Carrier current digital data transceiver

Details Carrier current digital data transceiver Carrier current digital data transceiver

1984-02-08

1986-04-15

Bookbinder, Marc E.

Pulse or digital communications

Repeaters

Testing

375 36, 370 24, H04B 138

Patent

active

045832323

ABSTRACT:
An ASK carrier current digital data transceiver for transparent transfer of data between a broadband communication port and a baseband port consists mainly of an integrated circuit with transmit/receive logic for providing the required transparency and the ability to sense a contending signal. The transmit/receive logic places the transceiver in the transmit mode only when the baseband port is pulled low externally and not internally. This provides "listen-while-talk" contention sensing when the baseband port is high.

REFERENCES:
patent: 3827026 (1974-07-01), Viswanathan
patent: 3875332 (1975-04-01), Fletcher et al.
patent: 4388716 (1983-06-01), Takezoe et al.
patent: 4398298 (1983-08-01), Van Egmond et al.
patent: 4507793 (1985-03-01), Adams
Earle West, "Monolithic CCD Filters Streamline Modem Design" Electronic Design, Apr. 16, 1981, pp. 175-178.

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