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Mission Cyrus Pre - A DIY Digital Volume Control |
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May 27, 2010 at 02:11 PM |
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Page 3 of 6
Some research in the www immediately pointed me to the project done by Jos van Eijndhoven: The "RelaiXed", a balanced pre-amplifier with a relay based volume control. Six relays allow discrete attenuation levels which are combinations of 1, 2, 4, 8 and 16dB.
The PCB (my first double sided design ever) with the Atmel ATtiny2313:
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Last Updated ( Dec 06, 2011 at 12:01 AM )
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