Full wave dimmer (CB7208E)

Found in Motorola's 1965 manual, this full-wave dimmer controls a load that depends on the used SCR. The trigger element is a neon lamp.

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Fire siren (CB21232E)
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High Pass Filter (CB13075E)
The filter shown in the figure, suggested by National Semiconductor, only allows frequencies above...
Unregulated power supply (CB22341E)
This full wave source uses germanium diodes, and its current is a few milliamps. We found it in an...