Model control speed (CB20791E)

Found in old documentation, this circuit uses an SCR like the TIC106 that must be equipped with a heat sink. The motor can be up to 3A.

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Monostable 7555 I (CB18970E)
In the figure we have the way to trigger a 7555 CMOS monostable with a positive pulse. The time...
Asymmetrical Astable (CB6463E)
This circuit is from a 1968 documentation. It generates a non-symmetrical signal with the waveform...
LM311 Oscillator (CB5131E)
This circuit is from the manual of the used operational amplifier itself. The same setting can be...