Ultrasonic Equipment circuit using IC CA3140, NE555
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50W Audio Amplifier Circuit using STK0050 II
50W Audio Amplifier Circuit using STK0050 II
On off Switch Control
On off Switch Control circuit using CD4027 On off Switch Control circuit using CD4027
Variable PC power supply Circuits
Variable PC Power Supply Circuits variable variable Power Supply Circuits Many alternatives abound where a HeNe laser power supply must be constructed from scratch. Decisions must be made based on the size or range of sizes of the HeNe tube(s) to be powered, convenience, need for portability (well in a relative sort of way), availability […]
PA Phone Circuit
PA Phone Circuit Diagram with CX77313 Sony Ericsson K700
