ADI ADPA1106 2.7GHz-3.5GHz 40W氮化镓(GaN)功率放大方案

ADI公司的ADPA1106是氮化镓(GaN)宽带功率放大器,提供46dBm(40W)功率,典型功率附加效率(PAE),带宽2.7GHz到3.1GHz. 频率2.7 GHz 到 3.1 GHz和PIN=21dBm输出功率POUT=46dBm,功率增益为25dB,小信号增益为34.5dB. 2.7GHz到3.1GHz和PIN = 21 dBm时的PAE为56%.电源电压VDD=50V, IDQ = 300 mA占空比10%.采用32引脚5 mm × 5 mm LFCSP_CAV封装.主要用在气象雷达,船用雷达和军用雷达.本文介绍了ADPA1106主要特性和电性能指标,基本框图以及46 dBm (40 W), 2.7 GHz -3.5 GHz, GaN功率放大器评估板ADPA1106-EVALZ主要特性,电路图,材料清单和PCB装配图.

The ADPA1106 is a gallium nitride (GaN), broadband power amplifier that delivers 46 dBm (40 W) with 56% typical power added efficiency (PAE) across a bandwidth of 2.7 GHz to 3.1 GHz. The ADPA1106 has a gain flatness of ±0.15 dB across the 2.7 GHz to

3.1 GHz frequency range.

The ADPA1106 is ideal for pulsed applications such as marine, weather, and military radar.

The ADPA1106 comes in a 32-lead, lead frame chip scale package, premolded cavity (LFCSP_CAV) and is specified for operation from −40°C to +85°C.

ADPA1106主要特性:

► Frequency range: 2.7 GHz to 3.5 GHz

► POUT: 46 dBm typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz

► Power gain: 25 dB typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz

► Small signal gain: 34.5 dB typical at 2.7 GHz to 3.1 GHz

► PAE: 56% typical with PIN = 21 dBm at 2.7 GHz to 3.1 GHz

► Supply voltage: VDD = 50 V at IDQ = 300 mA with 10% duty cycle

► 32-lead, 5 mm × 5 mm LFCSP_CAV package

ADPA1106应用:

► Weather radar

► Marine radar

► Military radar

图1. ADPA1106功能框图

图2. ADPA1106基本框图

ADPA1106电性能指标:

图3. ADPA1106基本连接图

图4. ADPA1106推荐检测器减法电路图

46 dBm (40 W), 2.7 GHz -3.5 GHz, GaN功率放大器...