RF3108TripleBand GSM/DCS/PC S Power Amp Module
RF3108
TRIPLE-BAND GSM/DCS/PCS POWER AMP MODULE
Package Style: Module (9mmx10mm)
Features
Single 2.9V to 4.7V Supply Voltage +35.5dBm GSM Output Pwr at 3.5V +33.0dBm DCS/PCS Output Pwr at 3.5V 55% GSM and 50% DCS/PCS Efficiency Supports GSM, E-GSM and DCS/PCS 9 mmx10mm Package Size
VCC PCS IN PCS VAPC GND GSM V APC GSM IN VCC
1 2 3 4 5 6 7
14 13 12 11 10 9 8
PCS OUT GND GND VCC GND GND GSM OUT
Applications
3 V Dual-Band/Triple-Band GSM Handsets Commercial and Consumer Systems Portable Battery-Powered Equipment GPRS Class 12 Compatible
Functional Block Diagram
Product Description
The RF3108 is a high-power, high-efficiency power amplifier module offering high performance in GSM or GPRS applications. The device is self-contained with 50 Ω input and output terminals. The device is manufactured on an advanced GaAs HBT process, and has been designed for use as the final RF amplifier in GSM/DCS and PCS handheld digital cellular equipment and other applications in the 880MHz to 915MHz and 1710MHz to 1910MHz bands. On-board power control provides over 70dB of control range with an analog voltage input, and provides power down with a logic “low” for standby operation. The device is packaged in an ultra-small (9mmx10mm) LCC, minimizing the required board space.
Ordering Information
RF3108 RF3108PCBA-41X Triple-Band GSM/DCS/PCS Power Amp Module Fully Assembled Evaluation Board
Optimum Technology Matching® Applied
GaAs HBT GaAs MESFET InGaP HBT SiGe BiCMOS Si BiCMOS SiGe HBT GaAs pHEMT Si CMOS Si BJT GaN HEMT
RF MICRO DEVICES®, RFMD®, Optimum Technology Matching®, Enabling Wireless Connectivity™, PowerStar®, POLARIS™ TOTAL RADIO™ and UltimateBlue™ are trademarks of RFMD, LLC. BLUETOOTH is a trademark owned by Bluetooth SIG, Inc., U.S.A. and licensed for use by RFMD. All other trade names, trademarks and registered trademarks are the property of their respective owners. ©2006, RF Micro Devices, Inc.
Rev A7 DS051003
7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.
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RF3108
Absolute Maximum Ratings Parameter
Supply Voltage Power Control Voltage (VAPC1,2) DC Supply Current Input RF Power Duty Cycle at Max Power Output Load VSWR Operating Case Temperature Storage Temperature
Rating
-0.5 to +6.0 -0.5 to +3.0 2400 +13 50 8:1 -40 to +85 -55 to +150
Unit
VDC V mA dBm % °C °C
Caution! ESD sensitive device.
Exceeding any one or a combination of the Absolute Maximum Rating conditions may cause permanent damage to the device. Extended application of Absolute Maximum Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publication is believed to be accurate and reliable. However, no responsibility is assumed by RF Micro Devices, Inc. ("RFMD") for its use, nor for any infringement of patents, or other rights of third parties, resulting from its use. No license is granted by implication or otherwise under any patent or patent rights of RFMD. RFMD reserves the right to change component circuitry, recommended application circuitry and specifications at any time without prior notice.
Parameter
Overall (GSM Mode)
Operating Frequency Range Maximum Output Power
Min.
Specification Typ.
Max.
Unit
Condition
Temp=+25°C, VCC =3.5V, VAPCGSM =2.6V, PIN =6dBm, Freq=880MHz to 915MHz, 25% Duty Cycle, Pulse Width=1154 μs
880 to 915 +34.5 34.0 +32.0 35.5
MHz dBm dBm dBm Temp = 25°C, VCC =3.5V, VAPCGSM =2.6V 50% Duty Cycle, Pulse Width=2308 μs Temp=+85 °C, VCC =2.9V, VAPCGSM =2.6V At POUT,MAX, VCC =3.5V RBW=100kHz, 925MHz to 935MHz, POUT > 34.5dBm RBW=100kHz, 935MHz to 960MHz, POUT > 34.5dBm VAPCGSM =0.2V, PIN=+8dBm
Total Efficiency Input Power for Max Output Output Noise Power
47 +4
55 +6 +8 -72 -81
% dBm dBm dBm dBm dBc dBc dBm Ω 2.5:1
Forward Isolation Second Harmonic Third Harmonic All other non harmonic spurious Input Impedance Input VSWR Output Load VSWR Output Load Impedance 8:1 50 2.6 0.2 0.5 70 100 50 -40 -50
-30 -35 -43 -36
POUT,MAX-5dB
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