ACE9040 Description
Supersedes January 1997 edition, DS4289 - 2.5 ACE9040 provides all the speech signal processing and data/SAT tone filtering needed for AMPS or TACS analog cellular telephones. Transmit voice channel functions prise a microphone amplifier, soft limiter, bandpass filter, pressor, hard limiter, lowpass filter and a gain controlled amplifier to set deviation level. Additional transmit circuits include a DTMF generator,...