Applications

 FDD and TDD 2G/3G/4G LTE systems

 3GPP band 5, 18, 19, 26, and 27 small cell base stations

 Driver amplifier for micro base stations and macro base stations

 Active antenna array and massive MIMO

Features

 High efficiency: PAE = 36% @ +28 dBm

 High linearity: +28 dBm with < -50 dBc linearized ACLR

(20 MHz LTE, 8.5 dB PAR signal)

 High gain: 34 dB

 Excellent input and output return loss: to 50  system

 Integrated active bias: performance compensated over temp

 Integrated enable ON / OFF function: PAEN = 1.7 to 2.5 V

 Single supply voltage: 5.0 V

 Pin-to-pin compatible PA family supporting all 3GPP bands

 Compact (16-pin, 5  5  1.3 mm) package

(MSL3, 260 C per JEDEC J-STD-020)

Description

The SKY66295-21 is a high-efficiency fully input / output matched

power amplifier (PA) with high gain and linearity. The compact

5  5 mm PA is designed for FDD and TDD 2G/3G/4G LTE small

cell base stations operating from 800 to 900 MHz. The active

biasing circuitry is integrated to compensate PA performance over

temperature, voltage, and process variation.

The SKY66295-21 is part of high efficiency, pin-to-pin compatible

PA family supporting all 3GPP bands.

A block diagram of the SKY66295-21 is shown in Figure 1. The

device package and pinout for the 16-pin device are shown in

Figure 2. Table 1 lists the pin-to-pin compatible parts in the PA

family. Signal pin assignments and functional pin descriptions are

described in Table 2.