12V Electronic Auto-Control Fishing Device Principle Circuit

Published:2011/6/14 23:18:00 Author:Robert | Keyword: 12V, Electronic, Auto-Control, Fishing, Principle | From:SeekIC

This device uses self-oscillation method. The transistor BG1-4, BG5-8 and T1, T2, D1 and R1 make up a high-frequency self-oscillation device. The T1's secondary output signals are high-frequency high-voltage pulses and then these pulses would be changed to DC high voltage by the doubler rectifier circuit which is made up by D1, D2, C1 and C2. And then it would input to the back stage. The back stage uses the SCR output circuit. It is a low-frequency oscillator circuit made by capacitor C6, SCR Q1, bidirectional trigger diode D5 and coil T3. This circuit would change the DC high-voltage signals to low-frequency pulses mode for output. The JP4 in the picture can be connected to a potentiometer to adjust back stage's discharge frequency. The JP5 can be connected to the high-voltage and low-voltage switch.



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