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RF9938 - PCS UPCONVERTER/BPSK MODULATOR

Description

The RF9938 is a complete upconverter designed for PCS applications.

The IC contains a double-balanced mixer stage and an output buffer amplifier stage.

This device may also be used to directly BPSK modulate a carrier.

Features

  • Supports Dual Mode Operation.
  • +8dBm Output Intercept Point.
  • Single 3.6V Power Supply.
  • Internally Matched Inputs and Outputs.
  • Buffered Output.
  • Double-Balanced Mixer IF+ 1 IF- 2 GND 3 LO+ 4 8 RF OUT 7 VCC 6 GND 5 LO- Ordering Information RF9938 RF9938 PCBA PCS Upconverter/BPSK Modulator Fully Assembled Evaluation Board Functional Block Diagram RF Micro Devices, Inc. 7628 Thorndike Road Greensboro, NC 27409, USA Tel (336) 664 1233 Fax (33.

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Datasheet Details

Part number RF9938
Manufacturer RF Micro Devices
File Size 46.90 KB
Description PCS UPCONVERTER/BPSK MODULATOR
Datasheet download datasheet RF9938 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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RF9938 6 Typical Applications • CDMA/TDMA/DCS1900 PCS Systems • PHS 1500/ WLAN 2400 Systems • General Purpose Upconverter • BPSK Modulation • Micro-Cell PCS Base Stations • Portable Battery-Powered Equipment PCS UPCONVERTER/BPSK MODULATOR Product Description The RF9938 is a complete upconverter designed for PCS applications. The IC contains a double-balanced mixer stage and an output buffer amplifier stage. This device 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 Ω output match. The unit operates at 3.
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