Sensitive Crowbar (CB5887E)

This circuit is from an 80's documentation, firing when the input voltage exceeds 5 V. The SCR can be the TIC106 need not have a heatsink.

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Zero crossing detector (CB3887E)
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FM Generator (CB6996E)
We found this circuit in a 90s Radio Electronics. The circuit generates frequency-modulated 220 kHz signals. The...
Regulador Ajustable de Corriente (CB1484S)
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