Accurate gain direct modulation (KMOD) using a dual-loop PLL

Active polyphase filters

Aircraft data communication employing existing voice channels

All-frequency-band SSB radio communication system and radio...

AM band transmission using multi-tone modulation

AM signal transmitter

AM transmitter having single tuning means for oscllator, carrier

Amplifier phase change compensation

Amplitude modulated broadcast transmitter

Amplitude modulation circuit for a transmitter

Amplitude modulation circuit in polar transmitter and method...

Amplitude modulation with time- and spectrum-shared sidebands

Amplitude modulator, in particular for mobile radio, and a...

Amplitude modulator, in particular for mobile radio, and a...

Amplitude-modulated transmitter with controlled carrier value

Apparatus and method for frequency generation in mobile...

Apparatus and method for generating an AM-compatible digital bro

Apparatus and method for producing a plurality of output...

Automatic modulation control apparatus

Automatic modulation system