Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-02-13
1999-01-12
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327540, 327563, G05F 110
Patent
active
058595635
ABSTRACT:
A voltage reference circuit includes: an amplifier A1 with low open loop output impedance, an output of the amplifier is coupled to a first input of the amplifier A1; and a first resistor R1 coupled between the output of the amplifier A1 and a reference node 30, the first resistor R1 has a resistance substantially equally to the low open loop output impedance, whereby a low frequency impedance at the reference node 30 is substantially equal to the resistance.
REFERENCES:
patent: 5122730 (1992-06-01), Milberger et al.
patent: 5302888 (1994-04-01), Hellums et al.
Tsecouras Michael J.
Yang Steve Wiyi
Yung Henry Tin-Hang
Brady III Wade James
Callahan Timothy P.
Donaldson Richard L.
Stewart Alan K.
Texas Instruments Incorporated
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