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Digital signal processor for radio base station

  • US 5,295,178 A
  • Filed: 12/03/1990
  • Issued: 03/15/1994
  • Est. Priority Date: 12/03/1990
  • Status: Expired due to Term
First Claim
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1. A digitally-controlled radio communication device comprising:

  • a. a controller processor for controlling radio functions;

    b. a digital signal processing module coupled to said controller processor and having audio input signals from both at least one RF receiver and at least one line, said module detecting tones in signals from receiver and line, communicating control information to said controller processor in response to said tones, and generating control tones for transmission; and

    a tone controlled squelch encoder generating squelch tones and controlled by said controller processor, said control tones and said squelch tones being combined and transmitted from an RF transmitter.

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