The circuit shown has a voltage gain of 500 times and can use equivalent FETs like the BF245. The circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook.
The voltage-gain for this amplifier is 10. Other operational amplifiers can be use and the Power...
In the figure we have a circuit for line receiver (twisted pair) with the possibility of...
This circuit is from the Motorola Linear Databook of 1990. The values of the components depend on the...