Panic button (CB7077E)

Found in a 1968 Motorola publication, this circuit generates a high-powered audio tone when triggered. Equivalent transistors can be used.

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Symmetric Power Supply (CB16761E)
This power supply was originally created for the CB16760E (Loudness System) but can be used in any...
Unidirectional motion sensor (CB7281E)
Found in 1980s Electronic Engineering, this circuit uses common phototransistors as sensors. The...
Simple Symmetrical 6 V Power Supply (CB20207E)
This simple, unregulated power supply with an approximate 6 V output voltage can supply currents up to...