Parallel_data_acquisition_with_sample_hold

Published:2009/7/23 20:38:00 Author:Jessie | From:SeekIC

This circuit uses ADC0808/0809 ICs and LF398 sample/hold ICs to form an 8-channel parallel data-acquisition system. Sample/hold is accessed through an MM74C42 which pulses an MM74C221, generating a sample pulse. After each sample/hold has sampled the signal, the appropriate channel information is processed by the ADC (as described in Fig.6-13).



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