This simpe circuit will convert the positive input voltage become negative voltage.Schematic......
3-30 V/2.5 A Adjustable Stabilized Power Supply
This is Simple 3-30 volt adjustable and stabilized power supply circuit. You can......
Universal Pre-Amplifier
Here the universal pre-amplifier schematic diagram for common input device:Download......
2 Way Cross-Over 3500 Hz (bass and treble)
This is 2 way cross-over for your speaker system. This circuit will handle 2 speaker......
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