Reference voltage source
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United States of America Patent
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-
Jun 9, 1987
Grant Date -
N/A
app pub date -
Jan 14, 1986
filing date -
Jan 17, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention relates to a reference voltage source in CMOS technology. The reference voltage source is based on the use of two compatible bipolar transistors (T1) and (T2) working at different current densities. A transresistance amplifier (1) connected as a negative feedback between the collectors and bases of (T1) and (T2) delivers the reference voltage (V.sub.ref). A conductor block (4) allows sufficient current to be drawn through the resistors (2) and (3) to render neglible the base current of (T1).
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