2520石英晶振Q24FA20H0010000爱普生振荡器电路组成与设计说明
2520石英晶振Q24FA20H0010000爱普生振荡器电路组成与设计说明
石英振荡电路的形式很多,但基本电路只有两类：爱普生晶振并联晶体振荡器和串联晶体振荡器.前者石英晶体是以并联谐振的形式出现,而后者则是以串联谐振的形式出现.石英振荡电路主要由IC、石英谐振器XTAL、电阻、PCB等组成,下面对各组成部分做简单说明.2520石英晶振,Q24FA20H0010000爱普生振荡器
爱普生晶振编码
长x宽x高
型号
石英晶振频率
负载
频率25°C
频率公差
工作温度范围
ESR最大
驱动电平
Q24FA20H0007900
2.5 x 2 x 0.55mm
FA-20H
26.000000 MHz
16 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0008500
2.5 x 2 x 0.55mm
FA-20H
24.000000 MHz
10 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0008600
2.5 x 2 x 0.55mm
FA-20H
24.576000 MHz
8 pF
+/-15 ppm
+/-15 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0008700
2.5 x 2 x 0.55mm
FA-20H
30.000000 MHz
10 pF
+/-10 ppm
+/-10 ppm
-20 to +70 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0009200
2.5 x 2 x 0.55mm
FA-20H
24.000000 MHz
10 pF
+/-10 ppm
+/-20 ppm
-40 to +85 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0009300
2.5 x 2 x 0.55mm
FA-20H
12.000000 MHz
10 pF
+/-30 ppm
+/-30 ppm
-20 to +70 °C
≤ 150 Ω
≤ 100 µW
Q24FA20H0009500
2.5 x 2 x 0.55mm
FA-20H
27.000000 MHz
7 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0009700
2.5 x 2 x 0.55mm
FA-20H
40.000000 MHz
10 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 40 Ω
≤ 100 µW
Q24FA20H0010000
2.5 x 2 x 0.55mm
FA-20H
16.000000 MHz
20 pF
+/-20 ppm
+/-20 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0010600
2.5 x 2 x 0.55mm
FA-20H
32.000000 MHz
12 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 50 Ω
≤ 100 µW
Q24FA20H0011400
2.5 x 2 x 0.55mm
FA-20H
25.000000 MHz
10 pF
+/-10 ppm
+/-20 ppm
-40 to +85 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0011500
2.5 x 2 x 0.55mm
FA-20H
25.000000 MHz
8 pF
+/-30 ppm
+/-30 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0011600
2.5 x 2 x 0.55mm
FA-20H
25.000000 MHz
18 pF
+/-30 ppm
+/-30 ppm
-30 to +85 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0011800
2.5 x 2 x 0.55mm
FA-20H
27.120000 MHz
18 pF
+/-10 ppm
+/-20 ppm
-20 to +70 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0012200
2.5 x 2 x 0.55mm
FA-20H
16.000000 MHz
9 pF
+/-10 ppm
+/-22 ppm
-40 to +85 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0012600
2.5 x 2 x 0.55mm
FA-20H
26.000000 MHz
15 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0012800
2.5 x 2 x 0.55mm
FA-20H
20.000000 MHz
8 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0013200
2.5 x 2 x 0.55mm
FA-20H
24.576000 MHz
8 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 80 Ω
≤ 100 µW
Q24FA20H0013700
2.5 x 2 x 0.55mm
FA-20H
26.000000 MHz
8 pF
+/-10 ppm
+/-10 ppm
-20 to +80 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0013900
2.5 x 2 x 0.55mm
FA-20H
30.000000 MHz
8 pF
+/-30 ppm
+/-30 ppm
-40 to +85 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0014700
2.5 x 2 x 0.55mm
FA-20H
27.000000 MHz
10 pF
+/-10 ppm
+/-20 ppm
-40 to +85 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0015000
2.5 x 2 x 0.55mm
FA-20H
26.000000 MHz
8 pF
+/-30 ppm
+/-30 ppm
-20 to +85 °C
≤ 60 Ω
≤ 100 µW
Q24FA20H0015100
2.5 x 2 x 0.55mm
FA-20H
32.000000 MHz
16 pF
+/-10 ppm
+/-10 ppm
-20 to +75 °C
≤ 50 Ω
≤ 100 µW
Q24FA20H0015200
2.5 x 2 x 0.55mm
FA-20H
12.000000 MHz
10 pF
+/-30 ppm
+/-30 ppm
-20 to +75 °C
≤ 150 Ω
≤ 100 µW
Q24FA20H0015300
2.5 x 2 x 0.55mm
FA-20H
24.000000 MHz
12 pF
+/-10 ppm
+/-15 ppm
-30 to +85 °C
≤ 80 Ω
≤ 100 µW
石英谐振器XTAL:频率大于1MHz的谐振器应选用ATMODE,可根据用户的需要选择合适的外形尺寸和封装的晶体.
PCB:注意能满足高频的使用场合和注意日本进口晶振尽量降低线路的分布参数,大面积接地和一点式接地方案的采纳.有必要的时候应注意EMI的防护.
电阻：在选择尺寸的同时需注意功耗的满足.2520石英晶振,Q24FA20H0010000爱普生振荡器
电容：可根据用户的需要选用片式或传统结构的产品,但是应注意选择适用于高频的、低损耗的,选用NP0系列的温度系数产品.
负载特性：进口晶振振荡电路(除去CRYSTAL),具有一个负阻特性(用网络频谱分析仪),振荡电路负阻值(绝对值)必须大于3倍的CRTSTAL电阻值(CRYS2TALESR/RR),振荡电路才可以稳定的振荡.
IC:可根据实用的需要任意选用,如CMOS反向器IC;专用振荡IC;大规模的数字IC中自备石英振荡门.
2520石英晶振,Q24FA20H0010000爱普生振荡器
