Microphone or Electric Guitar Pre-Amplifier with Noise Gate and Compression

In personal electronics and computer audio system, the SSM2167 is a complete and flexible solution for conditioning microphone inputs. It is also very good for improving vocal clarity in communications and public address systems. Although it is not mentioned to be applied for electric guitar in the datasheet, the frequency response of this signal processor shows that it can be […]

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Self Powered Compressor

The most unique feature of this dynamic compressor circuit is that it needs no power supply, looks likeĀ  as passive connector or adapter cables. The attenuation is good enough, about 20dB, works forĀ  input range of 100mV to 10V signal level. Here is the schematic diagram of the circuit: The circuit consist of a power rectifier and attenuator. Some portion […]

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