Preamplifier circuit of 1m laser metroscope fringe counter

Published:2011/12/1 20:25:00 Author:May | Keyword: Preamplifier, 1m laser metroscope, fringe counter | From:SeekIC

The amplification factor of the circuit shown in diagram (a) isis 200, and itsbandwidth is 0~100kHz. And it isused forpreamplification of 1m laser metroscope interference fringe counter. The circuit shown in diagram (b) is used for preamplication of grating moire fringe subdivision circuit. Its magnification times is 50. Its bandwidth is 0~200kHz. Phase separation of two electric eye outcoming signal is 180° and is amplified by 5G922.



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