This small regulator with transistors can supply 75 mA currents for charging NiCad rechargeable batteries. The circuit is from the 90s, using components from that time.
The purpose of this circuit is to improve a trigger circuit using a zener diode. The circuit was...
The Exclusive-NOR function can be achieved simply by adding one more NAND gate as an inverter to...
This simple Philips circuit from the 1960s can use any general-purpose transistor. The signal is...