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HFA3763 - 400MHz Quadrature Modulator and AGC

Description

PIN 9 10 11 12 13 14 15 16 17 SYMBOL LPF_VCC 2V REF LPF_BYP LPF_TXI_In LPF_TXQ_In NC NC LPF_Sel1 LPF_Sel0 DESCRIPTION Supply pin for the Low pass filter.

Use high quality decoupling capacitors right at the pin.

Stable 2V reference voltage output for external applications.

Features

  • all the necessary blocks for baseband modulation of I and Q signals. An output AGC and Baseband shaping filters are integrated in 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. The modulator channel receives digital or analog I and Q data for processing. To achieve broadband operation, the Local Oscillator frequency input is required to be twice th.

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Full PDF Text Transcription

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HFA3763 Data Sheet June 1999 File Number 4237.4 400MHz Quadrature Modulator and AGC The HFA3763 is a highly integrated baseband converter for quadrature modulation applications. The HFA3763 400MHz quadrature modulator and AGC is one of the seven chips in the PRISM® full duplex chip set (see Typical Application Diagram). It features all the necessary blocks for baseband modulation of I and Q signals. An output AGC and Baseband shaping filters are integrated in 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. The modulator channel receives digital or analog I and Q data for processing.
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