RF3140PCBA-41X RFMD [RF Micro Devices], RF3140PCBA-41X Datasheet
RF3140PCBA-41X
Related parts for RF3140PCBA-41X
RF3140PCBA-41X Summary of contents
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... GSM and 55% DCS/PCS 11 DCS/PCS OUT • 10mmx10mm Package Size 10 VCC OUT Ordering Information 9 GSM850/GSM900 OUT RF3140 RF3140 RF3140PCBA-41XFully Assembled Evaluation Board RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA RF3140 POWER AMP MODULE Module TM 9.600 TYP Pin 1 8.800 TYP 8 ...
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RF3140 Absolute Maximum Ratings Parameter Supply Voltage Power Control Voltage (V ) RAMP Input RF Power Max Duty Cycle Output Load VSWR Operating Case Temperature Storage Temperature Parameter Min. Overall Power Control V RAMP Power Control “ON” Power Control “OFF” ...
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Parameter Min. Overall (GSM850 Mode) Operating Frequency Range Maximum Output Power +34.2 Total Efficiency Input Power Range Output Noise Power Forward Isolation 1 Forward Isolation 2 Cross Band Isolation Second Harmonic Third Harmonic All Other Non-Harmonic Spurious ...
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RF3140 Parameter Min. Overall (GSM900 Mode) Operating Frequency Range Maximum Output Power +34.2 Total Efficiency Input Power Range Output Noise Power Forward Isolation 1 Forward Isolation 2 Cross Band Isolation 2f 0 Second Harmonic Third Harmonic All Other Non-Harmonic Spurious ...
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Parameter Min. Overall (DCS Mode) Operating Frequency Range Maximum Output Power +29.5 Total Efficiency Input Power Range Output Noise Power Forward Isolation 1 Forward Isolation 2 Second Harmonic Third Harmonic All Other Non-Harmonic Spurious Input Impedance Input VSWR Output Load ...
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RF3140 Parameter Min. Overall (PCS Mode) Operating Frequency Range Maximum Output Power +29.5 Total Efficiency Input Power Range Output Noise Power Forward Isolation 1 Forward Isolation 2 Second Harmonic Third Harmonic All Other Non-Harmonic Spurious Input Impedance Input VSWR Output ...
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Pin Function Description 1 DCS/PCS IN RF input to the DCS/PCS band. This is a 50Ω input. 2 BAND Allows external control to select the GSM or DCS/PCS bands with a logic high or low. A logic low enables the ...
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RF3140 PIN #1 DCS/PCS IN BAND SELECT TX EN VBATT VREG VRAMP GSM850/GSM900 IN 2-498 Pin Out DCS/PCS OUT VCC OUT GSM850/GSM900 OUT 10.0000 10.0000 Rev A9 060217 ...
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Overview The RF3140 is a quad-band GSM850, EGSM900, DCS1800, and PCS1900 power amplifier module that incorporates an indirect closed loop method of power control. This simplifies the phone design by eliminating the need for the compli- cated control loop design. ...
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RF3140 Talk time and power management are key concerns in transmitter design since the power amplifier has the highest cur- rent draw in a mobile terminal. Considering only the power amplifier’s efficiency does not provide a true picture for the ...
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The switching transients due to low battery conditions are regulated by incorporating the following relationship limiting the maximum V voltage (Equation 4). Although no compensation is required for typical battery conditions, the bat- RAMP tery compensation required for extreme conditions ...
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RF3140 Switching transients occur when the up and down ramp of the burst is not smooth enough or suddenly changes shape. If the control slope has an inflection point within the output power range or if the ...
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DCS/PCS IN BAND SELECT TX ENABLE VBATT VREG VRAMP 50 Ω μstrip GSM850/GSM900 IN ** Used to filter noise and spurious from base band. Evaluation Board Schematic 50 Ω μstrip J2 DCS/PCS IN R6* 180 Ω BAND ...
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RF3140 Board Thickness 0.032”, Board Material FR-4, Multi-Layer 2-504 Evaluation Board Layout Board Size 2.0” x 2.0” Rev A9 060217 ...
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PCB Surface Finish The PCB surface finish used for RFMD’s qualification process is electroless nickel, immersion gold. Typical thickness is 3μinch to 8μinch gold over 180μinch nickel. PCB Land Pattern Recommendation PCB land patterns are based on IPC-SM-782 standards when ...
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RF3140 Thermal Pad and Via Design The PCB land pattern has been designed with a thermal pad that matches the exposed die paddle size on the bottom of the device. Thermal vias are required in the PCB layout to effectively ...