多通道采集存储

十通道接收机

日期: 2021-08-31 浏览: 来源:未知

1.设备构架

十通道接收机采用VPX总线构架而成,组成如下图所示:

十通道接收机构架

图1  十通道接收机构架

2.信号流向

十通道接收机信号流向

图2  十通道接收机信号流向

3.技术指标

采用AnalogAG币游国际的AD9208双通道ADC,其技术指标如下

JESD204B(子类1)编码串行数字输出

支持每线高达16Gbps的线速

3GSPS时每通道的总功率为1.65W(默认设置)

−2dBFS幅度、2.6GHz输入时的性能

SFDR=70dBFS

SNR=57.2dBFS

−9dBFS幅度、2.6GHz输入时的性能

SFDR=78dBFS

SNR=59.5dBFS

集成式输入缓冲器

噪声密度=−152dBFS/Hz

9GHz模拟输入全功率带宽(−3dB)

每个通道具有2个集成式宽带数字处理器

48位NCO

4个级联半带滤波器

相位相干NCO切换

提供多达4个通道

串口控制

具有除以2和除以4选项的整数时钟

灵活的JESD204B线配置

AD9208原理框架

图2.3  AD9208原理框架

采用AlteraAG币游国际S10FPGA+ARM信号处理器,其技术指标如下:

1.Logicelements(LEs):2,753,000.

2.Adaptivelogicmodules(ALMs):933,120.

3.ALMregisters:3,732,480.

4.M20Kmemoryblocks:11,721.

5.M20Kmemorysize(Mb):229.

6.MLABmemorysize(Mb):15.

7.Variable-precisiondigitalsignalprocessing(DSP)blocks:5,760.

8.18x19multipliers:11,520.

9.Peakfixed-pointperformance(TMACS):23.0.

10.Peakfloating-pointperformance(TFLOPS):9.2.

11.MaximumuserI/Opins:1160.

12.MaximumLVDSpairs1.6Gbps(RXorTX):576.

13.Totalfullduplextransceivercount:96.

14.GXTfullduplextransceivercount(upto28.3Gbps):64.

15.GXfullduplextransceivercount(upto17.4Gbps):32.

16.Processor:Quad-core64bitARMCortex-A53MPCore*processor.

17.Maximumprocessorfrequency:1.5GHz.

18.Processorcacheandco-processors

(1)L1instructioncache(32KB)

(2)L1datacache(32KB)witherrorcorrectioncode(ECC)

(3)Level2cache(1MB)withECC

(4)Floating-pointunit(FPU)singleanddoubleprecision

(5)ARMNEONmediaengine

(6)ARMCoreSight*debugandtracetechnology

(7)SystemMemoryManagementUnit(SMMU)

(8)CacheCoherencyUnit(CCU)

19.ScratchpadRAM:256KB.

20.HPSDDRmemory:DDR4,DDR3(Upto64bitwithECC.

21.Directmemoryaccess(DMA)controller:8channels.

22.EMAC:3X10/100/1000Ethernetmediaaccesscontroller(EMAC)withintegratedDMA.

23.USBon-the-go(OTG)controller:2XUSBOTGwithintegratedDMA.

24.UARTcontroller:2XUART16550compatible.

25.Serialperipheralinterface(SPI)controller:4XSPI.

26.I2Ccontroller:5XI2C.

27.QuadSPIflashcontroller:1XSIO,DIO,QIOSPIflashsupported.

28.SD/SDIO/MMCcontroller:1XeMMC4.5withDMAandCE-ATAsupport.

29.NANDflashcontroller

(1)1XONFI1.0orlater

(2)8and16bitsupport

30.General-purposetimers:4X.

31.Software-programmablegeneral-purposeI/Os(GPIOs):Maximum48GPIOs.

32.HPSDDRSharedI/O:3X48-MaybeassignedtoHPSforHPSDDRaccess.

33.DirectI/Os:48I/OstoconnectHPSperipheralsdirectlytoI/O.

34.Watchdogtimers:4X.