【应用】相干光模时钟芯片SI5342H用于200G相干模块,采用DSPLL技术满足高速需求

2020-11-17 世强
相干光模时钟芯片,SI5342H,Silicon Labs 相干光模时钟芯片,SI5342H,Silicon Labs 相干光模时钟芯片,SI5342H,Silicon Labs 相干光模时钟芯片,SI5342H,Silicon Labs

大容量OTN、POTN设备目前仍然是光传输网络设备的核心运营设备,内置的相干光模块是一款具有高速率、高稳定性的线路侧收发一体的光模块,是传输设备的核心设备,这个相干模块一般采用DP-QPSK或者QAM相干调制技术,具有传输距离远、抗干扰能力强等特点。相干光模块的核心是其内置的相干DSP芯片,不同于目前客户侧常用的PAM4光模块DSP,相干的DSP更复杂,由于内部处理的数据速率相对较高,目前有25Gbps或50Gbps等数据传输速率,需要对应的同步采样时钟。


对于采用双DSP方案实现的200G相干光模块来说,每个DSP主要需要两路高频时钟作为参考时钟,分别是1.529GHz和1.987GHz的两个高频时钟,通常这种光模块的尺寸相对较大,通过几百pin的连接器直接扣在相干传输线卡上,所以其内部可以使用相对尺寸稍大的晶振或者时钟芯片。传统的晶振如果要实现这么高的频点输出,其内部的结构一定不只是简单的石英晶振,有对应的IC(PLL)合成输出1.529GHz和1.987GHz类似的频点,尺寸不小,相噪抖动指标不一定满足DSP的需求且价格不菲。出于节省PCB面积及简化时钟链路设计的需求,可以选用高性能的时钟芯片来代替这些高频晶振。

     

这里推荐使用SILICON LABS的专用相干光模时钟芯片SI5342H,这款时钟芯片支持最高2.75GHz频率输出的时钟信号,采用Silicon Labs公司核心的DSPLL技术,最高支持2路高频率时钟输出,自带2个时钟域(2个小数分频器),可以方便2个高速时钟的输出(这里输出1.529GHz和1.987GHz),SI5342H另外也对高速时钟做了优化处理, RMS jitter可以减少到100fs以内,性能远远领先业界同类产品,完全满足高速相干模块的时钟需求。实际使用时,使用安捷伦的向噪仪E5052B对这两路时钟做了相噪测试,其 RMS抖动值(1.529GHz是54.5 fs,1.987GHz是54.1 fs)。下面是对应的相噪指标测试结果。

图1  1.987GHz相噪测试结果

图2  1.529GHz相噪测试结果


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型号- SI5345A-B-GM,SI5340A-D-GMR,SI5341A-D-GMR,SI5347D-B-GM,SI5344C-B-GM,SI5341B-B04918-GMR,SI5347A-D-GM,SI5345D-B03700-GM,SI5345B-B04564-GM,SI5345D-D-GM,SI5346A-D-GMR,SI5348A-B-GMR,SI5347A-D-GMR,SI5380,SI5345D-B04831-GM,SI5346A-B-GMR,SI5344D-B-GM,SI5342D-B05470-GM,SI5341C-B-GM,SI5345A,SI5345B,SI5345C,SI5345B-B05955-GM,SI5345D,SI5342D-D-GM,SI5341B-B04187-GMR,SI5341A-B-GM,SI5347D-B-GMR,SI5380-A-ZXM,SI5345D-B04501-GM,SI534XH,SI5356B-B00322-GMR,SI5341D-B-GM,SI5341A-B-GMR,SI5345D-B04409-GM,SI5347C-B-GM,SI5344A-B-GM,SI5341D-D-GMR,SI5340C-B-GMR,SI5342C-D-GM,SI5345B-B00021-GM,SI5345B-B06003-GM,SI5346B,SI5341B-B05197-GMR,SI5347B-D-GM,SI5344B-D-GM,SI5345C-D-GM,SI5347D-D-GMR,SI5345B-B-GMR,SI5346A,SI5346B-B-GMR,SI5345D-B04493-GM,SI5345D-B04502-GM,SI5347A-B-GM,SI5341B-B05496-GM,SI5345D-B05784-GM,SI5341B-D-GM,SI5340B-B-GM,SI5340D-B-GMR,SI5341C-D-GM,SI538X,SI5345A-D-GM,SI5340C-D-GMR,SI5345B-B04421-GM,SI5348B-B05017-GM,SI5347C-D-GMR,SI5346B-B-GM,SI5342D-B-GM,SI5380-D-EVB,SI5344H,SI5342H-C04990-GMR,SI5345C-B-GM,SI5344D,SI5345B-B05825-GM,SI5342B-D-GM,SI5342D-B04694-GM,SI5344D-D-GM,SI5345A-B04957-GM,SI5344A-D-GM,SI5347C-D-GM,SI5345D-B04830-GM,SI5347A-A-GMR,SI5344B-A-GMR,SI5347B-D-GMR,SI5342D-B03814-GM,SI5345B-B03718-GM,SI5344A,SI5344B,SI5340C-D-GM,SI5345B-B03234-GM,SI5344C,SI5347B-B-GM,SI5347C-B-GMR,SI5340D-D-GMR,SI5341B-B-GM,SI5340A-D-GM,SI5341A,SI5341B,SI5341C,SI5341D,SI5345D-B04500-GM,SI5344B-B04184-GM,SI5341B-B05609-GMR,SI5340B-B-GMR,SI5341B-B-GMR,SI5341B-B04226-GMR,SI5345C-A-GM,SI5340D-B-GM,SI5345B-B-GM,SI5344D-B-GMR,SI5345B-B04881-GM,SI5346B-D-GM,SI5340B-D-GM,SI5345A-B-GMR,SI5342A-B-GM,SI5345B-B05785-GM,SI5345D-B05731-GM,SI5340B-D-GMR,SI5342H,SI5345A-A-GM,SI5345B-B05747-GM,SI5342B,SI5348B-B05856-GM,SI5342C,SI5342D,SI5342H-C04990-GM,SI5342B-B-GM,SI5347B-B-GMR,SI5348B-B05083-GM,SI5346B-D-GMR,SI5345B-B04823-GM,SI5345B-B05971-GM,SI5340C-B-GM,SI5348B-B05423-GM,SI5342A,SI5346A-D-GM,SI5340A-B-GM,SI5345D-B-GM,SI5346B-A-GMR,SI5348A-A-GM,SI5341B-B04964-GMR,SI5340D-D-GM,SI5342C-A-GMR,SI5345B-D-GM,SI5342A-D-GM,SI5347C,SI5341C-D-GMR,SI5347D,SI534X,SI5341B-A04048-GMR,SI5345A-B04313-GM,SI5341D-B-GMR,SI5345B-B04408-GM,SI5347D-D-GM,SI5347A,SI5347B,SI5340D,SI5345D-B04494-GM,SI5345D-B04528-GM,SI5341A-D-GM,SI5347A-B-GMR,SI5340A,SI5340B,SI5340C,SI5341D-D-GM,SI5348A-D-GM,SI5345D-B04834-GM,SI5345B-B04563-GM,SI5341B-D-GMR,SI5345A-B04313-GMR,SI5340A-B-GMR,SI5345D-B05729-GM,SI5345D-B04410-GM,SI5341C-B-GMR,SI5345A-A-GMR,SI5342H-D04990-GMR,SI5348A,SI5345B-B05786-GM,SI5346A-B-GM

应用笔记或设计指南  -  SILICON LABS  - Rev 0.1  - 2016年07月15日 PDF 英文 下载

【应用】业界最高水平抖动指标的时钟芯片助力无人机图像传输

Si5342是Silicon Labs推出的超低抖动时钟芯片,其两路输出最高支持1028MHz时钟输出,抖动指标可以达到90 fs RMS jitter。完全可以实现无人机图传模块的参考时钟要求。

新应用    发布时间 : 2017-11-11

Silicon Labs(芯科科技)推荐的Crystal XO/TCXO/OCXO参考手册Rev 1.2版本更新通知(200317734)

描述- 本资料主要描述了Silicon Labs(芯科科技)对推荐的Crystal XO TCXO OCXO参考手册第1.2版所做更改的通知以及更新内容。

型号- SI5345B-D07937-GMR,SI5345B-D09627-GMR,SI5341B-D08610-GMR,SI5347C-D-GMR,SI5342D-D09086-GM,SI5391B-A11611-GM,SI5392B-A-GMR,SI5345D-B04831-GM,SI5345B-B06187-GM,SI5341B-B05253-GMR,SI5345D-B09294-GM,SI5341B-D07538-GM,SI5345B-D06823-GMR,SI5342B-B05261-GMR,SI5340D-D07601-GM,SI5342B-D06637-GMR,SI5341B-D10801-GMR,SI5341B-D09562-GMR,SI5391B-A11408-GMR,SI5345A-D08461-GM,SI5348B-B05083-GMR,SI5342B-B05229-GMR,SI5345A-D08452-GMR,SI5341B-B05012-GMR,SI5345B-B03585-GM,SI5342H-D11047-GM,SI5344D-D11640-GMR,SI5347B-D10486-GM,SI5394E-A-GM,SI5380A-E07675-GMR,SI5341B-D10186-GMR,SI5341D-D07494-GM,SI5345B-D11165-GMR,SI5341B-D07665-GM,SI5341B-D07775-GMR,SI5344A-D07830-GMR,SI5341D-E-GMR,SI5342B-D09635-GMR,SI5341B-D09732-GM,SI5345A-D07949-GM,SI5341B-B05841-GMR,SI5341D-D11622-GM,SI5341B-D09136-GMR,SI5341B-D10301-GMR,SI5341B-D10606-GM,SI5341B-D09858-GM,SI5392P-A09447-GM,SI5345B-D10107-GMR,SI5344B-D08737-GMR,SI5345B-D07553-GM,SI5345B-D07794-GM,SI5341B-D07705-GMR,SI5341D-D07392-GM,SI5341B-D08611-GM,SI5342B-D09070-GMR,SI5341B-D10045-GM,SI5342D-D09068-GMR,SI5345B-D08013-GMR,SI5389A-A00002-GM,SI5341B-D08188-GM,SI5345A-D09172-GMR,SI5345B-D09956-GMR,SI5394E-A11491-GM,SI5386A-E09878-GM,SI5345A-D08461-GMR,SI5395P-A10491-GM,SI5341A-B05309-GM,SI5345A-B04583-GM,SI5345A-B04915-GM,SI5345D-B04831-GMR,SI5345B-D07324-GM,SI5395A-A09318-GMR,SI5348A-D06323-GM,SI5346A-D09245-GMR,SI5341B-D07784-GMR,SI5342B-D10246-GM,SI5341D-B04598-GM,SI5345A-B04354-GM,SI5341B-D11568-GMR,SI5341D-D11222-GMR,SI5345B-B07923-GM,SI5395B-A11511-GM,SI5391B-A11611-GMR,SI5341B-D10249-GM,SI5342B-B04935-GMR,SI5394E-A11327-GM,SI5345D-B04500-GM,SI5395P-A11424-GM,SI5340D-D11275-GMR,SI5344B-B04685-GM,SI5341B-D10184-GM,SI5341B-D06911-GMR,SI5391B-A11672-GMR,SI5391B-A10182-GM,SI5345B-D09656-GM,SI5345A-D08551-GM,SI5345B-B06151-GM,SI5383A-D07457-GMR,SI5341D-D08439-GM,SI5341B-D06832-GMR,SI5341A-D10814-GMR,SI5341B-D09553-GMR,SI5346B-E-GM,SI5341B-B05068-GMR,SI5345B-B05600-GMR,SI5341B-B05829-GM,SI5391A-A09521-GMR,SI5345B-B05791-GM,SI5348B-D11833-GMR,SI5345D-D07661-GMR,SI5341B-D06593-GM,SI5342D-B04316-GMR,SI5341B-D07514-GM,SI5341B-D09812-GMR,SI5380A-D07544-GMR,SI5383A-D10188-GMR,SI5341A-D11067-GM,SI5371A-A10636-GM,SI5345B-D10023-GM,SI5345B-D06796-GMR,SI5345D-D07582-GMR,SI5395B-A11421-GM,SI5388C-A00001-GMR,SI5341A-B05248-GMR,SI5345B-D09474-GMR,SI5341A-D06700-GM,SI5341B-D10204-GMR,SI5341A-D10315-GM,SI5381A-D-GMR,SI5342D-D09086-GMR,SI5345B-D08763-GMR,SI5395B-A11637-GM,SI5341B-D10811-GM,SI5341D-D10058-GMR,SI5395B-A10631-GM,SI5345B-D10042-GMR,SI5341B-D09948-GM,SI5395A-A11541-GMR,SI5345B-D09975-GM,SI5347D-D-GM,SI5371A-A-GMR,SI5341A-B06653-GMR,SI5345B-D06493-GM,SI5392B-A11819-GMR,SI5341B-D10196-GM,SI5381A-E09167-GM,SI5395B-A09981-GMR,SI5345A-D06762-GMR,SI5341B-D10945-GMR,SI5341A-D10708-GMR,SI5341B-D09368-GMR,SI5341B-D09859-GMR,SI5342B-D08253-GMR,SI5347B-B05240-GM,SI5341B-D10757-GM,SI5345B-B05730-GM,SI5344A-D10218-GM,SI5344A-B-GM,SI5341A-D06433-GMR,SI5383A-D07457-GM,SI5345A-D06748-GMR,SI5344A-D07251-GMR,SI5345D-D07661-GM,SI5344D-D08596-GMR,SI5341B-B06209-GMR,SI5391B-A11672-GM,SI5344D-B05345-GM,SI5348A-B05425-GMR,SI5341D-D10063-GMR,SI5346B-D06707-GM,SI5345B-D09377-GM,SI5340D-D07601-GMR,SI5342D-D09012-GMR,SI5344B-D06574-GMR,SI5344D-D11640-GM,SI5341B-D07858-GMR,SI5345B-D06805-GMR,SI5346B-D06506-GM,SI5341A-B04366-GMR,SI5341B-D11104-GMR,SI5344A-D07983-GMR,SI5345B-D09693-GM,SI5345D-D08525-GMR,SI5341B-D10524-GMR,SI5395B-A10118-GMR,SI5341A-D07415-GM,SI5345B-D10813-GM,SI5345B-D11503-GMR,SI5341B-D06950-GM,SI5345D-D07116-GM,SI5341A-D10814-GM,SI5345A-D08166-GM,SI5344B-D08228-GMR,SI5341A-D09158-GMR,SI5345B-B04707-GM,SI5345B-D06055-GMR,SI5345A-E-GMR,SI5341D-D07494-GMR,SI5344H-D10098-GM,SI5341A-D08175-GMR,SI5341D-D09753-GM,SI5342C-B-GM,SI5348B-B05425-GMR,SI5344C-D06928-GMR,SI5344D-D10449-GMR,SI5341B-D07587-GM,SI5341B-D10442-GM,SI5345D-B04502-GMR,SI5345B-D07717-GM,SI5395E-A11757-GM,SI5341B-D10265-GMR,SI5345D-B04994-GM,SI5395J-A11335-GM,SI5386A-E09692-GMR,SI5344B-D09277-GMR,SI5341D-D07547-GM,SI5344D-B05357-GM,SI5396J-A-GM,SI5395B-A11658-GMR,SI5341B-D08242-GM,SI5342A-B05306-GM,SI5345A-D08540-GMR,SI5391B-A11381-GM,SI5345B-D09668-GM,SI5344D-B04082-GMR,SI5345B-D06763-GM,SI5341A-D10826-GM,SI5345A-D10564-GMR,SI5347B-D09894-GM,SI5342D-D07847-GM,SI5346B-D06273-GM,SI5342D-D07660-GMR,SI5391P-A09770-GM,SI5395B-A10499-GMR,SI5345B-B05459-GM,SI5341D-D09139-GM,SI5345B-B06213-GM,SI5345B-B04273-GM,SI5345B-D10024-GMR,SI5395B-A10499-GM,SI5345B-B03475-GMR,SI5395J-A11309-GMR,SI5345B-B06358-GMR,SI5340D-D10699-GMR,SI5341A-D06658-GM,SI5345C-D07066-GM,SI5345B-D06825-GM,SI5341B-B04862-GMR,SI5395B-A10281-GMR,SI5341B-D11030-GMR,SI5395B-A11298-GMR,SI5342D-D10661-GM,SI5342D-B-GMR,SI5348B-B05020-GM,SI5345B-D08263-GMR,SI5345B-B05420-GMR,SI5391B-A10540-GMR,SI5349C-E-GMR,SI5347C-B-GM,SI5345D-D09076-GM,SI5345B-D08522-GMR,SI5345A-D10972-GMR,SI5345A-D10222-GMR,SI5341A-D09307-GMR,SI5344D-D07664-GM,SI5395P-A10339-GM,SI5341B-D07870-GM,SI5340D-D11698-GM,SI5341B-D11332-GMR,SI5341A-D09113-GM,SI5345B-D11730-GM,SI5348B-D08557-GMR,SI5391C-A-GMR,SI5397C-A09914-GM,SI5348B

产品变更通知及停产信息  -  SILICON LABS  - 2020年3月17日 PDF 英文 下载

Silicon Labs(芯科科技) Si5340-EVB 评估板使用说明

型号- SI5345A-B-GM,SI5340A-D-GMR,SI5327B-C-GM,SI5345D-B03700-GM,SI5346A-D-GMR,SI5345D-B04831-GM,SI5344D-B-GM,SI536X,SI5341C-B-GM,SI5345B-B05955-GM,SI5310-C-GM,SI5342D-D-GM,SI5341A-B-GM,SI5341A-B-GMR,SI5347C-B-GM,SI5341D-D-GMR,SI5340C-B-GMR,SI5345B-B00021-GM,SI5345B-B06003-GM,SI5325A-C-GM,SI5347B-D-GM,SI5345C-D-GM,SI5347D-D-GMR,SI5346B-B-GMR,SI5345D-B04493-GM,SI5345D-B05784-GM,SI5323-C-GM,SI5341B-D-GM,SI5340D-B-GMR,SI5345A-D-GM,SI5316-C-GM,SI5348B-B05017-GM,SI5347C-D-GMR,SI5327B,SI5315A,SI5342H-C04990-GMR,SI5324C-C-GM,SI5342B-D-GM,SI5326C-C-GM,SI5345A-B04957-GM,SI5344A-D-GM,SI5345D-B04830-GM,SI5344B-A-GMR,SI5328B-C-GM,SI5326B-C-GM,SI5326B-C-GMR,SI5340C-D-GM,SI5345B-B03234-GM,SI5328B,SI5328C,SI5326A-B-GM,SI5341B-B-GM,SI5321-H-BL,SI5345D-B04500-GM,SI5344B-B04184-GM,SI5341B-B05609-GMR,SI5341B-B-GMR,SI5345C-A-GM,SI5344D-B-GMR,SI5345B-B04881-GM,SI5340,SI5346B-D-GM,SI532X,SI5342A-B-GM,SI5345B-B05785-GM,SI5345D-B05731-GM,SI5325A,SI5340B-D-GMR,SI5345A-A-GM,SI5345B-B05747-GM,SI5342H-C04990-GM,SI5347B-B-GMR,SI5348B-B05083-GM,SI5345B-B04823-GM,SI5348B-B05423-GM,SI5326A,SI5326B,SI5326C,SI5346A-D-GM,SI5340A-B-GM,SI5326C-B-GM,SI5345D-B-GM,SI5346B-A-GMR,SI5369A-C-GQR,SI5341B-B04964-GMR,SI5340D-D-GM,SI5364,SI5365,SI5345B-D-GM,SI5326B-B-GM,SI5366,SI5326A-C-GM,SI5347C,SI5347D,SI534X,SI5341D-B-GMR,SI5347A,SI5347B,SI5345D-B04528-GM,SI5347A-B-GMR,SI5341D-D-GM,SI5348A-D-GM,SI5341C-B-GMR,SI5324C,SI5348A,SI5345B-B05786-GM,SI5341A-D-GMR,SI5347D-B-GM,SI5344C-B-GM,SI5341B-B04918-GMR,SI5347A-D-GM,SI5365-C-GQ,SI5345B-B04564-GM,SI5345D-D-GM,SI5348A-B-GMR,SI5347A-D-GMR,SI5346A-B-GMR,SI5342D-B05470-GM,SI5345A,SI5345B,SI5345C,SI5345D,SI5369A,SI5341B-B04187-GMR,SI5347D-B-GMR,SI5345D-B04501-GM,SI534XH,SI5322-C-GM,SI5356B-B00322-GMR,SI5341D-B-GM,SI5321-H-GL,SI5345D-B04409-GM,SI5344A-B-GM,SI5310,SI5342C-D-GM,SI5346B,SI5341B-B05197-GMR,SI5344B-D-GM,SI5316,SI5345B-B-GMR,SI5346A,SI5345D-B04502-GM,SI5347A-B-GM,SI5341B-B05496-GM,SI5320,SI5321,SI5340B-B-GM,SI5341C-D-GM,SI5322,SI5323,SI5367A,SI5340C-D-GMR,SI5345B-B04421-GM,SI5320-G-BC,SI5346B-B-GM,SI5342D-B-GM,SI5344H,SI5322-C-GMR,SI5345C-B-GM,SI5344D,SI5345B-B05825-GM,SI5342D-B04694-GM,SI5344D-D-GM,SI5347C-D-GM,SI5368A-C-GQ,SI5347A-A-GMR,SI5347B-D-GMR,SI5342D-B03814-GM,SI5345B-B03718-GM,SI5344A,SI531X,SI5344B,SI5344C,SI5347B-B-GM,SI5347C-B-GMR,SI5340D-D-GMR,SI5368A,SI5340A-D-GM,SI5341A,SI5341B,SI5341C,SI5341D,SI5340B-B-GMR,SI5341B-B04226-GMR,SI5340D-B-GM,SI5345B-B-GM,SI5340B-D-GM,SI5345A-B-GMR,SI5342H,SI5342B,SI5348B-B05856-GM,SI5342C,SI5342D,SI5342B-B-GM,SI5340-EVB,SI5346B-D-GMR,SI5345B-B05971-GM,SI5340C-B-GM,SI5342A,SI5364-H-BL,SI5366-C-GQ,SI5320-H-BL,SI5319B-C-GM,SI5348A-A-GM,SI5342C-A-GMR,SI5319B,SI5328C-C-GM,SI5342A-D-GM,SI5341C-D-GMR,SI5341B-A04048-GMR,SI5345A-B04313-GM,SI5345B-B04408-GM,SI5323-B-GM,SI5347D-D-GM,SI5340D,SI5345D-B04494-GM,SI5367A-C-GQ,SI5341A-D-GM,SI5340A,SI5340B,SI5340C,SI5345D-B04834-GM,SI5345B-B04563-GM,SI5341B-D-GMR,SI5345A-B04313-GMR,SI5340A-B-GMR,SI5345D-B05729-GM,SI5315A-C-GM,SI5345D-B04410-GM,SI5345A-A-GMR,SI5342H-D04990-GMR,SI5346A-B-GM

评估板使用说明  -  SILICON LABS  - Rev 1.0  - 2016年07月14日 PDF 英文 下载

AN1178: Frequency-On-the-Fly for Silicon Labs Jitter Attenuators and Clock Generators

型号- SI5344H,SI5342H,SI5394,SI5383,SI5391,SI5380,SI5392,SI5342,SI5397,SI5395,SI5340,SI5384,SI5341,SI5396,SI5346,SI5347,SI5344,SI5345,SI5348

应用笔记或设计指南  -  SILICON LABS  - Rev. 0.5  - 2019/03/05 PDF 英文 下载

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