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Avago ACPM-7355 HSPA雙頻段功率放大方案

2010-07-06 來源:微波射頻網(wǎng) 字號(hào):
Avago 公司的ACPM-7355是UMTS Band2 和Band5 頻段的雙頻段功率放大器模塊. ACPM-7355采用第5代CoolPAM電路技術(shù),并采用先進(jìn)InGaP HBTMMIC技術(shù)制造. ACPM-7355具有極好的線性,有三種功率控制模式:旁路/中功率模式/大功率模式,RF輸入和輸出內(nèi)部50歐姆匹配阻抗.本文介紹了ACPM-7355主要特性, 方框圖, 在手機(jī)PCB應(yīng)用電路和布局圖以及評(píng)估板電路圖與布局圖.
 
The ACPM-7355 is a dual-band PAM (Power Amplifier Module) designed for UMTS Band2 and Band5. The ACPM-7355 meets stringent UMTS linearity requirements.

The 4mmx5mm form factor 14-pin surface mount package is self contained, incorporating 50ohm input and output matching networks.

The ACPM-7355 features 5th generation of CoolPAM circuit technology which supports 3 modes – bypass, mid and high power modes. The CoolPAM is stage bypass technology which enables power amplifier to lower power consumption. Active bypass feature is added to 5th generation to enhance power added efficiency at low output range and this technology extends talk time of mobiles more by further saving power amplifier’s current consumption.

The power amplifier is manufactured on an advanced InGaP HBT (hetero-junction Bipolar Transistor) MMIC (microwave monolithic integrated circuit) technology offering state-of-the-art reliability, temperature stability and ruggedness.

The Module is housed in a cost effective, small and thin 4x5mm package.

ACPM-7355主要特性:

Dual-Band PA (Band2 and Band5)

Small Size (4x5mm)

Thin Package (0.9mm typ)

Excellent Linearity

3-mode power control

Bypass / Mid Power Mode / High Power Mode High Efficiency at max output power

14-pin surface mounting package

Internal 50ohm matching networks for both RF input and output

Lead-free, RoHS compliant, Green

ACPM-7355應(yīng)用:

UMTS Band2 and Band5

圖1.ACPM-7355方框圖

ACPM-7355主要應(yīng)用:



圖2.ACPM-7355在手機(jī)PCB應(yīng)用電路

圖3.ACPM-7355手機(jī)應(yīng)用布局圖

圖4.ACPM-7355評(píng)估板電路圖


圖5.ACPM-7355評(píng)估板布局圖

詳情請(qǐng)見:
http://www.avagotech.com/docs/AV02-2016EN
主題閱讀:Avago  功率放大器
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