A 100MHz CMOS wideband IF amplifier

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When the data rates of communication systems increase, wideband IF amplifiers are needed. It is also possible to use a single wideband intermediate frequency (IF) amplifier for a radio band with several narrow-band channels of varying strengths. The linearity is then critical, if intermodulation products are not to disturb weak channels. We try to find a topology for this new amplifier application, suitable for integration in a standard CMOS process. To get low distortion, we use an output stage with high linearity, which is further linearized by feedback in a double-nested Miller configuration. A 0.8-μm standard CMOS IF amplifier design with low distortion up to 20 MHz is presented.
Sidor (från-till)631-634
TidskriftIEEE Journal of Solid-State Circuits
StatusPublished - 1998

Ämnesklassifikation (UKÄ)

  • Elektroteknik och elektronik


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