We can control the gain of this operational in the range of 1 to 1000 by the voltage applied to the FET. The FET can be BF245 or MPF102 and we can use other operational ones. The power supply must be dual.
We can control the gain of this operational in the range of 1 to 1000 by the voltage applied to the FET. The FET can be BF245 or MPF102 and we can use other operational ones. The power supply must be dual.