Suggested by National Semiconductor in documentation from the 90s, this circuit makes use of an operational of the time. The configuration can be applied to modern equivalent components
The voltage gain of this DC amplifier is 100 times, given by the relationship between R2 and R1....
Originally this circuit was indicated for a system of rocket fire by remote control using an FM...
This circuit is intended for the use as modulated light signals from digital sources. The circuit...