Zero trigger thyristor temperature control circuit 4
Source: InternetPublisher:张七岁 Keywords: Thyristor trigger temperature control circuit BSP Updated: 2020/03/10
It uses yPC1701C integrated circuit (zero voltage control switch). The temperature measuring element is
a thermistor Rt with negative temperature coefficient.
The characteristic of the yPC1701C (A) circuit is that it can generate DC voltage by itself, and
cooperates with the external resistor R4, diode VD and capacitor C to form a DC voltage between pins 8 and 5 for use by the chip.
RPz is the sampling resistor, adjustable to 120kCI. Adjust the potentiometer RPi to change the temperature set value.
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