Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1984-05-11
1987-06-16
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307 32, 307443, 307242, 307264, 323317, 330288, 370 32, 455 73, H03K 336, H04B 138, H04L 514, H04J 1500
Patent
active
046738304
ABSTRACT:
A network for supplying identical biasing voltages and programmable direct currents to a plurality of mutually similar transceivers, connected across respective transmission lines, is integrated with the associated transceivers in a common semiconductor body and comprises a generator of fixed reference voltage determined by the band gap of the semiconductor. The reference voltage is applied in parallel to the bases of several NPN transistors emitting the same biasing voltage as a result thereof. This reference voltage also drives an NPN pilot transistor lying in series with an external resistor through which it draws a small programmed current. Through two cascaded amplification stages formed by NPN transistors operating in the ECL mode, with the second stage designed as a multiple-output current mirror, the programmed current is stepped up to provide the several direct currents required by the associated transceivers.
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Giorgetta Valerio
Poletta Vanni
Sartori Mario
Siligoni Marco
Bertelson David R.
CSELT - Centro Studi e Laboratori Telecomunicazioni S.P.A.
Dubno Herbert
Miller Stanley D.
Ross Karl F.
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