The transistors in this circuit can be the BC548 and it also functions as a logic function. The supply voltage depends on the circuit to be excited.
This preamplifier is recommended by Sanyo and is based on its LA3160 integrated circuit. The...
This very low current negative bias source can be used in any inverter. The output voltage is...
This non-inverting AC amplifier was found in the February 1990 issue of Radio Electronics...