AM Modulator (CB20772E)

This circuit was obtained in a Motorola manual from the 70s. The integrated circuit is from that time.

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VHF TV Signal Generator (CB511)
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The circuit presented is from a 1969 Radiorama magazine (Italy), and can be designed with more...
Triac Power Switch (CB25074E)
The maximum power of the controlled load depends on the triac used. The circuit is from a Radio...