SParrow® for ADI Converters An Introduction

  • SParrow® enables generation and deployment of FPGA reference designs for ADI Converters. Reference designs help bypass several months of efforts in implementing basic FPGA interfaces and software framework for Prototype bring-up.
  • Reference designs include EVAL Board Interface RTL IPs, basic DSP RTL IPs, C++ Framework, C++ Drivers and complete build environment required for bring-up of Converter EVAL Boards paired with industry-standard FPGA platforms.
  • SParrow® Tool makes the reference designs easily configurable and customizable to various prototyping requirements.
  • SParrow® provides an off-the-shelf library of highly speed-optimized RTL algorithms and software drivers for developing base systems.
  • The RTL and C++ code generated by SParrow® are very readable and editable so that the base system code can be easily ported to custom FPGA boards or modified to integrate user-specific IPs for building larger systems.
  • SParrow® reference designs come with a prebuilt software framework for interfacing the FPGA board with a Host/PC through either Ethernet or Serial Interface.

SParrow® supported ADI Converters and FPGA Boards

Converter EVAL Boards FPGA Prototyping Platforms
AD974x (8b, 10b, 12b, 14b, 210MSPS TxDAC) AD9744-FMC-EBZ, AD9744ACP-PCBZ XILINX® ZC706, AVNET® ZedBoard
AD9467 (16b, 250MSPS ADC) AD9467-FMC-250EBZ XILINX® ZC706, AVNET® ZedBoard

The SParrow® Value Addition

How does SParrow® Work

The
5-Step Flow
STEP 1
Capture the System Schematic using GUI
STEP 2
Generate System Code and build Scripts
STEP 3
Enter System Initialization Parameters
STEP 4
Generate Bit-Stream and Executables
STEP 5
Launch the system and Capture Samples

Capture and Analyze samples from PC

The SParrow® DSP Library – A Snap-Shot

Category Currently supported Algorith Components (Not all components listed)
Basic Arithmetic ADDER, SUBSTRACTOR, MULTIPLIER, ABSOLUTE-VALUE, NEGATION, NORMALIZER, DE-NORMALIZER
Advanced Arithmetic FRACTIONAL ARITHMETIC, SQUARE-ROOT, ROOT-OF-SUM-OF-SQUARES, DIVISION, RECIPROCAL
Bit Operators AND, OR, XOR, INVERT, SHIFTER, BIT-SPLITTER, BIT-MERGE
Sample Stream Operators BUS-SLICE, BUS-MERGE, BUS-MULTIPLEX, SAMPLE-PACKER
Basic DSP Components SINGLE/MULTI-SLICE FIR FILTERS, CASCADED-INTEGRATOR-COMB (CIC) FILTER, MOVING AVERAGE, DECIMATOR, MIXER,MODULATOR, DELAY
Composite DSP Algorithms DYNAMIC DOWN CONVERTOR (DDC), ENVELOPE EXTRACTION/ANALYSIS, FUNCTION GENERATOR
Signal Analysis DESCRETE FOURIER TRANSFORM, PERIOD/DUTY-CYCLE DETECTOR
Signal Sources NCOs, LINEAR WAVE_GENERATOR
Utility Components MEMORY MAPPED REGISTERS (MMR), TIMER+PWM, ASYNC-FIFO, SAMPLE-GATE, AXI4-LITE SWITCH
  • The RTL DSP components are fully-pipelined to handle maximum sample rates and proven up to 250MSPS @ 250MHz clock-rate in 28nm Zynq FPGA.
  • The bit-accuracy of all HW Algorithm IPs are verified against MATLAB Models, in addition to standalone RTL testbench based simulations.



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