This circuit was found in a 1969 Mullard documentation. Used transistors can be replaced with modern equivalents. Output transistors may be BD135 and 136 with heatsinks.
This is an application circuit of the Texas Instruments (2019) component datasheet itself. The...
This conventional 12 V power supply stabilized with 2 A current was found in a 1995 documentation. Its...
This simple oscillator with two general-purpose transistors has its frequency given by capacitor...