a beat generator
A generator and waveform generator technology, applied in the field of physics teaching aids, can solve problems such as unintuitive observation frequency, fixed natural frequency of tuning fork, difficulty in transportation and storage, etc., to achieve convenient transportation and storage, meet teaching requirements, and reasonable structure Effect
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[0007] Describe embodiment in detail in conjunction with accompanying drawing,
[0008] A beat generator, which includes a resistor and a capacitor. The present invention is composed of two waveform generators. The structure of each waveform generator is: resistor R1 is connected in parallel with capacitor C1, one end of which is grounded, and the other end is connected in parallel with capacitor C2. At the same time, it is connected to the non-inverting input terminal of the operational amplifier, the capacitor C2 is connected in series with the adjustable resistor RP1, the adjustable resistor RP1 is connected in series with the adjustable resistor RP2, and the adjustable resistor RP1 is connected to the output terminal of the operational amplifier, and the adjustable resistor RP2 is connected to the resistor R2 One end is connected in series, the other end of the resistor R2 is grounded, the non-grounded end of the resistor R2 is connected to the inverting input of the operat...
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