This inverter is critical for transformers and can use modern equivalent transistors like MJ2955 on the output. The circuit provides a 115 V sinusoidal voltage with 12 V input.
This amplifier, found in a 1980s documentation, should be powered by a symmetrical source. Modern...
This is a voltmeter with high input resistance. The transistor is germanium. We found it in an...
Up to some minutes intervals can be obtained from this circuit. The circuit can use a lamp (or...