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HFA3724 - 400MHz Quadrature IF Modulator/Demodulator

General Description

PIN 1 2 3 4 5, 6, 7, 8 9 10 11 12 13 14 15 16 17 SYMBOL LIM1_BYP+ LIM1_In+ LIM1_InLIM1_BYPGND LPF_VCC 2V REF LPF_BYP LPF_TXI_In LPF_TXQ_In LPF_RXI_Out LPF_RXQ_Out LPF_Sel1 LPF_Sel0 DESCRIPTION DC feedback pin for Limiter amplifier 1.

Key Features

  • Integrates all IF Transmit and Receive Functions.
  • Broad Frequency Range.
  • . 10MHz to 400MHz.
  • I/Q Amplitude and Phase Balance.
  • . 0.2dB, 2o.
  • 5th Order Programmable Low Pass Filter.
  • . . . . 2.2MHz - 17.6MHz.
  • 400MHz Limiting IF Gain Strip with RSSI.
  • . . . . .84dB.
  • Low LO Drive Level.
  • . . . -15dBm.
  • Fast Transmit-Receive Switching.

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Full PDF Text Transcription for HFA3724 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for HFA3724. For precise diagrams, and layout, please refer to the original PDF.

HFA3724 Data Sheet November 1999 File Number 4067.7 400MHz Quadrature IF Modulator/Demodulator The Intersil 2.4GHz PRISM™ chip set is a highly integrated five-chip soluti...

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ntersil 2.4GHz PRISM™ chip set is a highly integrated five-chip solution for RF modems employing Direct Sequence Spread Spectrum (DSSS) signaling. The HFA3724 400MHz Quadrature IF Modulator/Demodulator is one of the five chips in the PRISM™ chip set (see the Typical Application Diagram). ™ Features • Integrates all IF Transmit and Receive Functions • Broad Frequency Range . . . . . . . . . . . 10MHz to 400MHz • I/Q Amplitude and Phase Balance . . . . . . . . . . . 0.2dB, 2o • 5th Order Programmable Low Pass Filter. . . . . . . . . . . . . . . . . . . 2.2MHz - 17.6MHz • 400MHz Limiting IF Gain Strip with RSSI. . . . . . . .

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