ADI ADPA110745.0 dBm (35 W) 4.8 -6.0 GHz GaN功率放大方案

ADI公司的ADPA1107是在4.8 -6.0 GHz频段提供45.0 dBm功率(35 W)的宽带氮化镓(GaN)功率放大器,典型的附加功率效率(PAE)为56.5%(PIN=27.0dBm).5.4 GHz到6.0 GHz的增益平坦度为±0.5 dB.4.8 GHz到 5.4 GHz的小信号增益典型为30.5dB,频率范围为4.8 GHz到 5.4 GHz.VDD为28V(IDQ = 350 mA,10%占空比).输入回波损耗为16.0dB,输出回波损耗为13.5dB.40引脚6 mm × 6 mm LFCSP封装.主要用在气象雷达,军用雷达和船用雷达.本文介绍了ADPA1107主要特性,功能框图和电指标, 基本连接图以及评估板ADPA1107-EVALZ主要特性,电路图,建立框图,材料清单和PCB设计图.

The ADPA1107 is a gallium nitride (GaN), broadband power amplifier, delivering 45.0 dBm (35 W) with 56.5% typical power added efficiency (PAE) across a bandwidth of 4.8 GHz to 6.0 GHz. The ADPA1107 provides ±0.5 dB gain flatness from 5.4 GHz to 6.0 GHz.

The ADPA1107 is ideal for pulsed applications such as radar, public mobile radio, and general-purpose amplification.

The ADPA1107 is housed in a 40-lead, 6 mm × 6 mm, lead frame chip scale package (LFCSP).

ADPA1107主要特性:

POUT with PIN = 27.0 dBm: 45.0 dBm typical at 5.4 GHz to 6.0 GHz

Small signal gain: 30.5 dB typical at 4.8 GHz to 5.4 GHz

Frequency range: 4.8 GHz to 6.0 GHz

PAE with PIN = 27.0 dBm: 56.5% typical at 5.4 GHz to 6.0 GHz

VDD: 28 V at IDQ = 350 mA with a 10% duty cycle

40-lead, 6 mm × 6 mm, LFCSP

ADPA1107应用:

Weather radars

Marine radars

Military radars

图1.ADPA1107功能框图

ADPA1107电指标:

Base temperature (TBASE) = 25C, supply voltage (VDD) = 28 V, quiescent current (IDQ) = 350 mA, pulse width = 100 μs, 10% duty cycle, and frequency range = 4.8 GHz to 5.4 GHz, unless otherwise noted.

图2.ADPA1107基本连接图

评估板ADPA1107-EVALZ

 Evaluating the ADPA1107 45 dBm (35 W), GaN Power Amplifier, 4.8 GHz to 6.0 GHz

 The ADPA1107-EVALZ consists of a 2-lay...