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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 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).
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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 . . . . . . . . . . . . . . . . . . .