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首頁晶振行業(yè)動(dòng)態(tài) 維管晶振補(bǔ)償網(wǎng)絡(luò)驅(qū)動(dòng)牽引網(wǎng)絡(luò),調(diào)整振蕩器的頻率

維管晶振補(bǔ)償網(wǎng)絡(luò)驅(qū)動(dòng)牽引網(wǎng)絡(luò),調(diào)整振蕩器的頻率

來源：http://m.review-result.com 作者：億金電子 2022年05月18
    實(shí)現(xiàn)這一目標(biāo)的方法隨著時(shí)間的推移而發(fā)生了變化。最早使用的方法之一是直接補(bǔ)償技術(shù)，其中使用熱敏電阻、電容器和電阻器網(wǎng)絡(luò)直接控制振蕩器的頻率。溫度的變化會(huì)導(dǎo)致熱敏電阻發(fā)生變化，從而導(dǎo)致網(wǎng)絡(luò)的等效串聯(lián)電容發(fā)生變化——這反過來會(huì)改變晶體上的電容負(fù)載，從而導(dǎo)致頻率的變化振蕩器。
DSC1123CI2-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1123CI2-200.0000 DSC1123 200MHz 2.25V~3.6V
DSC1123AE2-100.0000 DSC1123 100MHz 2.25V~3.6V
DSC1001CI2-027.0000 DSC1001 27MHz 1.8V~3.3V
DSC1123CE1-156.2500 DSC1123 156.25MHz 2.25V~3.6V
DSC1123CI2-150.0000 DSC1123 150MHz 2.25V~3.6V
DSC1123CI2-100.0000 DSC1123 100MHz 2.25V~3.6V
DSC1103DI2-312.5000 DSC1103 312.5MHz 2.25V~3.6V
DSC1123DI2-050.0000 DSC1123 50MHz 2.25V~3.6V
DSC1123CI2-156.2500 DSC1123 156.25MHz 2.25V~3.6V
DSC1123BL2-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1123CI5-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1103CI5-300.0000 DSC1103 300MHz 2.25V~3.6V
DSC1123DL5-200.0000 DSC1123 200MHz 2.25V~3.6V
DSC1123NL5-100.0000 DSC1123 100MHz 2.25V~3.6V
MX574BBD322M265 MX57 322.265625MHz 2.375V~3.63V
DSC1001CI2-018.4320 DSC1001 18.432MHz 1.8V~3.3V
DSC1123CI1-200.0000 DSC1123 200MHz 2.25V~3.6V
DSC1123CI1-156.2500 DSC1123 156.25MHz 2.25V~3.6V
DSC1123AE2-300.0000 DSC1123 300MHz 2.25V~3.6V
DSC1123AI1-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1123AI2-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1122CE1-125.0000 DSC1122 125MHz 2.25V~3.6V
DSC1123AE2-200.0000 DSC1123 200MHz 2.25V~3.6V
DSC1103CI1-075.0000 DSC1103 75MHz 2.25V~3.6V
DSC1123AI2-150.0000 DSC1123 150MHz 2.25V~3.6V
DSC1123AI1-200.0000 DSC1123 200MHz 2.25V~3.6V
DSC557-0344SI1 DSC557-03 100MHz 2.25V~3.6V
DSC6003CI1A-033.0000 DSC60XX 33MHz 1.71V~3.63V
DSC6111CI1A-008.0000 DSC6100 8MHz 1.71V~3.63V
    熱敏電阻（RT1至RT3）和電阻器（R1至R3）網(wǎng)絡(luò)用于產(chǎn)生與溫度相關(guān)的電壓。網(wǎng)絡(luò)的輸出電壓經(jīng)過濾波，然后用于驅(qū)動(dòng)變?nèi)荻O管，該變?nèi)荻O管改變晶體兩端的負(fù)載，再次導(dǎo)致頻率變化。
DSC6011JI1A-024.0000 DSC60XX 24MHz 1.71V~3.63V
DSC6083CI2A-032K800 DSC60XX 32.8kHz 1.71V~3.63V
DSC6083CI2A-307K000 DSC60XX 307kHz 1.71V~3.63V
DSC6001CI2A-004.0000 DSC60XX 4MHz 1.71V~3.63V
DSC6001CI2A-032.0000 DSC60XX 32MHz 1.71V~3.63V
DSC6083CI2A-250K000 DSC60XX 250kHz 1.71V~3.63V
DSC6083CI2A-002K000 DSC60XX 2kHz 1.71V~3.63V
DSC6101JI2A-024.0000 DSC6100 24MHz 1.71V~3.63V
DSC1001CC1-047.3333 DSC1001 47.3333MHz 1.8V~3.3V
DSC1030BC1-008.0000 DSC1030 8MHz 3V
DSC1001BC1-024.0000 DSC1001 24MHz 1.8V~3.3V
DSC1033BC1-026.6000 DSC1033 26MHz 3.3V
DSC1001DI1-001.8432 DSC1001 1.8432MHz 1.8V~3.3V
DSC1033CI1-048.0000 DSC1033 48MHz 3.3V
DSC1033CI1-024.0000 DSC1033 24MHz 3.3V
DSC1033DI1-012.0000 DSC1033 12MHz 3.3V
DSC1033DI1-036.0000 DSC1033 36MHz 3.3V
DSC1001CI1-027.0000 DSC1001 27MHz 1.8V~3.3V
DSC1033CI1-050.0000 DSC1033 50MHz 3.3V
DSC6001CI1A-011.0592 DSC60XX 11.0592MHz 1.71V~3.63V
DSC1001CI2-024.0000 DSC1001 24MHz 1.8V~3.3V
DSC1033BE2-024.0000 DSC1033 24MHz 3.3V
DSC1001DI2-038.4000 DSC1001 38.4MHz 1.8V~3.3V
DSC1001CI5-033.3333 DSC1001 33.3333MHz 1.8V~3.3V
DSC1101DM2-012.0000 DSC1101 12MHz 2.25V~3.6V
DSC1001DE5-018.4320 DSC1001 18.432MHz 1.8V~3.3V
DSC1101AI2-040.0000 DSC1101 40MHz 2.25V~3.6V
DSC1101AI2-080.0000 DSC1101 80MHz 2.25V~3.6V
DSC1101AI2-064.0000 DSC1101 64MHz 2.25V~3.6V
DSC1124CI5-100.0000 DSC1124 100MHz 2.25V~3.6V
DSC1121CM2-040.0000 DSC1121 40MHz 2.25V~3.6V
DSC1101DL5-020.0000 DSC1101 20MHz 2.25V~3.6V
DSC1101BI5-133.0000 DSC1101 133MHz 2.25V~3.6V
DSC1101CL5-100.0000 DSC1101 100MHz 2.25V~3.6V
DSC1122NE1-025.0000 DSC1122 25MHz 2.25V~3.6V
    當(dāng)前的方法將補(bǔ)償網(wǎng)絡(luò)和拉動(dòng)網(wǎng)絡(luò)集成到一個(gè)集成電路中，補(bǔ)償網(wǎng)絡(luò)的作用由一組運(yùn)算放大器發(fā)揮作用，這些運(yùn)算放大器相加在一起會(huì)在整個(gè)溫度范圍內(nèi)產(chǎn)生3階或5階函數(shù)。與間接補(bǔ)償方法一樣，該電壓用于驅(qū)動(dòng)變?nèi)荻O管，進(jìn)而改變振蕩器的輸出頻率。由于晶體特性的變化意味著不存在“一刀切”的功能，因此該解決方案是在TCXO的溫度測(cè)試期間得出的。使用兩個(gè)電容陣列將室溫下的頻率調(diào)整到標(biāo)稱值，然后在測(cè)試過程中獲得溫度補(bǔ)償功能所需的設(shè)置并存儲(chǔ)在片上存儲(chǔ)器中。
DSC1123CE1-125.0000 DSC1123 125MHz 2.25V~3.6V
DSC1122DI2-200.0000 DSC1122 200MHz 2.25V~3.6V
DSC1123CI2-333.3333 DSC1123 333.3333MHz 2.25V~3.6V
DSC1123CI2-020.0000 DSC1123 20MHz 2.25V~3.6V
DSC1103CE1-125.0000 DSC1103 125MHz 2.25V~3.6V
DSC1123CI1-027.0000 DSC1123 27MHz 2.25V~3.6V
DSC1123CI2-333.3300 DSC1123 333.33MHz 2.25V~3.6V
DSC1123AI2-156.2570 DSC1123 156.257MHz 2.25V~3.6V
DSC1123AI2-148.5000 DSC1123 148.5MHz 2.25V~3.6V
DSC1123BL5-156.2500 DSC1123 156.25MHz 2.25V~3.6V
DSC1123BI2-100.0000 DSC1123 100MHz 2.25V~3.6V
DSC1103BI2-148.5000 DSC1103 148.5MHz 2.25V~3.6V
DSC1103BI2-135.0000 DSC1103 135MHz 2.25V~3.6V
DSC1102BI2-125.0000 DSC1102 125MHz 2.25V~3.6V
DSC1102BI2-153.6000 DSC1102 153.6MHz 2.25V~3.6V
DSC1123CI5-100.0000 DSC1123 100MHz 2.25V~3.6V
DSC1123CI5-156.2500 DSC1123 156.25MHz 2.25V~3.6V
DSC1123DL1-125.0000 DSC1123 125MHz 2.25V~3.6V
MX575ABC70M0000 MX57 70MHz 2.375V~3.63V
MX553BBD156M250 MX55 156.25MHz 2.375V~3.63V
MX575ABB50M0000 MX57 50MHz 2.375V~3.63V
MX573LBB148M500 MX57 148.5MHz 2.375V~3.63V
MX554BBD322M265 MX55 322.265625MHz 2.375V~3.63V
MX573NBB311M040 MX57 311.04MHz 2.375V~3.63V
MX573NBD311M040 MX57 311.04MHz 2.375V~3.63V
MX573NBA622M080 MX57 622.08MHz 2.375V~3.63V
DSC1033DC1-012.0000 DSC1033 12MHz 3.3V
DSC1001CI2-066.6666B DSC1001 66.6666MHz 1.8V~3.3V
DSC1001CI2-066.6666B DSC1001 66.6666MHz 1.8V~3.3V
DSC1001CI2-066.6666B DSC1001 66.6666MHz 1.8V~3.3V
DSC1001DI1-026.0000T DSC1001 26MHz 1.8V~3.3V
DSC1001DI1-026.0000T DSC1001 26MHz 1.8V~3.3V
DSC1001DI1-026.0000T DSC1001 26MHz 1.8V~3.3V
DSC1101CM2-062.2080T DSC1101 62.208MHz 2.25V~3.6V
DSC1101CM2-062.2080T DSC1101 62.208MHz 2.25V~3.6V
DSC1101CM2-062.2080T DSC1101 62.208MHz 2.25V~3.6V
DSC1121DM1-033.3333 DSC1121 33.3333MHz 2.25V~3.6V
DSC1001DI2-004.0960T DSC1001 4.096MHz 1.8V~3.3V
DSC1001DI2-004.0960T DSC1001 4.096MHz 1.8V~3.3V
DSC1001DI2-004.0960T DSC1001 4.096MHz 1.8V~3.3V
    TCXO晶振對(duì)工程師很有用，因?yàn)樗鼈兛梢栽谌魏蔚胤将@得比標(biāo)準(zhǔn)VCXO高10倍到40倍的溫度穩(wěn)定性，同時(shí)具有相同的功耗和電路板上的占位面積。TCXO彌合了標(biāo)準(zhǔn)XO或VCXO與OCXO之間的差距，后者更昂貴且需要更多功率才能運(yùn)行。技術(shù)的推動(dòng)力是降低功耗，當(dāng)然還有降低成本，因此TCXO為功率和成本敏感的應(yīng)用提供了良好的中檔解決方案。
DSC1121BM1-024.0000 DSC1121 24MHz 2.25V~3.6V
DSC1101CI5-020.0000T DSC1101 20MHz 2.25V~3.6V
DSC1101CI5-020.0000T DSC1101 20MHz 2.25V~3.6V
DSC1101CI5-020.0000T DSC1101 20MHz 2.25V~3.6V
DSC1123CI2-125.0000T DSC1123 125MHz 2.25V~3.6V
DSC1101CL5-014.7456 DSC1101 14.7456MHz 2.25V~3.6V
DSC1104BE2-100.0000 DSC1104 100MHz 2.25V~3.6V
DSC1123AI2-062.5000T DSC1123 62.5MHz 2.25V~3.6V
DSC1123AI2-062.5000T DSC1123 62.5MHz 2.25V~3.6V
DSC1123AI2-062.5000T DSC1123 62.5MHz 2.25V~3.6V
DSC1103BI2-100.0000T DSC1103 100MHz 2.25V~3.6V
DSC1103BI2-100.0000T DSC1103 100MHz 2.25V~3.6V
DSC1103BI2-100.0000T DSC1103 100MHz 2.25V~3.6V
DSC1121BI2-080.0000 DSC1121 80MHz 2.25V~3.6V
DSC1124CI2-156.2500 DSC1124 156.25MHz 2.25V~3.6V
DSC1124CI5-100.0000T DSC1124 100MHz 2.25V~3.6V
DSC1124CI5-100.0000T DSC1124 100MHz 2.25V~3.6V
DSC1124CI5-100.0000T DSC1124 100MHz 2.25V~3.6V
DSC1101DL5-052.8000 DSC1101 52.8MHz 2.25V~3.6V
DSC1104CI5-125.0000 DSC1104 125MHz 2.25V~3.6V
DSC1001DL5-020.0000T DSC1001 20MHz 1.8V~3.3V
DSC1001DL5-020.0000T DSC1001 20MHz 1.8V~3.3V
DSC1001DL5-020.0000T DSC1001 20MHz 1.8V~3.3V
DSC1001DL5-024.0000T DSC1001 24MHz 1.8V~3.3V
DSC1001DL5-024.0000T DSC1001 24MHz 1.8V~3.3V
DSC1001DL5-024.0000T DSC1001 24MHz 1.8V~3.3V
DSC1123DI2-100.0000B DSC1123 100MHz 2.25V~3.6V
DSC1123DI2-100.0000B DSC1123 100MHz 2.25V~3.6V
DSC1123DI2-100.0000B DSC1123 100MHz 2.25V~3.6V
DSC1123CI1-022.8800T DSC1123 22.88MHz 2.25V~3.6V
DSC1123CI1-022.8800T DSC1123 22.88MHz 2.25V~3.6V
DSC1123CI1-022.8800T DSC1123 22.88MHz 2.25V~3.6V
DSC1123CI2-212.5000 DSC1123 212.5MHz 2.25V~3.6V
DSC1122CI2-103.1250 DSC1122 103.125MHz 2.25V~3.6V
DSC1123CI1-122.8800 DSC1123 122.88MHz 2.25V~3.6V

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