NJU7505 filter equivalent, band pass filter.
" BPF for the audio spectrum analyzer display of the 5 bands " 10 bands extension is available by the cascade connection (Version of A: For 5-band application by the sing.
The NJU7505 is a band pass filter for audio spectrum analyzer display. It consists of high and low band pass filters, CR oscillation circuit, control circuit and DC transfer circuit. Each band pass filter using the switched capacitor filter technolog.
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