Current mirror amplifier

Details Current mirror amplifier Current mirror amplifier

H - Electricity

03

F

330/41

H03F 3/16 (2006.01) G05F 3/26 (2006.01) H03F 3/345 (2006.01)

Patent

CA 1078470

A B S T R A C T Unity current gain impedance transformation at the input of a field effect transistor current mirror circuit reduces the input impedance and renders it independent of the mirror ratio. A net saving of semiconductor material may be obtained for a given mirror ratio and input impedance when the transformation is provided by a common gate connected complementary field effect transistor meeting certain effective threshold voltage and forward transfer conductance ratio requirements. -22-

261312

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