This untuned (aperiodic) amplifier circuit was found in the August 1974 Radio Electronics magazine. The transistors are period, and the board layout is critical.
The operational amplifier using this 80's circuit is a double 741 of the time. The circuit may be...
This circuit is from the Linear Applications Handbook from National Semiconductor, providing an...
In the figure we have the way to increase the current capacity of an operational amplifier. The...