PHONO_PREAMP

Published:2009/7/14 3:51:00 Author:May | From:SeekIC

High input impedance of mos fet will not load ceramic cartridge rep resented by 470K and 470 pf. Q2 as emitter-follower driver transforms low input impedance of Q3 to sufficiently high value forrequired voltage gain at power output of 1 w.-V, Harrap et al.,Researchers Turn to Germanium For a MOS Field. Effect Transistor, Electronics, 37:30, p 64-68.



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