Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-12-17
1992-06-09
LaRoche, Eugene R.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
3072961, 323313, H02K 301
Patent
active
051209942
ABSTRACT:
A bias network for providing the ECL reference voltages V.sub.REF1 and V.sub.REF2. Bipolar npn transistors are arranged to receive the collector terminal potentials of the emitter-coupled pair of the bias network. The npn transistors form the input devices of a differential amplifier that includes a pair of FETs arranged as a current mirror. One of each of such FETs is in series with each of the input transistors. The differential amplifier regulates the potential at an internal node of the bias network to thereby maintain the operating point of the network so that the potentials of the collector terminals are equal. As a result the bias network is rendered substantially insensitive to both temperature and supply voltage variations.
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Publication: D. A. Hodges and H. G. Jackson, Analysis and Design of Digital Integrated Circuits (1983), pp. 279 through 283.
Publication: "Current Reference Suits Large ECL Chips", Electronic Design (Apr. 13, 1989), p. 33.
Hewlett--Packard Company
LaRoche Eugene R.
Zarabian A.
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