Uploaded November 2015 | Updated September 2026, 5 hours ago

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In this video i take apart one of the Grass Instruments Polygraph DC Driver Amplifiers and Polygraph Integrators.

Link to Burr Brown Module images:
eevblog.com/forum/other-blog-specific/huge-polygraph-lie-detector-machine-teardown/msg813827/#msg813827

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