1.8kHz signal generator circuit

Circuit shown in Figure select the best working conditions and a reasonable allocation of the temperature coefficient of resonant circuit components. Both ends of the resonance

exchange regulator also adopted measures to obtain excellent output amplitude and frequency stability. Temperature + 25 20. Even if the power supply voltage variations within the range of -40% change in -24V, frequency f 2Hz, output level dB 0.26dB.

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