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RF9958

Features: • Supports Dual Mode Operation• Digitally Controlled Power Down Modes• 2.7V to 3.3V Operation• Digital First LO Quadrature Divider• Double-Balanced UHF Upconvert Mixer• IF AGC Amp with 95 dB Gain ControlApplication• CDMA/FM Cellular Systems•...

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SeekIC No. : 004476492 Detail

RF9958: Features: • Supports Dual Mode Operation• Digitally Controlled Power Down Modes• 2.7V to 3.3V Operation• Digital First LO Quadrature Divider• Double-Balanced UHF Upconv...

RF9958 Data Sheet

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Part Number:
RF9958
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: 2024/4/27

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Product Details

Description



Features:

• Supports Dual Mode Operation
• Digitally Controlled Power Down Modes
• 2.7V to 3.3V Operation
• Digital First LO Quadrature Divider
• Double-Balanced UHF Upconvert Mixer
• IF AGC Amp with 95 dB Gain Control


Application

• CDMA/FM Cellular Systems
• CDMA PCS Systems
• Wireless Local Loop Systems
• Spread Spectrum Cordless Phones
• High Speed Data Modems
• General Purpose Digital Transmitters


Specifications

Parameter
Rating
Unit
Supply Voltage
Power Down Voltage (VPD)
I and Q Levels, per pin
LO1 Level, balanced
LO2 Level, balanced
Operating Ambient Temperature
Storage Temperature
 -0.5 to +5
-0.5 to VCC+0.7
1
+3
+6
-40 to +85
-40 to +150
VDC
V
VPP
dBm
dBm
°C
°C



Description

The RF9958 is an integrated complete Quadrature Modulator, IF AGC amplifier, and Upconverter designed for the transmit section of dual-mode CDMA/FM cellular and PCS applications. RF9958 is designed to modulate baseband and Q signals, amplify the resulting IF signals while providing 95dB of gain control range, and perform the final upconversion to UHF. Noise Figure, IP3, and other specifications are designed to be compatible with the IS-98 Interim Standard for CDMA cellular communications. This circuit RF9958 is designed as part of RFMD's newest CDMA Chip Set, which also includes the RF9957 CDMA/FM Receive IF AGC and Demodulator. The IC RF9958 is manufactured on an advanced 15GHz FT Silicon Bipolar process, and is supplied in a 28-lead plastic SSOP package.




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