Amplifiers – With semiconductor amplifying device – Including differential amplifier
Patent
1993-04-09
1995-07-11
Mullins, James B.
Amplifiers
With semiconductor amplifying device
Including differential amplifier
330257, 330258, H03F 345
Patent
active
054324769
ABSTRACT:
A differential to single-ended converter includes a voltage-to-current converter that converts differential voltage input signals to differential current signals which differ by a difference current. A current mirror mirrors the first differential current signal. A substantially constant DC voltage level is established. A resistor conducts any difference in current between the mirrored current and the second differential current signal and translates this difference current to a single-ended voltage output signal. An input buffer provides the differential voltage input signals to the voltage-to-current converters.
REFERENCES:
patent: 4219781 (1980-08-01), Naokawa
patent: 4987380 (1991-01-01), Ishikawa
Article entitled "Bipolar and MOS Analog Integrated Circuit Design" Author: Alan B. Grebene Publisher: John Wiley & Sons, Inc.--1984.
Mullins James B.
National Semiconductor Corporation
Pitruzzella Vincenzo D.
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