Even Number Divider (CB6532E)

This circuit of an EDN divides the input pulse frequency by even values. The circuit is TTL and can be used as a shield for microcontrollers.

| Clique na imagem para ampliar |

Q Multiplier (CIR916E)
Factor Q measures the selectivirty of a resonant circuit and also receivers. This circuits cen...
Brake and direction indicator (CB7118E)
This circuit was suggested by Popular Electronics from the 90s. The circuit is quite simple using...
164 V neon regulated power supply (CB8666E)
Found in a 1969 neon lamp publication, this circuit provides two voltages under very-low currents....