Opamp Function Generator (Kit)
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Description: Good value-for money & simple circuit to generate square, (pseudo) sine and triangle waveforms in the audio range. Uses quad opamp LM348. You do not need a lot of money to have access to square, triangle or sine waves in the audio range. This simple kit uses four operational amplifiers (opamps) to deliver these waveforms in the 6 Hz to 7000 Hz range. The sine wave is a pseudo sine wave produced by a very simple wave shaping circuit.