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SiGe Semiconductor announces the RangeCharger SE5120 power amplifier for cellular handsets compliant to the WCDMA standard. The SE5120 is a single-band, three-stage power amplifier excellent linearity and efficiency. The power amplifier achieves peak output power of +28 dBm in W in WCDMA operation with linearity of – 38 dBc and power added efficiency exceeding 40%. With integrated biasing and gain control circuitry, as well as on-chip electrostatic discharge and load mismatch protection circuitry, the SE5120 ensures reliable performance under VSWR conditions of 10:1, at all phases and VCC_MAX.

SiGe Semiconductor

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