Modulator immune from temperature variation-induced change...

Multi-function modulation and center frequency control port for

Multiplexed voltage and current signaling

Narrow band arbitrary HF modulation and noise generator

Numerically-controlled modulated oscillator and modulation metho

Optical current controlled oscillators

Oscillator circuit having optimized frequency modulation circuit

Oscillator phase-noise reduction

Phase and/or frequency modulated frequency synthesizer...

Phase lock loop RF modulator system

Phase locked frequency synthesizer with single input gain compen

Phase locked frequency synthesizer with single input wideband mo

Phase locked loop for direct modulation

Phase locked loop frequency modulator using fractional division

Phase locked loop that includes D. C. modulation

Phase locked loop with D.C. modulation

Phase locked loop with D.C. modulation and use in receiver

Phase locked loop with down-conversion in feedback path

Phase modulation apparatus, polar modulation transmission...

Phase modulator capable of individually defining modulation degr