Thermostat (CB6008E)

This circuit controls a heating element using a triac. Triac must be fitted with a heat sink. We find it in an American documentation from the 80s.

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CMOS siren with PLL 4046 II (CB19086E)
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
VHF marker (CB4193E)
Using 18 or 24 MHz crystals, this circuit is intended for producing reference signals with...
Sampling and Holding 2 (CB15889E)
The sampling and retention circuit shown in the figure uses the LM108. In this circuit we have two MOS...