ECS微型高精密的ECX-2236SMD晶体,非常适合SMD制造环境的理想选择ECS-200-8-36CKM-TR
ECS微型高精密的ECX-2236SMD晶体,非常适合SMD制造环境的理想选择ECS-200-8-36CKM-TR
ECS Inc. International's Surface Mount Crystals provide high reliability and long-term stability. SMD Crystals are ideal for microprocessor, IoT, wearable, and many additional applications. Crystal products can be supplied at custom and standard frequencies. ECS crystals can be customized with tight stability and low equivalent series resistance (ESR), with customer specified pullability. ECS has the broadest package sizes in the industry with crystals as small as 1.2 x 1.0 mm package and wide temperature ranges up to +150°C.
ECS晶振表面贴装晶体提供高可靠性和长期稳定性。SMD晶体非常适合微处理器、物联网、可穿戴设备和许多其他应用。水晶产品可以定制和标准频率提供。ECS晶体可以定制,具有严格的稳定性和低等效串联电阻 (ESR),具有客户指定的可拉性。ECS拥有业界最广泛的封装尺寸,晶体封装小至1.2 x 1.0mm,温度范围高达 +150°C。
ECS-300-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 30MHz | -20°C ~ 70°C |
ECS-300-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 30MHz | -20°C ~ 70°C |
ECS-40-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 4MHz | -55°C ~ 125°C |
ECS-40-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 4MHz | -55°C ~ 125°C |
ECS-40-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 4MHz | -55°C ~ 125°C |
ECS-80-18-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 8MHz | -40°C ~ 85°C |
ECS-80-18-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 8MHz | -40°C ~ 85°C |
ECS-80-18-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 8MHz | -40°C ~ 85°C |
ECS-73-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 7.3728MHz | -40°C ~ 85°C |
ECS-73-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 7.3728MHz | -40°C ~ 85°C |
ECS-73-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 7.3728MHz | -40°C ~ 85°C |
ECS-160-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-100-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 10MHz | -55°C ~ 125°C |
ECS-100-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 10MHz | -55°C ~ 125°C |
ECS-100-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 10MHz | -55°C ~ 125°C |
ECS-160-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 16MHz | -20°C ~ 70°C |
ECS-160-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 16MHz | -20°C ~ 70°C |
ECS-160-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 16MHz | -20°C ~ 70°C |
ECS-320-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-320-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-320-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-147-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.7456MHz | -40°C ~ 85°C |
ECS-147-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.7456MHz | -40°C ~ 85°C |
ECS-147-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.7456MHz | -40°C ~ 85°C |
ECS-240-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 24MHz | -40°C ~ 85°C |
等效电路常数:图 1.2 显示了陶瓷谐振器的符号。端子间测量的阻抗和相位特性如图 1.5 所示。该图说明谐振器在提供最小阻抗的频率fr(谐振频率)和提供最大阻抗的频率fa(反谐振频率)之间的频率范围内变为电感性的。它在其他频率范围内变为电容性。这意味着两端谐振器的机械振荡可以用由电感器 L、电容器 C 和电阻器 R 串联和并联谐振电路组合而成的等效电路代替。在谐振频率附近, 等效电路可表示为图 1.4 所示。fr 和 fa 频率由压电陶瓷材料及其物理参数决定。等效电路常数可由以下公式确定:
考虑到fr<f<fa 的有限频率范围,阻抗为Z=Re+jwLe (Le<=0),如图1.5 所示。陶瓷谐振器应作为具有损耗 Re () 的电感器 Le (H) 运行。图 1.1 显示了陶瓷谐振器和石英晶体谐振器之间等效电路常数的比较。请注意,电容和 Qm 存在很大差异,这导致实际操作时振荡条件的差异。附录中的表格显示了每种陶瓷谐振器的等效电路常数的标准值。除了所需的振荡模式之外,还存在其他振荡模式的高次谐波。因为陶瓷谐振器使用机械谐振,所以存在这些其他振荡模式。ECS微型高精密的ECX-2236SMD晶体,非常适合SMD制造环境的理想选择ECS-200-8-36CKM-TR
ECS-240-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-240-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-320-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-320-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-320-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 32MHz | -20°C ~ 70°C |
ECS-160-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-160-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 16MHz | -40°C ~ 85°C |
ECS-200-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-200-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-200-20-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-36-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-36-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-36-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-60-32-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 6MHz | -40°C ~ 85°C |
ECS-60-32-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 6MHz | -40°C ~ 85°C |
ECS-60-32-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 6MHz | -40°C ~ 85°C |
ECS-250-20-5PXDU-F-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 25MHz | -55°C ~ 125°C |
ECS-250-20-5PXDU-F-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 25MHz | -55°C ~ 125°C |
ECS-250-20-5PXDU-F-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 25MHz | -55°C ~ 125°C |
ECS-120-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-120-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-120-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-250-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 25MHz | -20°C ~ 70°C |
ECS-250-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 25MHz | -20°C ~ 70°C |
ECS-250-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 25MHz | -20°C ~ 70°C |
ECS-36-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-36-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-36-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 3.6864MHz | -40°C ~ 85°C |
ECS-35-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 3.579545MHz | -55°C ~ 125°C |
ECS-35-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 3.579545MHz | -55°C ~ 125°C |
ECS-35-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 3.579545MHz | -55°C ~ 125°C |
ECS-250-18-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 25MHz | -40°C ~ 85°C |
ECS-250-18-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 25MHz | -40°C ~ 85°C |
ECS-250-18-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 25MHz | -40°C ~ 85°C |
ECS-120-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 12MHz | -20°C ~ 70°C |
ECS-120-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 12MHz | -20°C ~ 70°C |
ECS-120-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 12MHz | -20°C ~ 70°C |
ECS-40-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 4MHz | -40°C ~ 85°C |
ECS-40-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 4MHz | -40°C ~ 85°C |
ECS-40-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 4MHz | -40°C ~ 85°C |
ECS-120-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-120-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-120-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 12MHz | -40°C ~ 85°C |
ECS-240-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-240-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-240-20-5PDN-TR | ECS晶振 | CSM-7 | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-196-S-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 19.6608MHz | -40°C ~ 85°C |
ECS-196-S-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 19.6608MHz | -40°C ~ 85°C |
ECS-196-S-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 19.6608MHz | -40°C ~ 85°C |
一般来说,振荡电路可分为以下三种类型:
1. 正面反馈
2.负电阻元件
3. 对于陶瓷谐振器、石英晶体谐振器和 LC振荡器的传输时间或相位延迟,正反馈是首选电路。
在使用 LC 的正反馈振荡电路中,通常使用 Colpitts 和 Hartley 的调谐型反耦合振荡电路。参见图 1.7。
在图 1.7 中,使用了晶体管,它是最基本的放大器。
ECS-240-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-240-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-240-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 24MHz | -40°C ~ 85°C |
ECS-60-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 6MHz | -55°C ~ 125°C |
ECS-60-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 6MHz | -55°C ~ 125°C |
ECS-60-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 6MHz | -55°C ~ 125°C |
ECS-120-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 12MHz | -55°C ~ 125°C |
ECS-120-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 12MHz | -55°C ~ 125°C |
ECS-120-18-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 12MHz | -55°C ~ 125°C |
ECS-147.4-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 14.7456MHz | -55°C ~ 125°C |
ECS-147.4-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 14.7456MHz | -55°C ~ 125°C |
ECS-147.4-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 14.7456MHz | -55°C ~ 125°C |
ECS-160-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 16MHz | -55°C ~ 125°C |
ECS-160-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 16MHz | -55°C ~ 125°C |
ECS-160-20-5PXDU-TR | ECS晶振 | CSM-7X-DU | MHz Crystal | 16MHz | -55°C ~ 125°C |
ECS-200-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 20MHz | -20°C ~ 70°C |
ECS-200-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 20MHz | -20°C ~ 70°C |
ECS-200-8-36CKM-TR | ECS晶振 | ECX-2236 | MHz Crystal | 20MHz | -20°C ~ 70°C |
ECS-122.8-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12.288MHz | -40°C ~ 85°C |
ECS-122.8-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12.288MHz | -40°C ~ 85°C |
ECS-122.8-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 12.288MHz | -40°C ~ 85°C |
ECS-135.6-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 13.56MHz | -40°C ~ 85°C |
ECS-135.6-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 13.56MHz | -40°C ~ 85°C |
ECS-135.6-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 13.56MHz | -40°C ~ 85°C |
ECS-143-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.31818MHz | -40°C ~ 85°C |
ECS-143-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.31818MHz | -40°C ~ 85°C |
ECS-143-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 14.31818MHz | -40°C ~ 85°C |
ECS-200-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-200-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-200-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 20MHz | -40°C ~ 85°C |
ECS-270-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 27MHz | -40°C ~ 85°C |
ECS-270-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 27MHz | -40°C ~ 85°C |
ECS-270-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 27MHz | -40°C ~ 85°C |
ECS-400-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 40MHz | -40°C ~ 85°C |
ECS-400-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 40MHz | -40°C ~ 85°C |
ECS-400-18-23A-EN-TR | ECS晶振 | ECX-64A | MHz Crystal | 40MHz | -40°C ~ 85°C |
ECS-049-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 4.9152MHz | -40°C ~ 85°C |
ECS-049-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 4.9152MHz | -40°C ~ 85°C |
ECS-049-20-5PXDN-TR | ECS晶振 | CSM-7X-DN | MHz Crystal | 4.9152MHz | -40°C ~ 85°C |
ECS-100-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 10MHz | -20°C ~ 70°C |
ECS-100-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 10MHz | -20°C ~ 70°C |
ECS-100-8-30B-CKM | ECS晶振 | ECX-53B | MHz Crystal | 10MHz | -20°C ~ 70°C |
在陶瓷谐振器振荡器中,电感器被陶瓷谐振器取代,利用了谐振器在谐振频率和反谐振频率之间变为感应的事实。最常用的电路是 Colpitts 电路。
这些振荡电路的工作原理见图2.1。当满足以下条件时发生振荡。回路增益: G= a : B> 1相位量:
在 Colpitts电路中,使用了180的反相,在反馈电路中使用 L和C反相大于 =180。与陶瓷谐振器的操作可以认为是相同的。
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