Inventor

NAGARAJ KRISHNASWAMY

US70 patents

⚠️ This page may combine multiple inventors who share the name “NAGARAJ KRISHNASWAMY”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NAGARAJ KRISHNASWAMY

TEXAS INSTRUMENTS INC

CMOS imager with an A/D per pixel convertor

Sigma-delta analog-to-digital converter with auto tunable loop filter

Overcoming finite amplifier gain in a pipelined analog to digital converter

Fully differential flash A/D converter

Low voltage buffer amplifier for high speed sample and hold applications

Digital self-calibration scheme for a pipelined A/D converter

Digital self-calibration scheme for a pipelined A/D converter

Polarity shifting flash A/D converter and method

Method and apparatus for tuning high Q bandpass filters using pulse excitation

Adaptive clocking for analog-to-digital conversion

Calibrated-output analog-to-digital converter apparatus and methods

Enhanced resolution successive-approximation register analog-to-digital converter and method

Switched capacitor integrator using unity gain buffers

High speed delta-sigma A/D converter using a quantized USM negative feedback loop

Reduction of aperture distortion in parallel A/D converters

Folding circuit and A/D converter

Successive approximation register analog to digital converter

Normalizing error signal in analog-to-digital converter runaway state

Nonlinearity calibration scheme for a frequency modulation transmitter

Sigma-delta modulator for generating a sinusoidal signal

Resistance and offset cancellation in a remote-junction temperature sensor

Loop bandwidth enhancement technique for a digital PLL and a HF divider that enables this technique

LUCENT TECHNOLOGIES INC

Adaptive line equalizer

PTAT current source

Circuit for optimal signal slicing in a binary receiver

Analog-to-digital converter having amplifier and comparator stages

Wide range equalizer with line length detection

Constant transconductance CMOS amplifier input stage with rail-to-rail input common mode voltage range

Method and apparatus for adjusting the input common mode voltage of a differential amplifier

Five-level switched-capacitor DAC, method of operation thereof and sigma-delta converter employing the same

Voltage-to-current converter with rail-to-rail input range

Wide band process independent gain controllable amplifier stage

Bootstrap clock generator

Amplifier for use in time-sharing applications

Local clock duty cycle independent phase detector and method of operation thereof

Wide band constant gain amplifier

MPSK demodulator

AT & T BELL LAB

Adaptive charge pump for phase-locked loops

Cyclic analog-to-digital converter

Switched-capacitor circuit with large time constant

Class AB CMOS amplifier

AT & T CORP

Bandgap voltage reference generator

Median peak detector for controlling disk pickup head

Multiple control voltage generation for MOSFET resistors

KUMAR AJAY

Self-calibrating, stable LDO regulator

Ring oscillator

Common-mode feedback amplifier

AMERICAN TELEPHONE & TELEGRAPH

Demodulator circuit

NAGARAJ KRISHNASWAMY

Low power digital phase lock loop circuit

KAMATH ANANT SHANKAR

Phase interpolator and a delay circuit for the phase interpolator