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TUNNEL_DIODE_TEST_ATTACHMENT_FOR_CURVE_TRACER

2014-11-12 21:53  
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TUNNEL_DIODE_TEST_ATTACHMENT_FOR_CURVE_TRACER
Adapter switches sweep voltages of curve tracer on and off at re duced duty cycle to prevent overheating of tunnel diode while determining its series resistance. Increasing R1 gives lower duty cycle, because R1-R2 control frequency of inductively coupled series-resonance feed-back oscillator Q1.-L. M. Zappulla, Low Duty Cycle Tunnel-Diode Tester, Electronics, 35:4, p 47.