LTE Base Station MMIC Amplifier

Mini-Circuits PHA-1+ ultra high dynamic range MMIC amplifier is designed specifically for applications which require extremely linear performance, particularly wideband, advanced digital communications systems such as LTE which require excellent ACLR suppression and low EVM.

The E-PHEMT based PHA-1+ provides typically +42 dBm OIP3 which translates to extremely linear performance in multi-carrier and complex signal environments such as LTE supporting ACLR_1 measurements of better than -60 dBc at +10 dBm output and -26 dBc at +20dBm (near the 1 dB compression point).

The PHA-1+ is characterized using a high peak-toaverage ratio OFDM signal used for next generation LTE within the AWS-1 downlink band.

Figure 1: PHA-1+ test board.

DUT Configuration:
Device:PHA-1+ test board.
Supply Voltage:5.0V, 150 mA.
Temperature: 25℃.
Note: All data is referenced to the test board connectors.

Test Signal:
AWS_1 downlink.
Fc = 2130 MHz.
OFDM, 10 MHz channel width.

Measurement Setup

Summary Data

ACLR_1 Plots vs. Output Power

EVM Constellation Plots vs. Output Power

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