Audio decibel level detector with meter driver
NXP Semiconductors이 부품 SA604A 을 사용하는 참조 설계
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최종 제품의 경우
- Cellular Phone
- Instrumentation and Measurement
Description
- Audio decibel level detector with meter driver. The SA604A can provide a logarithmic response proportional to the input signal level over an 80 dB range up to a 15 MHz operating frequency