Wednesday, July 4, 2012

High Quality Head Pre-Amp

This routine reveals a dc-coupled, two-head music preamp using an LM1897. The routine features are: a GBW of 76 dB at 20 kHz, an S/N rate of 62 dB (CCIR/ARM), frame distortions 0.03% at 1kHz, power-supply denial higher than 95 dB, route separating of60 dB, and a common turn-on wait of 0.4 s.

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