RF3145PCBA-41X RFMD [RF Micro Devices], RF3145PCBA-41X Datasheet
RF3145PCBA-41X
Related parts for RF3145PCBA-41X
RF3145PCBA-41X Summary of contents
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... DCS/PCS Output Pwr at 3.5V 11 DCS OUT • +29dBm 8PSK Output Pwr • 53% GSM and 50% DCS/PCS PAE 10 NC Ordering Information RF3145 9 GSM OUT RF3145PCBA-41XFully Assembled Evaluation Board RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA RF3145 POWER AMPLIFIER MODULE 1.70 1.45 10.00±0.10 0.450±0.075 10.00±0. ...
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RF3145 Absolute Maximum Ratings Parameter Supply Voltage Power Control Voltage (V ) RAMP Band Select TX Enable RF - Input Power Max Duty Cycle Output Load VSWR Operating Case Temperature Storage Temperature Parameter Min. GSM US 850MHz Band Operating Frequency ...
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Parameter Min. Power Control V , RAMP GSM850 GMSK Mode Power Control “ON” Power Control “OFF” Power Control Range V Input Capacitance RAMP V Input Current RAMP Turn On/Off Time GSM US 850MHz Band 8PSK Mode Operating Frequency Range Output ...
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RF3145 Parameter Min. GSM US 900MHz Band Operating Frequency Range Maximum Output Power +34.5 Total Efficiency (PAE) Input Power for Max Output Folding Conversion Gain Output Noise Power Forward Isolation Second Harmonic Third Harmonic All other Non-Harmonic Spurious Cross Band ...
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Parameter Min. GSM 900MHz Band 8PSK Mode Operating Frequency Range Output Power to Meet EVM and +28.5 ACPR Spectrum +26.5 Total Efficiency (PAE) Gain 28.0 Gain Temperature Coefficient EVM RMS ACPR and Spectrum Mask Output Noise Power Forward Isolation Second ...
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RF3145 Parameter Min. Overall (DCS/PCS Mode) GMSK Mode Operating Frequency Range 1710 Maximum Output Power 31.5 Total Efficiency (PAE) Recommended Input Power Range Folding Conversion Gain Output Noise Power (DCS) Output Noise Power (PCS) Forward Isolation Second Harmonic Third Harmonic ...
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Parameter Min. 1710MHz to 1785MHz 8PSK Mode Operating Frequency Range 1710 Output Power to Meet EVM and 27.5 ACPR Spectrum 25.5 Total Efficiency (PAE) Gain 32.5 Gain Temperature Coefficient EVM ACPR and Spectrum Mask Output Noise Power (DCS) Forward Isolation ...
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RF3145 Parameter Min. 1850MHz to 1910MHz 8PSK Mode Operating Frequency Range 1850 Output Power to Meet EVM and 27.5 ACPR Spectrum 25.5 Total Efficiency (PAE) Gain 32.50 Gain Temperature Coefficient EVM ACPR and Spectrum Mask Output Noise Power (PCS) Forward ...
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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 band with a logic high or low. A logic low enables the ...
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RF3145 PIN #1 DCS/PCS IN BAND SELECT TX EN VBATT VMODE VRAMP GSM IN 2-528 Pin Out 10.0000 DCS/PCS OUT NC 10.0000 GSM OUT Rev A4 050919 ...
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DCS/PCS IN BAND SELECT TX ENABLE VBATT VMODE VRAMP 50 Ω μstrip GSM IN ** Used to filter noise and spurious from base band. Evaluation Board Schematic (Download Bill of Materials from www.rfmd.com CON1 50 ...
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RF3145 MODE RF INPUT GSM FIXED EDGE Linear ramp from AGC Amplifier/Source (GSM Burst Ramp Signal) Simplified Block Diagram of a Single Band AGC Amplifier 3 4 BATT > 1.5 V TX_ENABLE V starts 1us after ...
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Overview The RF3145 is a dual-mode, quad-band power amplifier module that is compatible with both GSM and EDGE applica- tions. The device operates in a broad frequency range that includes the GSM850, GSM900, DCS1800, and PCS1900 frequency bands. Integrated band ...
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RF3145 Theory of Operation The indirect closed loop is essentially a closed loop method of power control that is invisible to the user. Most power con- trol systems in GSM sense either forward power or collector/drain current. The RF3145 does ...
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Where P is the sum of all positive and negative RF power the formula becomes (Equation 3 LOSS IN ----------------------------- - ------- - – 10 η = ------------------------------------------------ - ⋅ ...
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RF3145 The components following the power amplifier often have insertion loss variation with respect to frequency. Usually, there is some length of microstrip following the power amplifier. There is also a frequency response found in directional cou- plers due to ...
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Harmonics are natural products of high efficiency power amplifier design. An ideal class “E” saturated power amplifier will produce a perfect square wave. Looking at the Fourier transform of a square wave reveals high harmonic content. Although this is common ...
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RF3145 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 ...