Ion generator (CB7837E)

This negative ion generator was found in a 90s Popular Electronics. The autotransformer can be an automobile ignition coil.

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Peak sensor (CB21506E)
This peak sensing and hold circuit was found in an old documentation. The circuit makes use of...
Converter for symmetrical source (CB24307E)
This circuit converts the voltage from a simple source into a symmetrical voltage. The circuit is from a...
30 V x 15 A Power Supply (CB17129E)
This source is indicated for the supply of power amplifiers. The circuit is from 1999...