Preparation of gravure printing surfaces

Process and device for amplitude modulation of a radiofrequency

Programmable multitone DPSK modulator

PSK digital echo modulator with reduced memory capacity required

PSK modulator with noncollapsable output for use with a PLL powe

PSK Modulator with preset amplitude and phase corrections for ea

Pulse amplitude modulator

Pulse code transmitter and receiver designed to produce uniform

Pulse modulated IMPATT diode modulator

Pulse modulator using capacitor charging and discharging circuit

Pulse phase modulator/demodulator system

Pulse repetition modulator apparatus

Pulse width generator having a variable mark-to-space ratio

Pulse width modulated signal amplifier

Pulse width modulating circuit

Pulse width modulator circuit with thermal breakdown prevention

Pulse width modulator for amplitude modulation circuit

Pulse width modulator for electronic watthour metering

Pulse-modulated high-frequency transmitter

Pulse-width modulation circuit