Pulse or digital communications – Repeaters – Testing
Patent
1984-08-31
1986-02-25
Griffin, Robert L.
Pulse or digital communications
Repeaters
Testing
307566, 307318, 330255, H04B 156, H04B 350
Patent
active
045731683
ABSTRACT:
A biasing network comprising two nominal type GZ 2422D transorbs, two resistors nominal 68 ohms and one resistor nominal 110 ohms replicated at each combined differential current driver of nominal type Am26L531 and differential receiver of nominal type Am26L532, as jointly form a transceiver, which are upon a two-wire differential signal communication path allows communication to transpire at a common-mode offset voltage, nominally .+-.8 volts, which is greater than the differential signal voltage that the receiver does elsewise communicate at, and which common-mode offset voltage is at a level which might but for the biasing network damage or destroy the driver.
REFERENCES:
patent: 4054910 (1977-10-01), Chou et al.
patent: 4536624 (1985-08-01), Lyle
Grimm David F.
Henze Christopher P.
Bowen Glenn W.
Fuess William C.
Glenny Raymond C.
Griffin Robert L.
Sperry Corporation
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