Radio frequency excitation arrangement
Radio frequency oscillator-modulator circuit
Radio frequency pulse width amplitude modulation system
Radio frequency PWM & PPM modulator
Radio receiver monitoring and testing apparatus
Rapid tuning, low distortion digital direct modulation phase loc
Re-sampling circuit and modulator using same
Receiver for the reception of signals transmitted by delta modul
Reducing transformer interwinding capacitance
Reflecting type light modulator
Reflection type phase modulator having reduced temperature sensi
Reflection type SSB modulator
Regulated suppressed carrier modulation system
Regulation of modulator I and Q signal phasing
Remanent subcarrier component suppressing device for balanced mo
Resonant linear frequency modulator
Return to zero and sampling pulse generating circuits and...
RF amplitude modulator/mixer
RF digital phase shift modulators
RF oscillator and modulator having regulated low harmonic output