X9470 controller equivalent, rf power amplifier bias controller.
* Programmable Bias Controller IC for Class A and AB LDMOS Power Amplifiers
* Adaptive System on Chip Solution
* Bias Current Calibration to better than ±4%
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Cellular Base Stations (GSM, UMTS, CDMA, EDGE), TDD applications, Pointto-multipoint, and other RF power transmission s.
The Intersil X9470 RF PA Bias Controller contains all of the necessary analog components to sense the PA drain current through an external sense resistor and automatically control the gate bias voltage of an LDMOS PA. The external sense resistor volt.
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