The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components.
http://www.ram-e-shop.com/ds/ic/ICL8038.pdf
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The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components.
http://www.ram-e-shop.com/ds/ic/ICL8038.pdf