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2025-01-13 14:27:20 +01:00
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# Tetris - Hardware and Software
![](/static/IMG_4936.jpg)
![](/IMG_4936.jpg)
Update Amplifier (separate input circuitry per PSG, it appears, that a silent PSG has a DC level on its output which is summarized to the AC output of the working PSG, so two input circuits with individual couping capacitor):