This is the traditional audio preamp configuration with the National Semiconductor LM382. The circuit has good gain and can be used with magnetic pickups or from signals from an auxiliary input.
The purpose of this circuit is only to increase the input resistance of a multimeter, since there...
September 2017 - The new LDOs of STMIcroelectrinics LDLN025 for currents up to 250 mA and 1.5 to...
This circuit was found in the November 1987 Radio Electronics magazine. The trigger voltage is...