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RF2705

Features: • W-CDMA High/Mid/Low Power Modes• Quad-Band Direct Quadrature Modulator• Variable Gain PA Drivers• GMSK Bypass Amplifiers• LO Frequency Doubler and Divider• Baseband FilteringApplication• EDGE/GSM (GSM850/900) Handsets• EDGE/GSM (DCS/PCS) ...

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SeekIC No. : 004476323 Detail

RF2705: Features: • W-CDMA High/Mid/Low Power Modes• Quad-Band Direct Quadrature Modulator• Variable Gain PA Drivers• GMSK Bypass Amplifiers• LO Frequency Doubler and Divider&#...

RF2705 Data Sheet

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Part Number:
RF2705
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/22

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Product Details

Description



Features:

• W-CDMA High/Mid/Low Power Modes
• Quad-Band Direct Quadrature Modulator
• Variable Gain PA Drivers
• GMSK Bypass Amplifiers
• LO Frequency Doubler and Divider
• Baseband Filtering


Application

• EDGE/GSM (GSM850/900) Handsets
• EDGE/GSM (DCS/PCS) Handsets
• W-CDMA Handsets/Data Cards
• W-CDMA/GSM/EDGE Multimode Handsets nd Data Cards


Specifications

Parameter
Rating
Unit
Supply Voltage
-0.5 to +3.6
V
Operating Ambient Temperature
-40 to +85
Storage Temperature
-40 to +150
Input Voltage, any pin
-0.5 to 3.6
V
Input RF Power
+5
dBm



Description

The RF2705 is a low noise, multi-mode, quad-band directI/Q to RF modulator and PA driver designed for handsetapplications where multiple modes of operation arerequired. Frequency doublers, dividers and LO buffersare included to support a variety of LO generationoptions. Dynamic power control RF2705 is supported through asingle analog input giving 90dB of power control range forthe W-CDMA mode and 40dB of power control in theother two modes. Three sets of RF outputs are provided:high band and low band low noise EDGE/GMSK outputs,as well as one wideband W-CDMA output. The device RF2705 isdesigned for 2.7V to 3.3V operation, and is assembled in  plastic, 24-pin, 4mmx4mm QFN.




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