This 9 V battery eliminator was found in Radio Electronics magazine from June 1966. The transistor is of medium power and must be equipped with a small heat sink.
We found this circuit in an American documentation from the 50's. The transistor is made of...
The Buck-type DC-DC converter (voltage lowerer) shown in figure 1 is suggested by Analog Devices...
Found in the November 1999 issue of Electronics Now magazine, this circuit generates a 6.67 Hz...