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RF9957PCBA - CDMA/FM RECEIVE AGC AND DEMODULATOR

General Description

The RF9957 is an integrated complete IF AGC amplifier and Quadrature Demodulator designed for the receive section of dual-mode CDMA/FM cellular and PCS applications.

Key Features

  • Supports Dual Mode Operation (CDMA and FM) FL+ GC 23 19.
  • Digitally Controlled Power Down Mode.
  • 2.7V to 3.3V Operation 16 Q OUT+ 15 Q OUT- CDMA IN+ 4 CDMA IN- 5 IN SEL 14 FM IN+ 8 FM IN- 9 Input Select Gain Control.
  • Quadrature LO Divider.
  • IF AGC Amp with 100dB Gain Control Quad. ÷2 13 LO+ 12 LO21 I OUT+ Band Gap Reference 22 I OUT- Ordering Information 24 PD 18 FL- 10 BG OUT RF9957 RF9957 PCBA CDMA/FM Receive AGC and Demodulator Fully.

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Datasheet Details

Part number RF9957PCBA
Manufacturer RF Micro Devices
File Size 169.27 KB
Description CDMA/FM RECEIVE AGC AND DEMODULATOR
Datasheet download datasheet RF9957PCBA 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.

View original datasheet text
RF9957 7 Typical Applications • CDMA/FM Cellular Systems • CDMA PCS Systems • Wireless Local Loop Systems • Spread-Spectrum Cordless Phones • High Speed Data Modems • General Purpose Digital Receivers CDMA/FM RECEIVE AGC AND DEMODULATOR Product Description The RF9957 is an integrated complete IF AGC amplifier and Quadrature Demodulator designed for the receive section of dual-mode CDMA/FM cellular and PCS applications. It is designed to amplify received IF signals, while providing 100dB of gain control range, and demodulate to baseband I and Q signals. Noise Figure, IP3, and other specifications are designed to be compatible with the IS98 and J-STD-018 Interim Standard for CDMA cellular communications.