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RF9957 Datasheet Cdma/fm Receive Agc And Demodulator

Manufacturer: RF Micro Devices (now Qorvo)

Overview: 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.

General Description

The RF9957 is an integrated plete 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 patible with the IS98 and J-STD-018 Interim Standard for CDMA cellular munications.

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.

More Datasheets from RF Micro Devices (now Qorvo)

Part Number Description
RF9957PCBA CDMA/FM RECEIVE AGC AND DEMODULATOR
RF9958 CDMA/FM TRANSMIT MODULATOR/ IF AGC/ AND UPCONVERTER
RF9958PCBA CDMA/FM TRANSMIT MODULATOR/ IF AGC/ AND UPCONVERTER
RF9906 CDMA / FM Low Noise Amplifier / Mixer
RF9908 CDMA/FM UPCONVERTER/BPSK MODULATOR
RF9908PCBA CDMA/FM UPCONVERTER/BPSK MODULATOR
RF9938 PCS UPCONVERTER/BPSK MODULATOR
RF9938PCBA PCS UPCONVERTER/BPSK MODULATOR
RF9986 PCS LOW NOISE AMPLIFIER/MIXER
RF9986PCBA PCS LOW NOISE AMPLIFIER/MIXER

RF9957 Distributor