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Using twisted pair to transmit temperature signal (low power programmable integrated temperature controller TMP01)

Published:2011/9/8 9:17:00 Author:Felicity | Keyword: twisted pair, temperature signal, low power, programmable integrated temperature controller | From:SeekIC



Using twisted pair to transmit temperature signal (low power programmable integrated temperature controller TMP01)
Using twisted pair to transmit temperature signal (low power programmable integrated temperature controller TMP01)
Using twisted pair to transmit temperature signal (low power programmable integrated temperature controller TMP01)
The output signal output by Pin 5 of TMP01 is analog voltage which can be easily disturbed during transmission in industrial sites. Then twisted pair can be adopted as shown in the figure. Firstly using OP297 split Uo into two-way signal and then transmitted through twisted pair and finally received and restored by AMP03. The differential amplifier composed by AMP03 can reduce the noise voltage as 95dB besides amplify the temperature signal. After restoration the lossless voltage signal Uo can be achieved.



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