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Single-Ended Amplification
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An amplifier stage in which a single transistor provides the amplification.
Since there is no input coupler to add loss, the noise figure of a
single-ended stage may be lower than that of a balanced stage.
Minimum-loss interstage coupling also means that a single-ended
amplifier stage will generally produce a somewhat higher gain than the
equivalent balanced stage.
Single-ended gain blocks using lossy feedback can also be used to
provide gain with lower DC power consumption and reduced size.
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