Found in a 1980s documentation, this amplifier uses an integrated circuit that is not easy to obtain now as it is of the era. The circuit is intended for FI ceramic filter circuits.
This circuit can use both separate LEDs and a common cathode display when one segment indicates...
We adapt this circuit of Radio Electronics - March 1990. The magazine no more exists, but the...
September 2017 - The new LDOs of STMIcroelectrinics LDLN025 for currents up to 250 mA and 1.5 to...