Found in a 90s Radio Electrconics, this circuit is an operational one with a power stage using two transistors. The output current can reach several amps.
This low-pass circuit was found in the December 1990 issue of Radio Electronics magazine. The...
Found elsewhere in this section, but from other sources, this circuit is from a 1964 Electronic...
This circuit came out from the Linear Circuits Applications of Texas Instruments, based on the...