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Gregory HODOWANEC
Rhysmonic Cosmology
Optically-Coupled GW Detector (Simplest)
Circuit #42(10-31-1985)
Notes:
(1) SW1 is sub-mini SPST toggle switch (on-off)
(2) Level control (2k) is mini pot (linear).
(3) Circuit is basic QND type.
(4) Increased l/f noise level noticed, but QND signals are closer.