Radio receiver monitoring and testing apparatus
Receiver for the reception of signals transmitted by delta modul
Reflecting type light modulator
Reflection type phase modulator having reduced temperature sensi
Regulated suppressed carrier modulation system
Remanent subcarrier component suppressing device for balanced mo
Resonant linear frequency modulator
RF amplitude modulator/mixer
RF oscillator and modulator having regulated low harmonic output
RF Power amplifier with a modulating facility
Scanning laser for a scanning laser radar
SECAM Modulator
Self balancing amplitude modulator
Self test circuit for multichannel radio receivers
Self-balancing current sources for a delta modulator
Semiconductor external optical modulator
Semiconductor laser light modulation and demodulation system
Sequential beam switching of acousto-optic modulator
Serial minimum shift keyed modulator including notch and bandpas
Signal coding for telephone communication system