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RF2628

Features: Supports Dual Mode Operation+9dBm Output Intercept PointSingle 2.7V to 5.0V Power Supplynternally Matched Inputs and OutputsBuffered OutputDouble-Balanced MixerApplicationCDMA/FM Cellular SystemsSupports Dual-Mode AMPS/CDMASupports Dual-Mode TACS/CDMACommercial and Consumer SystemsBatter...

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SeekIC No. : 004476308 Detail

RF2628: Features: Supports Dual Mode Operation+9dBm Output Intercept PointSingle 2.7V to 5.0V Power Supplynternally Matched Inputs and OutputsBuffered OutputDouble-Balanced MixerApplicationCDMA/FM Cellular ...

RF2628 Data Sheet

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Part Number:
RF2628
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: 2025/12/27

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Product Details

Description



Features:

Supports Dual Mode Operation
+9dBm Output Intercept Point
Single 2.7V to 5.0V Power Supply
nternally Matched Inputs and Outputs
Buffered Output
Double-Balanced Mixer


Application

CDMA/FM Cellular Systems
Supports Dual-Mode AMPS/CDMA
Supports Dual-Mode TACS/CDMA
Commercial and Consumer Systems
Battery-Operated Systems


Pinout

Connection Diagram


Specifications

Parameter Rating Unit
Supply Voltage
Input RF Power
Operating Ambient Temperature
Storage Temperature		 -0.5 to 5.5
+10
-40 to +85
-40 to +150		 VDC
dBm
°C
°C



Description

The RF2628 is a complete upconverter designed for CDMA/FM cellular applications. The IC contains a dou-ble-balanced mixer stage and an output buffer amplifier stage. This device RF2628 may also be used to directly BPSK modulate a carrier. The mixer is a Gilbert cell with emitter degeneration resistors to provide high IP3 . The output stage is a class-B, push-pull configuration to reduce the overall current and still provide a good 50 output match.

The RF2628 unit operates at a supply voltage of 2.7V to 5.0V and does not require any external matching components other than coupling capacitors. This circuit is designed as part of the RFMD CDMA Chip Set, consisting of a Trans- mit IF AGC Amp, this Transmit Upconverter, a Receive LNA/Mixer, and a Receive IF AGC Amp.




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