Signal processing circuit for 2-D PSD
C9069 (for pin-cushion type two-dimensional PSD) is DC signal processing circuits specifically designed for position measurement using PSD. Digital output allows direct connection with a personal computer through a serial (RS-232C) interface. C9069 is capable of detecting accurate positions of a spot light regardless of light intensity. A D/A conversion signal is also output for monitoring, and when a voltmeter is connected to this D/A conversion output, the output voltage value directly represents position data. (Output voltage represents the distance from the center of PSD. 1 V=1 mm)
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