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DIP meter circuit

DIP meter is used to test the circuit oscillation frequency. Figure shows the actual Dip Meter circuit. As the oscillator circuit using FET 2SK55, grounding the gate and joined between the amplitude of the diode as a limit, the oscillation frequency changes, the oscillation can maintain a certain level. Diode to use Shottky diode 1SS 99. Oscillator output is added to the FET's are used to adjust the voltage, the oscillation to adjust the control voltage VR1. Dip point for the detector (point sink) with the oscillation voltage change is very removed from the suction rather than by the gate signal is removed. After lSS99 do suck most times the signal voltage detector, and then amplified using 2SK55 DC do to improve DipMeter sensitivity.

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DIP meter circuit