The warm air sensor circuit composed of LM334

Published:2011/7/17 22:24:00 Author:Borg | Keyword: warm air, sensor | From:SeekIC

In the figure is the warm air sensor circuit composed of LM334. LM334(2) is used to test the warm air temperature (Ts); LM334(1) is used to the outside temperature (TA). LM334 sensor is to converter the 1K thermodynamics temperature into the 214μV voltage, so if the voltage difference of (Us-UA) is tested, the temperature difference of (Ts-TA) can be got. The voltage U1 and UA can be got by the circuit composed of RP1, R3 and VT1, and US=UA+Ul, therefore, TS=TA+TI (i.e Ul/2l4μV). (Ts-TA) is set by RP1.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Basic_Circuit/The_warm_air_sensor_circuit_composed_of_LM334.html

Print this Page | Comments | Reading(3)