Beacon with PUTs (CB9788E)

This circuit was found in old documentation, appearing in several ways in this section. PUTs are not currently common components.

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One second with Accuracy (CB1536E )
This circuit was found in a 1977 Radio Shack documentation. Its purpose is to generate 1 Hz...
Automatic light (CB24332E)
This circuit activates a relay that has a lamp as a load. The circuit is from a Radio Electronics from...
High-pass active filter (CB20934E)
This circuit is from National Semiconductor documentation. The operational amplifier is of the...