current feedback amplifier (CFA)

As can be seen from the name Current Feedback Amplifier (CFA), a Current Feedback Operational Amplifier( CF- OpAmp) feeds current back from the lowest possible impedance amplifier output to an inverted low impedance amplifier input. The advantages of this feedback technique are the high bandwidth and a gain that is relatively constant over the bandwidth.

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Englisch:	current feedback amplifier - CFA
Updated at:	31.03.2008
#Words:	53
Links:	arsenic (As), name, collaborative filtering (CF), operational amplifier (OpAmp), current
Translations:	DE
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