Variable bi-phase modulator circuits and variable resistors for

Variable capacitance reactance circuit

Variable frequency reference source responsive to digital data

Variable pulse-width modulation with zero D.C. average in...

Variable reactance circuit including differentially-connected tr

Variable speed asynchronous modem

Variable-throughput digital modulator and its use in FM radio br

Variable-transconductance four-quadrant Gilbert-type modulator w

VCO having control voltage and modulation signal applied to vara

VCO range shift and modulation device

Vector modulation signal generator

Very wide bandwidth linear amplitude modulation of RF signal by

Vestigial sideband modulator for a baseband input signal

Voltage and current signaling

Voltage control oscillator with modulation compensation

Voltage controlled component including a capacitive diode biased

Voltage controlled oscillator

Voltage controlled oscillator driver

Voltage controlled oscillator with filtered and compensated modu

Voltage driven microwave amplitude modulation system