High-speed current driver composed of two wideband transconductance op amp and buffer OPA660

Published:2012/8/15 0:54:00 Author:Ecco | Keyword: High-speed, current, driver , wideband transconductance, op amp, buffer | From:SeekIC

The circuit uses two OPA660 connected in parallel to increase the output current. The transistors Q1, Q2form image constant current source circuit, which are used asthe collector load of two parallel OPA660. Q1, Q2 are selected 2N3906.



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