NXP公司的BGU7003是宽带硅锗低噪音放大器MMIC,工作频率在40MHz-6GHz,1.575 GHz的噪音NF=0.80dB,插入功率增益为18.3dB,偏压电流通过外接电阻配置,主要用在GPS" title="GPS">GPS,卫星无线电,微波通信系统低噪音放大器,WLAN和CDMA以及模拟/数字无绳电话.本文介绍了BGU7003主要特性, 简化方框图, GPS LNA评估板电路图和测量指标,PCB图以及材料清单.

BGU7003: Wideband silicon germanium low-noise amplifier MMIC

The BGU7003 MMIC is a wideband amplifier in SiGe:C technology for high speed, low-noise applications in a plastic, leadless 6 pin, extremely thin small outline SOT891 package.

BGU7003主要特性:

Low noise high gain microwave MMIC

Applicable between 40 MHz and 6 GHz

Integrated temperature stabilized bias for easy design

Bias current configurable with external resistor

Noise figure NF = 0.80 dB at 1.575 GHz

Insertion power gain = 18.3 dB at 1.575 GHz

110 GHz transit frequency - SiGe:C technology

Power-down mode current consumption < 1 μA

Optimized performance at low 5 mA supply current

ESD protection > 1 kV Human Body Model (HBM) on all pins

BGU7003应用:

GPS

Satellite radio

Low-noise amplifiers for microwave communications systems

WLAN and CDMA applications

Analog / digital cordless applications

图1.BGU7003简化方框图

The BGU7003 is a wideband Silicon Germanium Amplifier MMIC for high speed, low noise applications. It can be used mainly for LNA applications up to 6 GHz like GPS, satellite radio, cordless phone. The BGU7003 contains one RF stage and internal bias that is temperature stabilized. It also contains a power down function to shutdown the amplifier by means of a logic signal on the enable pin.

The BGU7003 is ideal for use in portable electronic devices, such as mobile phones, Personal Digital Assistants (PDAs), Personal Navigation Devices (PNDs) etc.

The GPS LNA EValuation Board (EVB) is designed to evaluate the performance of the BGU7003 applied as a GPS LNA. In this document, the application diagram, board layout, bill of material, and some typical results are given.

GPS LNA评估板测量指标:



图2. BGU7003 GPS LNA评估板外形图

图3. BGU7003 GPS LNA评估板电路图

图4. BGU7003 GPS LNA评估板PCB图
BGU7003 GPS LNA评估板材料清单(BOM):

详情请见:
http://www.nxp.com/documents/data_sheet/BGU7003.pdf
和
http://www.nxp.com/documents/user_manual/UM10339.pdf