ECS晶体振荡器设计应用笔记
ECS晶体振荡器设计应用笔记
振荡器
振荡器原理
图1–显示振荡条件的振荡器反馈环路
图2–使用带反相器和反馈电阻的处理器的皮尔斯振荡器设计。
启动时间
电抗
图3–电抗与频率的关系曲线
串联电路
图4–串联谐振电路
并联电路
图5–并联谐振电路
调节频率“拉动”
负载电容
图6–频率与负载电容的关系
驱动电平
负阻
振荡器跨导
g麦克里特
频率与泛音模式
图7–串联谐振电路的修改
图8–并联谐振电路的修改
设计考虑
[1] 声表面波–声表面波(SAW)谐振器。单端口SAW谐振器具有一个制作在石英衬底上的IDT(叉指换能器),它产生并接收SAW。该设计有两个光栅反射器,这些反射器反射SAW并在两个反射器之间产生驻波。然后,它被转换回电信号。
[2] MEMS–微机电系统。MEMS谐振器是一种硅器件,它使用纳米谐振结构来产生振动结构。
晶振编码查询
品牌
型号
频率
工作温度
Size / Dimension 尺寸
ECS-2520S25-240-FN-TR
ECS晶振
ECS-2520S
24MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S25-500-FN-TR
ECS晶振
ECS-2520S
50MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-100-FN-TR
ECS晶振
ECS-2520S
10MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-120-FN-TR
ECS晶振
ECS-2520S
12MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-160-FN-TR
ECS晶振
ECS-2520S
16MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-240-FN-TR
ECS晶振
ECS-2520S
24MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-250-FN-TR
ECS晶振
ECS-2520S
25MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-260-FN-TR
ECS晶振
ECS-2520S
26MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-320-FN-TR
ECS晶振
ECS-2520S
32MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-400-FN-TR
ECS晶振
ECS-2520S
40MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-500-FN-TR
ECS晶振
ECS-2520S
50MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-100-FN-TR
ECS晶振
ECS-2520S
10MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-400-FN-TR
ECS晶振
ECS-2520S
40MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S18-200-FN-TR
ECS晶振
ECS-2520S
20MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-500-FN-TR
ECS晶振
ECS-2520S
50MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-320-FN-TR
ECS晶振
ECS-2520S
32MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S25-250-FN-TR
ECS晶振
ECS-2520S
25MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-240-FN-TR
石英晶振
ECS-2520S
24MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-160-FN-TR
ECS晶振
ECS-2520S
16MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-200-FN-TR
ECS晶振
ECS-2520S
20MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-260-FN-TR
ECS晶振
ECS-2520S
26MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-120-FN-TR
ECS晶振
ECS-2520S
12MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-250-FN-TR
ECS晶振
ECS-2520S
25MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-050-EN-TR
ECS晶振
ECS-2520S
5MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-100-EN-TR
ECS晶振
ECS-2520S
10MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-120-EN-TR
ECS晶振
ECS-2520S
12MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-160-EN-TR
ECS晶振
ECS-2520S
16MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-200-EN-TR
ECS晶振
ECS-2520S
20MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-240-EN-TR
ECS晶振
ECS-2520S
24MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-250-EN-TR
ECS晶振
ECS-2520S
25MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-260-EN-TR
ECS晶振
ECS-2520S
26MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-320-EN-TR
ECS晶振
ECS-2520S
32MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
ECS-2520S33-400-EN-TR
ECS晶振
ECS-2520S
40MHz
-40°C ~ 85°C
0.098" L x 0.079" W (2.50mm x 2.00mm)
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