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HSP43216 - Halfband Filter

General Description

NAME VCC GND CLK AIN0-15 BIN0-15 MODE0-1 INT/EXT SYNC TYPE I I I I I I +5V Power.

Ground.

Clock Input.

Key Features

  • Sample Rates to 52 MSPS.
  • Architected to Support Sample Rates to 104 MSPS Using External Multiplexer.
  • Four Modes of Operation: - Interpolate by 2 Filtering - Decimate by 2 Filtering - Quadrature to Real Signal Conversion - fS/4 Quadrature Down Conversion Followed by Decimate by 2 Filtering.
  • 16-Bit Inputs and Outputs.
  • 67-Tap Halfband FIR Filter with 20-Bit Coefficients.
  • Two’s Complement or Offset Binary Outputs.
  • Programmable Rounding o.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HSP43216 Data Sheet January 1999 File Number 3365.7 Halfband Filter The HSP43216 Halfband Filter addresses a wide variety of applications by combining fS/4 (fS = sample frequency) quadrature up/down convert circuitry with a fixed coefficient halfband filter processor as shown in the block diagram. These elements may be configured to operate in one of the four following modes: decimate by 2 filtering of a real input signal; interpolate by 2 filtering of a real input signal; fS/4 quadrature down conversion of a real input signal followed by decimate-by-2 filtering to produce a complex analytic signal; interpolate-by-2 filtering of a complex analytic signal followed by fS/4 quadrature up conversion to produce a real valued output.