Amplifiers – Signal feedback – Nonlinear impedance element in loop path
Patent
1989-05-09
1990-09-18
Mullins, James B.
Amplifiers
Signal feedback
Nonlinear impedance element in loop path
307548, 330264, H03F 134
Patent
active
049581325
ABSTRACT:
A CMOS translator which includes an amplifier having an input node and an output node; a first clamp for providing a clamped feedback signal from the output node to the input node of the amplifier; and a second clamp for providing a clamped feedforward signal from the input node to the output of the amplifier. ECL signals are translated up to CMOS voltage levels with high speed, low power consumption via a circuit with requires minimal die area. The unique clamping arrangement provides a self-biasing feature which affords a large error margin.
REFERENCES:
Kennedy et al., "Active Clamp Circuit Uses Only Two Transistors", Electronic Design, 24, Nov. 22, 1969, p. 92.
Grebene, "Bipolar and MOS Analog Integrated Circuit Design", A Wiley-Interscience Publication, 1984, Section 6.4, pp. 290-294.
Gregorian et al., "Analog MOS Integrated Circuits for Signal Processing", A Wiley-Interscience Publication, 1986, p. 398.
Advanced Micro Devices , Inc.
Benman, Jr. William J.
Mullins James B.
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