FIELD: optical-electronic equipment engineering.
SUBSTANCE: device has smoothing circuit and converter of voltage to current to simplify device while keeping precision of thermostatting and time of getting into operation mode. As temperature sensor, the very photo-sensitive element is used, useful signal from which is received by means of smoothing circuit, and converter of voltage to current displaces signal on input of measuring amplifier to zero level. Smoothing circuit is made in form of low frequency filter.
EFFECT: simplified construction of device.
1 cl, 1 dwg
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