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RFX242 Dataheets PDF



Part Number RFX242
Manufacturers RFAXIS
Logo RFAXIS
Description Single-Chip/Single Die CMOS 2.4GHz HighPower 802.11ac/n/g/b WLAN Linear Power Amplifier
Datasheet RFX242 DatasheetRFX242 Datasheet (PDF)

Rev. B1 RFX242 Single-Chip/Single Die CMOS 2.4GHz HighPower 802.11ac/n/g/b WLAN Linear Power Amplifier MP Evaluation Board Test Results Summary & Technical Notes 9/16/2015 RFAXIS INC. CONFIDENTIAL NDA MATERIAL 1 RFX242 Key Features and Benefits (3.0x3.0x0.55mm RFX242 Differentiating Features 16L QFN)  Highly Integrated PA Solution, Gain=32dB, NC VDD1 NC NC RFIN NC Eliminates the Need for Pre-driver  Digital Logic with 1.2V Turn-On Voltage  No Vref Regulator for Biasing  Integrat.

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Rev. B1 RFX242 Single-Chip/Single Die CMOS 2.4GHz HighPower 802.11ac/n/g/b WLAN Linear Power Amplifier MP Evaluation Board Test Results Summary & Technical Notes 9/16/2015 RFAXIS INC. CONFIDENTIAL NDA MATERIAL 1 RFX242 Key Features and Benefits (3.0x3.0x0.55mm RFX242 Differentiating Features 16L QFN)  Highly Integrated PA Solution, Gain=32dB, NC VDD1 NC NC RFIN NC Eliminates the Need for Pre-driver  Digital Logic with 1.2V Turn-On Voltage  No Vref Regulator for Biasing  Integrated Power Detector for Output PAEN GND VDD0 Bias Network RFOUT RFOUT NC Monitoring  Requires Minimal External Components  Small, Ultra-Thin 3.0mmx3.0mmx0.55mm 16L QFN Package NC NC DET NC RFX242 APPLICATIONS  WLAN AP/Router  LTE/WiFi Router  Femto Cell  Outdoor WLAN Hotspot  Set Top Box/Home Gateway  Smart Energy/Smart Home  Other 2.4GHz ISM Platforms RFX242 Customer Benefits  Small Form-Factor and Quick Design Cycle  Simplest Approach for Improving Link Performance  Very Low BOM Cost and Competitive Price 9/16/2015 RFAXIS INC. CONFIDENTIAL NDA MATERIAL 2 9/16/2015 Pin-out and Pin Description NC VDD NC NC 16 15 14 13 RFIN 1 12 NC PAEN 2 17 GND 11 RFOUT GND 3 10 RFOUT VDD 4 9 NC 5678 NC NC DET NC (Top "See-Through" View) Pin Number 1 2 3, 17 4, 15 7 5, 6, 8, 9, 12, 13, 14, 16 10, 11 Pin Name RFIN PAEN GND VDD DET NC RFOUT Description RF Input Signal to the PA – DC Internally Shorted to GND CMOS Logic Control to Enable the PA Ground – Must be Connected to Ground in the Application Circuit DC Supply Voltage PA Power Detector Voltage Output Not Connected Internally RF Output Signal from the PA RFAXIS INC. CONFIDENTIAL NDA MATERIAL 3 Eval Board and Recommended BOM PAEN GND VDet VDD VDD VDD VDD GND RF IN C1 C2 C3 L1 C4 C6 L2 C10 C5 R1 R2 C13 C7 C9 C8 C11 C12 RF OUT Recommended BOM Designator Value Footprint Notes C1, C12 22uF Case A Tantalum C2, C11, C13 2.2uF 0603 X5R/X7R C3, C8, C10 220pF 0402 X5R/X7R C4 3.6pF 0402 C0G/NPO C5 2.0pF 0402 C0G/NPO C6 15pF 0402 C0G/NPO C9 1.2pF 0402 C0G/NPO L1 1.8nH 0402 Johanson L2 1.5nH 0402 Johanson R1 1KΩ 0402 R2 10KΩ 0402 DC Bias & Tx/Rx Logic Control: VDD=5.0V nominal (3.6-5.5V operational) Evaluation Board Information: - 4-Layer Stack, 10mil/40mil/10mil - FR4 with er=4.5, tan d = 0.02 (Typ) - RFIN, RFOUT trace losses are ~0.25dB @ 2.45GHz - Results in following slides are referenced to device pins with the trace loss de-embedded - VDD can be powered up in any sequence - All VDDs should be powered on before applying ctrl signals PA Enable: PAEN=High (>1.2V) PA Disable: PAEN=Low (<0.3V) 9/16/2015 RFAXIS INC. CONFIDENTIAL NDA MATERIAL 4 2 mm trace length 9/16/2015 Recommended Schematic and BOM Optional 2 mm trace length 0.6 mm trace length Designator C1 Optional C11 C3, C8, C10 C4 C5 C6 C7 C9 L1 L2 R1 R2 Recommended BOM Value Footprint Notes Tolerance 22uF Case A Tantalum NA 2.2uF 0603 X5R/X7R NA 220pF 0402 X5R/X7R NA 3.6pF 0402 C0G/NPO.


RFX242 RFX242 FDS4685


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