The circuit selected is from the 1960 Mullard transistor reference manual. The circuit is powered by a single 1.3 V battery and the transistors are germanium.
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...