Phase-locked loop circuit

Phase-locked loop frequency modulation circuit for input modulat

Phase-locked loop type synthesizer having modulation function

Phase-locked oscillator for microwave/millimeter-wave ranges

PLL circuit modulatable by a modulation signal having a direct c

PLL frequency modulator having bias voltage applied to filter ca

PLL modulation circuit and polar modulation apparatus

Rapid tuning, low distortion digital direct modulation phase loc

Reducing transformer interwinding capacitance

Regulation of modulator I and Q signal phasing

Signal oscillator, FM modulation circuit using the same, and FM

Single point modulator having a PLL circuit

Split delay-line oscillator for secure data transmission

System and method for signal filtering in a phase-locked...

Systems and methods for frequency modulation adjustment

Three point modulated phase locked loop frequency synthesis...

Transmission modulation apparatus, communication apparatus...

Transmission module

Transmitter with complex phase comparator

Trimming method and trimming device for a PLL circuit for...