We found this circuit in the March 1992 Radio Electronics magazine. The circuit provides 100 Hz for each degree Celsius or Fahrenheit.
This unit is ideal for powering car radios, tape players or car CD and DVD players from the power...
This circuit was found in Ferranti's 1974 transistor manual. Transistors are general purpose types...
With a 120 ohms resistor this circuit can also be used as a shield for 3.3 V output voltages. The...