Frequency synthesizer

Frequency synthesizer tuning system for television receivers

Frequency synthesizers for supporting voice communication...

Frequency tracking using inner and outer loops

Frequency translation correction scheme satellite...

Frequency translator

Frequency translator using a cordic phase rotator

Frequency translator using a non-periodic local oscillator...

Frequency tuning for satellite ground stations

Frequency verification of an amplitude modulated signal

Frequency, phase and modulation control system which is...

Frequency- and phase-modulation telecontrol receiver for...

Frequency-changer structures

Frequency-doubler circuit

Frequency-encoded optical cdma transmission system and...

Frequency-hopping radio communications system

Frequency-shaped amplifier with pedestal amplifying stage

Frequency-shift keying system for low frequency radio...

Frequency-shift transmitter

Frequency-time division duplex in radio communications systems