آر اف (فرکانس رادیویی) و بی‌سیم فرانت‌اند آر‌اف (ال‌ان‌ای و پی‌ای)

Product Attributes

Introduction

• Cellular handsets encompassing Quad-Band GSM/EDGE, Dual-Band TD-SCDMA, and TDD LTE
  • Class 4 GSM850/900
  • Class 1 DCS1800/PCS1900
  • Class 12 GPRS multi-slot operation
  • Linear EDGE operation
  • TD-SCDMA Bands 34/39
  • TDD LTE Band 34/39
• Carrier Aggregation (CA)

Features

• Small, low profile package; 44-pad configuration
  • 5.5 mm x 5.5 mm x 0.75 mm
• MIPI RFFE control with dual-standard support
  • User-selectable register mappings
  • Linear or VRAMP-based GMSK power control
• RF ports internally matched to 50 Ω w/ zero DC offset
• High GMSK POUT (inclusive of coupler and diplexer)
  • 34 dBm GSM850/900
  • 31 dBm DCS1800/PCS1900
• Tx harmonics below –40 dBm
• Supports APT, buck DC-DC supply
• 15 low loss/high linearity/high isolation TRx switch ports
• RF input switching to external 3G/4G path
• Integrated forward direction coupler
• Downlink inter-band CA with built-in antenna diplexer
• Integrated 2.4 GHz WiFi coexistence notch filter
• Integrated diplexer rejects noise and harmonics for excellent 5 GHz WiFi coexistence
• Built-in IEC-compliant antenna ESD protection
• High impedance control inputs and low standby current
• Current limiting and overvoltage protection for ruggedness and extended battery life
• Power control circuitry built-in for improved TRP variation
• Supports Uplink Carrier Aggregation in Band 39 (35 MHz)
• Support High Power User Equipment (HPUE) input power via TRx port