Synchronized switch (CB8253E)

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

| Clique na imagem para ampliar |

CMOS or TTL Time Base (CB18259E)
This circuit provides a 60 Hz or 50 Hz precision clock or time base, depending on the network. It serves...
Twin-T Oscillator 741 (CB14909E)
With the values of the indicated components, this oscillator produces a sinusoidal signal of 1...
Astable Neon (CB10504E)
I found this circuit in a Popular Electronics from November 1999. The magazine is no longer...