HFA3766 PRELIMINARY January 1999 File Number 4328.
1 400MHz AGC Quadrature IF Modulator/Demodulator The HFA3766 is a highly integrated baseband converter for quadrature modulation applications.
It features all the necessary blocks for baseband modulation and demodulation of I and Q signals.
It has a two stage integrated AGC IF amplifier with 82dB of voltage gain and 76dB of gain control range.
Baseband antialiasing is integrated into the design.
Four filter bandwidths are programmable via a two bit digital control interface.
In addition, these filters are continuously tunable over a ±20% frequency range via one external resistor.
For baseband modulation digital I and Q data are delivered to...

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