Ultra clean sine wave oscillator. Distortions at -96 dB
Автор: Vadim B.
Загружено: 2023-11-23
Просмотров: 108
Описание:
Classical Wien Bridge and luckily well build
4 transistor circuit + NJM4558 buffer
Power supply rails +15 and - 15V
Two matched 51 nF polystyrene capacitors
1 magical incadecent lamp
At startup shows 0.1 % THD, after 50 minutes shows 0.0017 % THD.
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Visual Analyser software was used for calibration and measurement
https://www.sillanumsoft.org/
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Adobe Audition was used for audio spectrum visualisation
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Sound card - onboard Realtek
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