Output input can be balanced equilibrium Repeater

Posted on Mar 28, 2007

As shown, the upper and lower symmetric configuration two basic differential amplifier, differential input + IN and -IN are respectively connected cares balanced input. Because

Output input can be balanced equilibrium Repeater
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the output signal components bowed fJ is inverted, so reverse the input side, the output phase-coherent.. Although the total required eight resistors, but all the same resistor, the resistance in order to best use complex sets of eight resistors of at low frequencies. Resistance values take lOk ~ lOOkQ more appropriate. j video frequencies, as it must be reduced. Circuit impedance.. This resistance is desirable elbow IK ~ SK moth butterfly while mountain in bad characteristic rrLua2 J shall be elected for tax enlarged scale clamor use of the band.

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