Miscellaneous active electrical nonlinear devices – circuits – and – Gating – Signal transmission integrity or spurious noise override
Patent
1996-11-08
1999-06-29
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Gating
Signal transmission integrity or spurious noise override
327103, 327108, 327563, 341136, H03K 1716, H03M 504
Patent
active
059173602
ABSTRACT:
When a pair of emitter-coupled transistor switches 22A and 22B are switched over, the D flipflop 26A shifts the base potential of a transistor buffer circuit 24 to reduce a potential fluctuation at a constant current source 21, reducing a current oscillation caused by the transient response of the constant current source 21 in which feedback control is performed by a comparator 214. In another construction, a potential oscillation waveform of the connected emitter node is stored in a RAM and the waveform read out of the RAM is added to the base of the transistor buffer circuit to reduce the current oscillation.
REFERENCES:
patent: 4651033 (1987-03-01), Yasutake et al.
Callahan Timothy P.
Englund Terry L.
Fujitsu Limited
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