800Hz Signal Generator Circuit

Published:2011/7/20 23:42:00 Author:Joyce | Keyword: 800Hz , Signal Generator | From:SeekIC

The oscillation stage of this 800 Hz signal generator is a transformer coupling LC oscillating circuit, which is simple and has a stable frequency. Control amplifier is used as buffer amplifier to reduce distortion, and potentiometer can be used to adjust the output level. 1. The technical index (1)operating frequency : 800 Hz ; (2) frequency stability:≤士 20 Hz ; (3) output level: 0 dB / 600 Ω. 2. Working principle is as shown in the figure. The 800 Hz signal generator is composed of LC oscillation stage and buffer amplifier stage. Oscillation stage: The tuned transformer T1 is used as LC oscillation tank circuit and output transformer, and C2 is a tuned capacitor.



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