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CIRCUIT USING RESISTANCE SET BY METAL HIKING.
CIRCUIT USING RESISTANCE SET BY METAL HIKING.
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机译:电路使用金属远足设定的电阻。
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摘要
An operational amplifier of the type which includes first and second differentially coupled input transistors which cooperate with a current mirror circuit also includes a first and second RTMM resistors which may be individually trimmed to reduce input offset voltage. Each RTMM resistor is coupled from the power supply rail through first and second diodes respectively to the first and second input terminals. In this manner, signals appearing on the input terminals which exceed the rail voltage will cause currents to flow through the RTMM resistors thus reducing their resistance, and reducing offset voltage.
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