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Power Amplifier
Product Features
* Small size by using simple matching circuit board * High Efficiency * Single Supply Voltage * High Linearity, 10W Power * Heat sink 99.9% copper, gold plate * High Productivity * Low Manufacturing Cost * GaAs MESFET
RFM1950-10
Application
* USPCS Repeater * RF Sub-Systems * Base Station
Package : DP-36
Description
The power amplifier module is designed for base stations and cell extenders as cellular and GSM , IMT-2000, ISM, MMDS frequency systems. GaAs MESFET is used and attached on a copper sub carrier. It is connected by using bias and in/out matching circuit method with gold wire bonding. The bias and matching circuit are designed much simpler than other circuits for silicon IC's, LDMOS because GaAs MESFET is operated by low supply voltage whereas others are operated by high supply voltage. For better thermal conductivity, enhanced mode PCB was used in the 99.9% copper gold plate heat sink. This simplicity results cost competitiveness and performance enhancement.
Specifications
PARAMETER Frequency Range (MHz) Small Signal Gain (dB) Gain Flatness (Max.) Gain Variation Over Temp VSWR (Input) Output P1dB CDMA Power (1 FA) Vcc / Idc (CDMA Only) OIP3 @ tone / 27 dBm Noise Figure (Typ.) Shut Down (On/Off) In/Out Connectors 49 dBm 37 dBm Min Typ 1920 ~ 1980 12 0.5dB @ 50MHz BW 0.5dB 2:1 38 dBm 31 dBm 9V / 1.2A 50 dBm 5 dB 5V @ 25 / 0V SMA Female (50 ) -20C ~ +70C 1.0dB Max
Dimensions in mm
Operating Temp Range Dimensions (WxLxH)
Functional Diagram
29.0 x 30.2 x 9.0 [mm] (RFM) 48.0 x 54.2 x 22.0 [mm] (RFH)
NOTE * CDMA : 1.25MHz symbol rate ; Forward Link ; 9 Channels, Multi tone Available @ 885KHz offset in 30KHz resolution bandwidth @ 1.98MHz offset in 30KHz resolution bandwidth * RFM : Internally Matched Module * RFH : Housing Type : RF Connector : SMA Female
Tel : 82-31-250-5011 rfsales@rfhic.com
All specifications may change without notice. Version 5.3
Power Amplifier
RFM1950-10
Performance Charts (Vd=9V, Id=1.2A, T=25)
Tel : 82-31-250-5011 rfsales@rfhic.com
All specifications may change without notice. Version 5.3
Power Amplifier
Package Dimensions (Type: DP-36)
RFM1950-10
Pin NO 1 2 3
Function GND RF IN GND
Pin NO 6 5 4
Installation Guideline
It can be easily removed with solder wick and other removable material.
RFHIC Corporation (RFHIC) reserves the right to make changes to any products herein or to discontinue any product at any time without notice. RFHIC do not assume any liability for the suitability of its products for any particular purpose, and disclaims any and all liability, including without limitation consequential or incidental damages. The product specifications herein expressed have been carefully checked and are assumed to be reliable. However, RFHIC disclaims liability for inaccuracies and strongly recommends buyers to verify that the information they are using is current before placing purchase orders. RFHIC products are not intended for use in life support equipment or application where malfunction of the product can be expected to result in personal injury or death. Buyer uses or sells such products for any such unintended or unauthorized application, buyer shall indemnify, protect and hold RFHIC and its directors, officers, stockholders, employees, representatives and distributors harmless against any and all claims arising out of such use. RFHIC's liability under or arising out of damages, claims of whatsoever kind and nature which RFHIC products could cause shall be limited in amount to the net purchase price of the products sold to buyer by RFHIC.
Tel : 82-31-250-5011 rfsales@rfhic.com
All specifications may change without notice. Version 5.3
9
9
Function Vcc RF OUT E/N

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