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Pletronics晶振抖動在高性能設計中的重要性

2022-04-26 14:19:49 

Pletronics晶振抖動在高性能設計中的重要性,高性能串行數(shù)據(jù)架構使時鐘晶體振蕩器抖動成為人們關注的焦點,高速串行總線架構是當今高性能設計的標準。雖然并行總線標準經(jīng)歷了一些變化后,串行總線在多個市場和設備上建立起來——計算機、手機, 娛樂系統(tǒng)等等。串行總線提供了性能優(yōu)勢和設計簡化(更少的走線) 在電路和電路板布局中。串行數(shù)據(jù)鏈路充當當今信息世界的動脈,因為它們從 處理系統(tǒng)中的一個點到另一個點。為了確保數(shù)字系統(tǒng)中數(shù)據(jù)的準確傳送和接收由時鐘和數(shù)據(jù)恢復(CDR)電路控制,其作用相當于數(shù)據(jù)系統(tǒng)中的握手。這準確接收和解釋數(shù)據(jù)的關鍵是準確了解時鐘邊沿的“位置” 在任何時間點。

Manufacturer Part Number原廠編碼 Manufacturer廠家 Description 參數(shù) Series型號 Type 系列 Frequency
CPFBZ-A2C4-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C4-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C4-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C5-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C5-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C5-32.768KD6 Cardinal Components Inc. CRYSTAL 32.7680KHZ 6PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CSM1Z-A5B2C3-40-14.31818D18 Cardinal Components Inc. CRYSTAL 14.31818MHZ 18PF SMD CSM1 MHz Crystal 14.31818MHz
CSM1Z-A5B2C3-40-14.31818D18 Cardinal Components Inc. CRYSTAL 14.31818MHZ 18PF SMD CSM1 MHz Crystal 14.31818MHz
CSM1Z-A5B2C3-40-14.31818D18 Cardinal Components Inc. CRYSTAL 14.31818MHZ 18PF SMD CSM1 MHz Crystal 14.31818MHz
CSM1Z-A5B2C5-60-24.0D18 Cardinal Components Inc. CRYSTAL 24.0000MHZ 18PF SMD CSM1 MHz Crystal 24MHz
CSM1Z-A5B2C5-60-24.0D18 Cardinal Components Inc. CRYSTAL 24.0000MHZ 18PF SMD CSM1 MHz Crystal 24MHz
CSM1Z-A5B2C5-60-24.0D18 Cardinal Components Inc. CRYSTAL 24.0000MHZ 18PF SMD CSM1 MHz Crystal 24MHz
CTF6-A2C5-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF T/H CTF6 kHz Crystal (Tuning Fork) 32.768kHz
CX5Z-A5B2C5-70-7.37280D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CX5Z-A5B2C5-70-7.37280D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CX5Z-A5B2C5-70-7.37280D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CX532Z-A2B3C5-70-12.288D18 Cardinal Components Inc. CRYSTAL 12.2880MHZ 18PF SMD CX532 MHz Crystal 12.288MHz
CX532Z-A2B3C5-70-12.288D18 Cardinal Components Inc. CRYSTAL 12.2880MHZ 18PF SMD CX532 MHz Crystal 12.288MHz
CX532Z-A2B3C5-70-12.288D18 Cardinal Components Inc. CRYSTAL 12.2880MHZ 18PF SMD CX532 MHz Crystal 12.288MHz
CPFBZ-A2C4-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C4-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C4-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CSM1Z-A2B2C3-40-30.0D18 Cardinal Components Inc. CRYSTAL 30.0000MHZ 18PF SMD CSM1 MHz Crystal 30MHz
CSM1Z-A2B2C3-40-30.0D18 Cardinal Components Inc. CRYSTAL 30.0000MHZ 18PF SMD CSM1 MHz Crystal 30MHz
CSM1Z-A2B2C3-40-30.0D18 Cardinal Components Inc. CRYSTAL 30.0000MHZ 18PF SMD CSM1 MHz Crystal 30MHz
CSM4Z-A2B3C3-40-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CSM4 MHz Crystal 12MHz
CSM4Z-A2B3C3-40-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CSM4 MHz Crystal 12MHz
CSM4Z-A2B3C3-40-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CSM4 MHz Crystal 12MHz
CSM4Z-A2B3C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM4 MHz Crystal 25MHz
CSM4Z-A2B3C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM4 MHz Crystal 25MHz
CSM4Z-A2B3C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM4 MHz Crystal 25MHz
CX532Z-A2B3C5-70-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CX532 MHz Crystal 16MHz
CX532Z-A2B3C5-70-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CX532 MHz Crystal 16MHz
CX532Z-A2B3C5-70-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CX532 MHz Crystal 16MHz
CX5Z-ARB2C5-70-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CX5Z-ARB2C5-70-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CX5Z-ARB2C5-70-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CX5 MHz Crystal 7.3728MHz
CSM1Z-A0B2C3-50-22.1184D18 Cardinal Components Inc. CRYSTAL 22.1184MHZ 18PF SMD CSM1 MHz Crystal 22.1184MHz
CSM1Z-A0B2C3-50-22.1184D18 Cardinal Components Inc. CRYSTAL 22.1184MHZ 18PF SMD CSM1 MHz Crystal 22.1184MHz
CSM1Z-A0B2C3-50-22.1184D18 Cardinal Components Inc. CRYSTAL 22.1184MHZ 18PF SMD CSM1 MHz Crystal 22.1184MHz
CSM1Z-A0B2C3-100-5.0D18 Cardinal Components Inc. CRYSTAL 5.0000MHZ 18PF SMD CSM1 MHz Crystal 5MHz
CSM1Z-A0B2C3-100-5.0D18 Cardinal Components Inc. CRYSTAL 5.0000MHZ 18PF SMD CSM1 MHz Crystal 5MHz
CSM1Z-A0B2C3-100-5.0D18 Cardinal Components Inc. CRYSTAL 5.0000MHZ 18PF SMD CSM1 MHz Crystal 5MHz
CSM1Z-A5B2C5-40-14.7456D18 Cardinal Components Inc. CRYSTAL 14.7456MHZ 18PF SMD CSM1 MHz Crystal 14.7456MHz
CSM1Z-A5B2C5-40-14.7456D18 Cardinal Components Inc. CRYSTAL 14.7456MHZ 18PF SMD CSM1 MHz Crystal 14.7456MHz
CSM1Z-A5B2C5-40-14.7456D18 Cardinal Components Inc. CRYSTAL 14.7456MHZ 18PF SMD CSM1 MHz Crystal 14.7456MHz
CX325Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CX325 MHz Crystal 20MHz
CX325Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CX325 MHz Crystal 20MHz
CX325Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CX325 MHz Crystal 20MHz
CSM1Z-A5B2C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CSM1Z-A5B2C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CSM1Z-A5B2C3-40-25.0D18-F Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CX635A-A5B2C3-40-18.432D13 Cardinal Components Inc. CRYSTAL 18.4320MHZ 13PF SMD CX635A MHz Crystal 18.432MHz
CX635A-A5B2C3-40-18.432D13 Cardinal Components Inc. CRYSTAL 18.4320MHZ 13PF SMD CX635A MHz Crystal 18.432MHz
CX635A-A5B2C3-40-18.432D13 Cardinal Components Inc. CRYSTAL 18.4320MHZ 13PF SMD CX635A MHz Crystal 18.432MHz
CPFBZ-A2C5-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C5-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CPFBZ-A2C5-32.768KD12.5 Cardinal Components Inc. CRYSTAL 32.7680KHZ 12.5PF SMD CPFB kHz Crystal (Tuning Fork) 32.768kHz
CSM4Z-A2B3C3-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM4 MHz Crystal 10MHz
CSM4Z-A2B3C3-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM4 MHz Crystal 10MHz

抖動在高性能設計中的重要性,因為發(fā)送和接收設備可以在任何地方-從同一桌面到桌面的另一端世界上,每個不同的位置或環(huán)境都有影響,可以影響時鐘沿如何從發(fā)送數(shù)據(jù)的時間到設備接收并解釋數(shù)據(jù)的時間。這些影響很多,包括溫度、物理運動/振動,甚至時鐘信號來源的架構。最終結果是要么有準確的數(shù)據(jù),要么沒有,而“沒有”顯然從來不是任何系統(tǒng)的選項。對于最終用戶來說,這意味著糟糕的體驗質量以及對互聯(lián)網(wǎng)會話和相關服務的干擾(無論是糟糕的語音質量、不均衡的視頻內(nèi)容的觀看體驗或損壞的數(shù)據(jù)文件內(nèi)容)。作為衡量標準的性能特征時鐘邊沿的精確程度與預期值之比稱為“抖動”。有三種量化通常用于測量的抖動:

1.相位/均方根抖動——可被視為“精細聚焦”測量。這通常被稱為 “絕對抖動”,即時鐘邊沿位置與實際位置的總差值理想——通常通過用網(wǎng)絡分析儀測量信號的相位噪聲來揭示;

2.峰值抖動和峰峰值抖動,其中的每一個都可以被認為是一個“過程”測量,并且是中斷的歸結為兩個特征:a.周期抖動(又稱周期抖動)任何一個時鐘周期與理想或平均時鐘之間的差異周期——通常通過用示波器測量信號周期來顯示,b.周期間抖動——任意兩個相鄰時鐘周期持續(xù)時間的差異。這對以下方面可能很重要 微處理器和RAM接口中使用的某些類型的時鐘產(chǎn)生電路也需要測量 使用示波器

抖動性能/規(guī)格限值已由ITU-T、Telcordia等標準化機構確定 還有IEEE。本地以太網(wǎng)(IEEE)抖動的規(guī)格和測試方法與SDH/不同 SONET/SyncE (ITU-T,Telcordia)。

CSM4Z-A2B3C3-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM4 MHz Crystal 10MHz
CSM1Z-A0B2C3-50-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CSM1 MHz Crystal 16MHz
CSM1Z-A0B2C3-50-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CSM1 MHz Crystal 16MHz
CSM1Z-A0B2C3-50-16.0D18 Cardinal Components Inc. CRYSTAL 16.0000MHZ 18PF SMD CSM1 MHz Crystal 16MHz
CSM1Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM1 MHz Crystal 20MHz
CSM1Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM1 MHz Crystal 20MHz
CSM1Z-A5B2C5-50-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM1 MHz Crystal 20MHz
CSM4Z-A2B3C3-40-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM4 MHz Crystal 20MHz
CSM4Z-A2B3C3-40-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM4 MHz Crystal 20MHz
CSM4Z-A2B3C3-40-20.0D18 Cardinal Components Inc. CRYSTAL 20.0000MHZ 18PF SMD CSM4 MHz Crystal 20MHz
CSM4Z-A2B3C3-60-6.0D18 Cardinal Components Inc. CRYSTAL 6.0000MHZ 18PF SMD CSM4 MHz Crystal 6MHz
CSM4Z-A2B3C3-60-6.0D18 Cardinal Components Inc. CRYSTAL 6.0000MHZ 18PF SMD CSM4 MHz Crystal 6MHz
CSM4Z-A2B3C3-60-6.0D18 Cardinal Components Inc. CRYSTAL 6.0000MHZ 18PF SMD CSM4 MHz Crystal 6MHz
CSM4Z-A2B3C3-60-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM4 MHz Crystal 8MHz
CSM4Z-A2B3C3-60-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM4 MHz Crystal 8MHz
CSM4Z-A2B3C3-60-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM4 MHz Crystal 8MHz
CSM1Z-A1B2C3-90-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM1 MHz Crystal 8MHz
CSM1Z-A1B2C3-90-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM1 MHz Crystal 8MHz
CSM1Z-A1B2C3-90-8.0D18 Cardinal Components Inc. CRYSTAL 8.0000MHZ 18PF SMD CSM1 MHz Crystal 8MHz
CX532Z-A2B3C5-70-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CX532 MHz Crystal 12MHz
CX532Z-A2B3C5-70-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CX532 MHz Crystal 12MHz
CX532Z-A2B3C5-70-12.0D18 Cardinal Components Inc. CRYSTAL 12.0000MHZ 18PF SMD CX532 MHz Crystal 12MHz
CSM1Z-A5B2C5-40-11.0592D18 Cardinal Components Inc. CRYSTAL 11.0592MHZ 18PF SMD CSM1 MHz Crystal 11.0592MHz
CSM1Z-A5B2C5-40-11.0592D18 Cardinal Components Inc. CRYSTAL 11.0592MHZ 18PF SMD CSM1 MHz Crystal 11.0592MHz
CSM1Z-A5B2C5-40-11.0592D18 Cardinal Components Inc. CRYSTAL 11.0592MHZ 18PF SMD CSM1 MHz Crystal 11.0592MHz
CSM1Z-A0B2C3-50-15.360D18 Cardinal Components Inc. CRYSTAL 15.3600MHZ 18PF SMD CSM1 MHz Crystal 15.36MHz
CSM1Z-A0B2C3-50-15.360D18 Cardinal Components Inc. CRYSTAL 15.3600MHZ 18PF SMD CSM1 MHz Crystal 15.36MHz
CSM1Z-A0B2C3-50-15.360D18 Cardinal Components Inc. CRYSTAL 15.3600MHZ 18PF SMD CSM1 MHz Crystal 15.36MHz
CSM1Z-A0B2C3-50-19.6608D18 Cardinal Components Inc. CRYSTAL 19.6608MHZ 18PF SMD CSM1 MHz Crystal 19.6608MHz
CSM1Z-A0B2C3-50-19.6608D18 Cardinal Components Inc. CRYSTAL 19.6608MHZ 18PF SMD CSM1 MHz Crystal 19.6608MHz
CSM1Z-A0B2C3-50-19.6608D18 Cardinal Components Inc. CRYSTAL 19.6608MHZ 18PF SMD CSM1 MHz Crystal 19.6608MHz
CSM1Z-A5B2C3-40-14.7456D20 Cardinal Components Inc. CRYSTAL 14.7456MHZ 20PF SMD CSM1 MHz Crystal 14.7456MHz
CSM1Z-A5B2C3-40-14.7456D20 Cardinal Components Inc. CRYSTAL 14.7456MHZ 20PF SMD CSM1 MHz Crystal 14.7456MHz
CSM1Z-A5B2C3-40-14.7456D20 Cardinal Components Inc. CRYSTAL 14.7456MHZ 20PF SMD CSM1 MHz Crystal 14.7456MHz
CSM1Z-A0B2C3-80-13.5D18 Cardinal Components Inc. CRYSTAL 13.5000MHZ 18PF SMD CSM1 MHz Crystal 13.5MHz
CSM1Z-A0B2C3-80-13.5D18 Cardinal Components Inc. CRYSTAL 13.5000MHZ 18PF SMD CSM1 MHz Crystal 13.5MHz
CSM1Z-A0B2C3-80-13.5D18 Cardinal Components Inc. CRYSTAL 13.5000MHZ 18PF SMD CSM1 MHz Crystal 13.5MHz
CSM4Z-A2B3C3-40-29.49152D18-F Cardinal Components Inc. CRYSTAL 29.49152MHZ 18PF SMD CSM4 MHz Crystal 29.49152MHz
CSM4Z-A2B3C3-40-29.49152D18-F Cardinal Components Inc. CRYSTAL 29.49152MHZ 18PF SMD CSM4 MHz Crystal 29.49152MHz
CSM4Z-A2B3C3-40-29.49152D18-F Cardinal Components Inc. CRYSTAL 29.49152MHZ 18PF SMD CSM4 MHz Crystal 29.49152MHz
CSM1Z-A0B2C3-50-16.257D18 Cardinal Components Inc. CRYSTAL 16.2570MHZ 18PF SMD CSM1 MHz Crystal 16.257MHz
CSM1Z-A0B2C3-50-16.257D18 Cardinal Components Inc. CRYSTAL 16.2570MHZ 18PF SMD CSM1 MHz Crystal 16.257MHz

抖動在高性能設計中的重要性,抖動產(chǎn)生:隨著下一代串行標準數(shù)據(jù)速率的提高,模擬異常對信號完整性和質量的影響比以往任何時候都大。信號路徑中的導體,包括電路板跡線、過孔、連接器, 和反射表現(xiàn)出更大的傳輸線效應,降低了信號電平, 引起偏斜,增加噪聲,從而增加抖動。然而,一切都從基礎系統(tǒng)時鐘信號開始 (SYSCLK或主時鐘)。除了時鐘信號的顯著性能特征之外,創(chuàng)建 根據(jù)所用的架構和設計方法,信號可能相差10倍以上。幫助 實現(xiàn)一個沒有過多性能保護帶(因此沒有過多成本)的系統(tǒng)設計,本文 重點在于提供關于用于創(chuàng)建符合每種架構的時鐘信號的不同架構的更新 具體的高速串行數(shù)據(jù)(HSSD)實現(xiàn)方案。特定抖動類型、定義和合規(guī)性 測試方法已經(jīng)有了很好的記錄,這里不再贅述。

CSM1Z-A0B2C3-50-16.257D18 Cardinal Components Inc. CRYSTAL 16.2570MHZ 18PF SMD CSM1 MHz Crystal 16.257MHz
CSM1Z-A5B2C3-40-24.576D18 Cardinal Components Inc. CRYSTAL 24.5760MHZ 18PF SMD CSM1 MHz Crystal 24.576MHz
CSM1Z-A5B2C3-40-24.576D18 Cardinal Components Inc. CRYSTAL 24.5760MHZ 18PF SMD CSM1 MHz Crystal 24.576MHz
CSM1Z-A5B2C3-40-24.576D18 Cardinal Components Inc. CRYSTAL 24.5760MHZ 18PF SMD CSM1 MHz Crystal 24.576MHz
CSM1Z-A0B2C3-50-16.000312D18 Cardinal Components Inc. CRYSTAL 16.000312MHZ 18PF SMD CSM1 MHz Crystal 16.000312MHz
CSM1Z-A0B2C3-50-16.000312D18 Cardinal Components Inc. CRYSTAL 16.000312MHZ 18PF SMD CSM1 MHz Crystal 16.000312MHz
CSM1Z-A0B2C3-50-16.000312D18 Cardinal Components Inc. CRYSTAL 16.000312MHZ 18PF SMD CSM1 MHz Crystal 16.000312MHz
CSM1Z-A0B2C3-50-18.0D18 Cardinal Components Inc. CRYSTAL 18.0000MHZ 18PF SMD CSM1 MHz Crystal 18MHz
CSM1Z-A0B2C3-50-18.0D18 Cardinal Components Inc. CRYSTAL 18.0000MHZ 18PF SMD CSM1 MHz Crystal 18MHz
CSM1Z-A0B2C3-50-18.0D18 Cardinal Components Inc. CRYSTAL 18.0000MHZ 18PF SMD CSM1 MHz Crystal 18MHz
CSM1Z-A0B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A0B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A0B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C3-200-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A0B2C3-150-4.9152D18 Cardinal Components Inc. CRYSTAL 4.9150MHZ 18PF SMD CSM1 MHz Crystal 4.915MHz
CSM1Z-A0B2C3-150-4.9152D18 Cardinal Components Inc. CRYSTAL 4.9150MHZ 18PF SMD CSM1 MHz Crystal 4.915MHz
CSM1Z-A0B2C3-150-4.9152D18 Cardinal Components Inc. CRYSTAL 4.9150MHZ 18PF SMD CSM1 MHz Crystal 4.915MHz
CSM1Z-A0B2C3-40-25.0D18 Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CSM1Z-A0B2C3-40-25.0D18 Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CSM1Z-A0B2C3-40-25.0D18 Cardinal Components Inc. CRYSTAL 25.0000MHZ 18PF SMD CSM1 MHz Crystal 25MHz
CSM1Z-A5B2C5-70-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A5B2C5-70-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A5B2C5-70-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A0B2C3-50-25.175D18 Cardinal Components Inc. CRYSTAL 25.1750MHZ 18PF SMD CSM1 MHz Crystal 25.175MHz
CSM1Z-A0B2C3-50-25.175D18 Cardinal Components Inc. CRYSTAL 25.1750MHZ 18PF SMD CSM1 MHz Crystal 25.175MHz
CSM1Z-A0B2C3-50-25.175D18 Cardinal Components Inc. CRYSTAL 25.1750MHZ 18PF SMD CSM1 MHz Crystal 25.175MHz
CSM1Z-A5B2C3-120-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1Z-A5B2C3-120-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1Z-A5B2C3-120-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1-A1B2C3-50-20.0D16 Cardinal Components Inc. CRYSTAL 20.0000MHZ 16PF SMD CSM1 MHz Crystal 20MHz
CSM1-A1B2C3-50-20.0D16 Cardinal Components Inc. CRYSTAL 20.0000MHZ 16PF SMD CSM1 MHz Crystal 20MHz
CSM1-A1B2C3-50-20.0D16 Cardinal Components Inc. CRYSTAL 20.0000MHZ 16PF SMD CSM1 MHz Crystal 20MHz
CSM1Z-A5B2C5-150-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C5-150-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C5-150-3.6864D18 Cardinal Components Inc. CRYSTAL 3.6864MHZ 18PF SMD CSM1 MHz Crystal 3.6864MHz
CSM1Z-A5B2C5-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A5B2C5-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A5B2C5-40-10.0D18 Cardinal Components Inc. CRYSTAL 10.0000MHZ 18PF SMD CSM1 MHz Crystal 10MHz
CSM1Z-A0B2C3-50-27.0D18 Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A0B2C3-50-27.0D18 Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A0B2C3-50-27.0D18 Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A0B2C3-100-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CSM1 MHz Crystal 7.3728MHz
CSM1Z-A0B2C3-100-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CSM1 MHz Crystal 7.3728MHz
CSM1Z-A0B2C3-100-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CSM1 MHz Crystal 7.3728MHz
CSM1Z-A0B2C3-100-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1Z-A0B2C3-100-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1Z-A0B2C3-100-6.144D18 Cardinal Components Inc. CRYSTAL 6.1440MHZ 18PF SMD CSM1 MHz Crystal 6.144MHz
CSM1Z-A5B2C3-40-27.0D18-F Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A5B2C3-40-27.0D18-F Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A5B2C3-40-27.0D18-F Cardinal Components Inc. CRYSTAL 27.0000MHZ 18PF SMD CSM1 MHz Crystal 27MHz
CSM1Z-A5B2C3-120-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CSM1 MHz Crystal 7.3728MHz
CSM1Z-A5B2C3-120-7.3728D18 Cardinal Components Inc. CRYSTAL 7.3728MHZ 18PF SMD CSM1 MHz Crystal 7.3728MHz

抖動在高性能設計中的重要性,用來創(chuàng)建系統(tǒng)時鐘的普遍基礎組件是石英晶體振蕩器(“XO”),這是一項已經(jīng)使用多年的成熟技術。晶體振蕩器本身具有固有的抖動特性 它們的輸出抖動因設計/電路而異,其單價也是如此。智能系統(tǒng)設計師意識到系統(tǒng)/產(chǎn)品/設計的總成本本身就是一個需要滿足的“規(guī)格”。這篇文章描述了每一個 信號創(chuàng)建方法以及推薦表,以幫助潛在用戶避免招致不必要的高元件成本。

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