Multipurpose Baseband Instrument using AsAP Digital Signal - - PowerPoint PPT Presentation

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Multipurpose Baseband Instrument using AsAP Digital Signal - - PowerPoint PPT Presentation

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Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Multipurpose Baseband Instrument using AsAP Digital Signal Processing Jeremy W. Webb University of California, Davis Electrical & Computer Engineering VLSI

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SLIDE 1

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF

Multipurpose Baseband Instrument

using AsAP Digital Signal Processing Jeremy W. Webb

University of California, Davis Electrical & Computer Engineering VLSI Computation Laboratory

October 26th, 2009

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SLIDE 2

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF

Outline

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Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument Multipurpose Baseband Instrument Modes Specifications Measurement Board AsAP DSP Tasks

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Multipurpose Baseband Instrument IF Multipurpose Baseband IF Block Diagram Signal Analyzer Signal Generator

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SLIDE 3

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Multipurpose Baseband Instrument

Multipurpose Baseband Instrument

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SLIDE 4

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Multipurpose Baseband Instrument Modes

Instrument Modes

The multipurpose baseband instrument supports several different operation modes:

1

Spectrum Analyzer

2

Oscilloscope

3

Arbitrary Waveform Generator

4

Signal Source The operation mode can be changed on-the-fly.

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SLIDE 5

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Specifications

Instrument Specifications

Specification RF Input RF Output Frequency Range DC to 120 MHz DC to 120 MHz BW 120 MHz 120 MHz Sample Rate 500 MS/s 500 MS/s Waveform Memory 2 GB 2 GB Impedance 50 Ω 50 Ω

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SLIDE 6

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Assembly

Figure: Measurement Board Assembly Top.

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SLIDE 7

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 8

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 9

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 10

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 11

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 12

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 13

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Measurement Board

Measurement Board Information

The Measurement board contains: 2 AsAP ICs providing up to 500 GigaOps/sec of signal processing capability. 16-bit, 1GS/s Digital-to-Analog Converter. 12-bit, 500MS/s Analog-to-Digital Converter. Xilinx Virtex-5 SX50T QDR-II SRAM, 36Mbit, Burst of 4, 250MHz DDR2 SDRAM, 2GB, 250MHz

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SLIDE 14

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF AsAP DSP Tasks

AsAP DSP Tasks

4096-point Fast Fourier Transforms. Window Filters: Hanning, Flattop, and Gaussian Signal Statistics: Minimum, Maximum, Average, Frequency. Magnitude, Phase, Magnitude Squared.

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SLIDE 15

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF AsAP DSP Tasks

AsAP DSP Tasks

4096-point Fast Fourier Transforms. Window Filters: Hanning, Flattop, and Gaussian Signal Statistics: Minimum, Maximum, Average, Frequency. Magnitude, Phase, Magnitude Squared.

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SLIDE 16

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF AsAP DSP Tasks

AsAP DSP Tasks

4096-point Fast Fourier Transforms. Window Filters: Hanning, Flattop, and Gaussian Signal Statistics: Minimum, Maximum, Average, Frequency. Magnitude, Phase, Magnitude Squared.

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SLIDE 17

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF AsAP DSP Tasks

AsAP DSP Tasks

4096-point Fast Fourier Transforms. Window Filters: Hanning, Flattop, and Gaussian Signal Statistics: Minimum, Maximum, Average, Frequency. Magnitude, Phase, Magnitude Squared.

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SLIDE 18

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Multipurpose Baseband IF Block Diagram

Baseband IF Block Diagram

Figure: Instrument IF Block Diagram.

fs = 500 MS/s, BW = 120 MHz, and fdsp = 250 MS/s.

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Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Signal Analyzer

Anti-Alias Lowpass Filter

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1M 10M 100M 1G

dB Frequency (Hz) Low-Pass 7th Order Chebyshev Anti-Alias Filter - S21

S21

Figure: Frequency Response

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1 2 3 4 1M 10M 100M

dB Frequency (Hz) Low-Pass 7th Order Chebyshev Anti-Alias Filter - Pass Band

S21

Figure: Pass-band Response

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SLIDE 20

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Signal Analyzer

Digitized 100MHz Sine Wave

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10 20M 40M 60M 80M 100M 120M

dBm Frequency (Hz) Decimated by 2 Spectrum (Total Power = 7.3147dBm)

Figure: fin: 100 MHz - Decimated-by-2.

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SLIDE 21

Multipurpose Baseband Instrument Highlights Multipurpose Baseband Instrument IF Signal Generator

40MHz Sine Wave

Figure: fout: 40 MHz