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NJU7507A - BAND PASS FILTER

Description

The NJU7507A 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.

Features

  • BPF for the audio spectrum analyzer display of the 7 bands 14 bands extension is available by the cascade connection BPF using the switched capacitor filter technology CR oscillation circuit on chip (External clock input is available) Power-on initialization circuit on chip (External reset input is available) C-MOS Technology Package Outline DIP8, DMP8 PIN.

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Full PDF Text Transcription

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NJU7507A BAND PASS FILTER FOR AUDIO SPECTRUM ANALYZER DISPLAY GENERAL DESCRIPTION The NJU7507A 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 technology operates at the shared time by 7 bands which filter constant is switched by the internal clock. Therefore, the audio signal shared of 7 bands is output from a serial output terminal. The 14 bands version using the double by the cascade connection is prepared.
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