Automatic, digitally synthesized matching line terminating imped

Details Automatic, digitally synthesized matching line terminating imped Automatic, digitally synthesized matching line terminating imped

1980-10-23

1982-09-21

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

333 17M, 179170NC, 1791702, 364724, 340347DA, H03H 1702, H04B 320

Patent

active

043510604

ABSTRACT:
A circuit for automatically digitally synthesizing an output impedance, which may be a matching line terminating impedance, is provided. The means for establishing the desired output impedance characteristic is accomplished using a simplified recursive digital filter arrangement. In addition, means are provided for eliminating the effects of incidental undesirable shunting impedances.

REFERENCES:
patent: 3828281 (1974-08-01), Chambers, Jr.
patent: 3906488 (1975-09-01), Suarez-Gartner
patent: 4021654 (1977-05-01), Harris et al.
patent: 4125900 (1978-11-01), Betts
patent: 4161633 (1979-07-01), Treiber

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