Ainslie Circuit: Oscillation That Never Settles at Zero

1,336 views · Published 10 August 2009 · 3:25 · Indexed 23 September 2026

Channel: Aaron Murakami · 2009 · Science & Technology

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With the load battery disconnected the timer alone runs at 27.6 percent duty cycle and 1.347 kilohertz. Reconnecting the battery, the timing signal immediately shows the oscillation riding on it. Moving the probe directly across the shunt gives roughly 60 kilohertz at about 75 percent duty and around 250 to 260 millivolts, and across the load about 63.45 kilohertz. The point made throughout is that the trace never settles at zero even where it appears to, which becomes visible as soon as the vertical scale is increased. Ambient reads 23.8 C against a load at 55.8 C.

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Rosemary Ainslie COP 17 circuit, 2009 bench footage. Posted 2009-08-10.

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