Audio decibel level detector with meter driver
使用 NXP Semiconductors 的 SA604A 的参考设计
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依据最终产品
- Cellular Phone
- Instrumentation and Measurement
说明
- 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