This circuit amplifies signals from 0.5 Hz to 300 kHz. We found it in an old documentation. Equivalent transistors may be used. The gain is 20 dB.
January 2017 - The new Texas Instruments TLV354x series of operational amplifiers with 200 MHz...
Found in a 90s Radio Electronics, this circuit generates a signal of approximately 150 Hz,...
This circuit was found in Radio Electronics magazine from September 1959. The circuit emits a loud...