Avago Technologies recently announced the launch of a high gain, high linearity power amplifier, for 700-800 MHz mobile infrastructure equipment to provide high data rate applications. This new high linear amplifier for MGA-43128 LTE AP, CPE and Picocell equipment to provide excellent signal transmission quality and low power consumption, but also can be used as a base station driver amplifier.
MGA-43128 in the design to high data rate transmission while providing excellent signal quality, it has low distortion and high power added efficiency ( PAE ) characteristics, helps to reduce the power consumption. RF input match exactly, output includes built-in a matching circuit, can make the matching and application of simplified. The device is equipped with a built-in bypass switch control attenuator, and can provide up to 18 dB attenuation, but also with the temperature compensated power detector.
The latest MGA-43128 device using a proprietary Avago 0.25 µ m GaAs enhancement patterns of pHEMT technology to achieve the linear output power, can be a single 5V power supply, can reach 3.3V. 700MHz MGA-43128 following the prior to the release of the MGA-43228 and the MGA-43328 power amplifier (respectively, 2300-2500 MHz and 2500-2700 MHz ), has become the Avago 29 dBm linear power amplifier in a new member of the family. In the series of all devices have generic package structure, further simplifying the design.
MGA-43128 with 5 x 5 x 0.85 mm miniature surface mount 28 lead QFN package, available at -40° C to +85 °C between the temperature range for operation. The QFN package using lead-free and halogen-free materials, moisture sensitivity of MSL-2a standard, so the bag and landing on the ground around the life of up to.
Other MGA-43128 product characteristics
•high gain, 33.4 dB
•high linear performance, 2.5% error vector magnitude ( EVM ) linear power output is 29.1 dBm
• 750: MHz efficient linear power output at PAE 22%
• can switch control gain of function: the use of a CMOS compatible single switch pin can achieve 18 dB attenuation
•with output power of 29 dBm 3GPP spectral mask standard
•power shutdown shutdown current <50 uA
•built-in output power detector
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