memory cell (52), a bit line (50), a transfer gate (60) a reference voltage generator (40), a sense amplifier (70) and a...
Detecting communications disconnect and enabling wireless emergency call
A process of detecting and communicating alarm events by a security system is disclosed. Sensors in communication with the security system are monitored, where...
Configurable voltage controlled oscillator system and method including
dividing forming a portion of two or...
A phase lock loop with multiple divider paths is presented herein. The phase lock loop can be used to provide a wide range of frequencies. The phase lock loop...
Gigabit Ethernet transceiver with analog front end
Circuitry to remove switches from signal paths in integrated circuit programmable gain attenuators. Programmable gain attenuators and programmable gain...
Method and system for implementing autonomous automatic gain control in a
low noise broadband distribution...
Provided is a system for implementing gain control in an amplification module comprising a first stage amplifier having a number of first stage input and output...
System for tuning a corner frequency of a low pass filter
An integrated circuit formed on a semiconductor chip, comprising a low pass filter circuit having a first resistor of a first resistance value and a capacitor of...
Direct conversion turner
A direct conversion tuner down-converts television signals, cable signals, or other signals directly from an RF frequency to an IF frequency and/or baseband,...