Universal receiver/sender

Details Universal receiver/sender Universal receiver/sender

1976-08-25

1978-02-28

Claffy, Kathleen H.

179 84VF, H04Q 150

Patent

active

040769658

ABSTRACT:
A universal receiver/sender is achieved by providing circuitry having parameters setable by binary data words from the data processing unit of a switching facility. A clock signal generator provides output signals corresponding to respective binary instruction words whereas the parameters of an analogue signals receiving circuit are controlled by binary control words. A plurality of commutating filter circuits receive pass band limited analogue signals from the receiving circuit and under control of signals from the clock generator provide binary output signals indicative that a signal within a predetermined pass band has been received. Also provided is a data store for storing the required instruction and control words as well as the output signals from the filter circuits. In addition, a signal generating circuit is responsive to predetermined clock signals to generate substantially sinusoidal signals each having a frequency directly proportional to the pulse repetition frequency of the respective clock signal.

REFERENCES:
patent: 3821484 (1974-06-01), Sternung

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