RF3108 RF Micro Devices, RF3108 Datasheet
RF3108
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RF3108 Summary of contents
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... 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 50Ω 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 ...
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... RF3108 Absolute Maximum Ratings Parameter Supply Voltage Power Control Voltage (V ) APC1,2 DC Supply Current Input RF Power Duty Cycle at Max Power Output Load VSWR Operating Case Temperature Storage Temperature Parameter Min. Overall (GSM Mode) Operating Frequency Range Maximum Output Power +34.5 34.0 +32.0 Total Efficiency 47 Input Power for Max Output ...
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... V 4 μ RF3108 Condition Temp=25°C, V =3.5V =2.6V, P =6dBm, APCDCS/PCS IN Freq=1710MHz to 1910MHz, 25% Duty Cycle, Pulse Width=1154μs Temp=25°C, V =3.5V =2.6V, 1710MHz to 1785MHz APCDCS/PCS 1850MHz to 1910MHz 50% Duty Cycle, Pulse Width 2308μs, 1710MHz to 1785MHz 1850MHz to 1910MHz Temp=+85° ...
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... RF3108 Pin Function Description 1 VCC1 Power Supply for the driver stage of the DCS/PCS band. 2 DCS/PCS IN RF Input to the DCS/PCS band. This is a 50Ω input. 3 DCS/PCS Power control for the pre-amplifier, driver, and output stage of the DCS/PCS band. V APC 4 GND Ground connection to overall package. ...
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... Theory of Operation and Application Information The RF3108 is a triple-band, GSM/DCS/PCS power amplifier with two separate RF inputs and outputs that are internally matched to 50Ω. Pins 2 and 14 of the device provide the RF input and output for the DCS/PCS band, which is optimized for performance between 1710MHz and 1910MHz ...
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... RF3108 VCC PCS IN PCS VAPC GND GSM VAPC GSM IN VCC 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Pin Out 1 GND GND GND GND 2 GND GND GND 3 GND GND 4 GND GND GND GND ...
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... Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A7 DS051003 Application Schematic Note: Add the typical microstrip loss to the output power measured at the output connector of evaluation board to calculate the actual power at the RF3108 module output pin. Evaluation Board Schematic C2 ...
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... RF3108 Board Thickness 0.031”; Board Material FR-4; Multi-Layer 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Evaluation Board Layout Board Size 2.0” x 2.0” Rev A7 DS051003 ...
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... Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com. Rev A7 DS051003 RF3108 ...
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... RF3108 2nd and 3rd Harmonic Performance GSM Band @3. +6dBm P CC -35.0 2nd Fo(dBc) 3rd Fo(dBc) -40.0 -45.0 -50.0 -55.0 880.0 885.0 890.0 895.0 900.0 Frequency Power and Efficiency Performance @ 3. 2. +6dBm P CC APC 36.0 35.8 35.6 35.4 35.2 35.0 Power(+6dBm Pin) Efficiency (+6dBm Pin) 34.8 880.0 885.0 890.0 895.0 900.0 Frequency Isolation Performance DCS/PCS Band @ 3 ...
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... APC 40 Power 2nd Fo(dBc) 30 Efficiency 3rd Fo(dBc -10 -20 -30 -40 1850.0 1880.0 1910.0 0.2 0.4 0.6 @3.5V V 40.0 Power 30.0 Efficiency 20.0 10.0 0.0 -10.0 -20.0 -30.0 -40.0 0.2 0.4 0.6 RF3108 @ 3. 2. +8dBm P CC APC IN 51.0 Power (dBm) Efficiency (%) 49.0 47.0 45.0 43.0 41.0 39.0 1840.0 1860.0 1880.0 1900.0 Frequency Power Control Response @3.5V, 2. +6dBm P , 1750MHz APC IN 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 Power Control Voltage (V) Power Control Response , 2 ...
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... RF3108 7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com Rev A7 DS051003 ...