Obtained from the 1976 Siemens integrated circuits manual, this audio amplifier has thermal shutdown. The power supply is 12 V, as the indicated use is in the car.
P1 on this Radio Shack circuit is a 6 V lamp with current up to 500 mA depending on Q2. The...
This simple touch alarm, found in a 1995 documentation, uses common components and a triac to...
With the micro voltage regulator shown in the figure, we can design a power supply for small...