Synchronized switch (CB8253E)

Synchronized key. This circuit was found in a 1966 General Electric documentation. Modern equivalent components can be used.

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Negative Voltage Generator (CB16629E)
This is another possible version of a negative voltage generator using a 555 integrated circuit. The...
3.5 V x 10 mA Power Supply (CB13353E)
This common configuration source with diode bridge and single winding transformer was found in a...
Battery Status Test (CB4581E)
This circuit has appeared on our site several times as a battery status monitor. In this...