RF2157 amplifier equivalent, pcs cdma/tdma 3v power amplifier.
a digital mode switch which can be used to minimize operating current under low output.
* 3V 1850-1910MHz CDMA PCS Handsets
* 3V 1750-1780MHz CDMA PCS Handsets
* 3V TDMA PCS Handsets
* Spread.
The RF2157 is a high-power, high-efficiency linear amplifier IC targeting 3V handheld systems. The device is manufactured on an advanced Gallium Arsenide Heterojunction Bipolar Transistor (HBT) process, and has been designed for use as the final RF a.
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