The electric adjuster circuit of temperature control fans

Published:2011/6/4 2:38:00 Author:qqtang | Keyword: electric adjuster, temperature control | From:SeekIC

The working principle of the circuit This adjuster circuit consists of voltage-steady circuit, multi-resonate oscillator and control executing circuit, see as Figure 1. In the circuit, the voltage-steady circuit consists of resistor R4, filtering capacitor C3 and voltage-steady diode VS; the oscillator consists of time-based integrated circuit IC, resistor R1-R3, capacitor C1 and C2 and thermistor RT; the control executing circuit consists of resistor R5, thyristor VT and fan motor M. When the power is on, the multi-oscillator is starting to work.



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