Posted on Nov 7, 2012

Has an input resistance of 1-MO, a bandwidth from de to about 35 MHz, and a gain of 10 times. Lowfrequency gain is provided by a CA3130 BiMOS op amp operated as a single-supply amplifier. High-frequency gain is provided by a 40673 dual-gate MOSFET.

Click here to download the full size of the above Circuit.

The entire amplifier is nulled by shorting the input to ground and adjusting R9 for zero de output voltage.

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