12W Amplifier (T493E)

This amplifier for playback of recordings was found in a 1947 manual. It uses a push-pull output with a tube power supply.

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LM377 Stereo Amplifier (CB25938E)
The figure shows an application of the LM377 in a small inverting stereo amplifier with output...
Hybrid trigger with tunnel diode (CB6817E)
This circuit was found in a 1967 General Electric documentation. The circuit generates signals...
LT3518 2.3 A Boost Converter (CB12551E)
In the figure we have another application for the LT3518 integrated circuit from Linear Technology...