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YSX321SL 3225 4P | |||
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标准频率 | 负载电容 | 频率偏差 | 点击购买 |
12MHZ | 10PF | 10PPM | rel="nofollow" Buy |
12MHZ | 12PF | 10PPM | rel="nofollow" Buy |
12MHZ | 20PF | 10PPM | rel="nofollow" Buy |
14.7456MHZ | 12PF | 10PPM | rel="nofollow" Buy |
16MHZ | 18PF | 10PPM | rel="nofollow" Buy |
20MHZ | 20PF | 10PPM | rel="nofollow" Buy |
24MHZ | 10PF | 10PPM | rel="nofollow" Buy |
24MHZ | 12PF | 10PPM | rel="nofollow" Buy |
24MHZ | 20PF | 20PPM | rel="nofollow" Buy |
25MHZ | 10PF | 10PPM | rel="nofollow" Buy |
25MHZ | 12PF | 10PPM | rel="nofollow" Buy |
25MHZ | 20PF | 10PPM | rel="nofollow" Buy |
26MHZ | 9PF | 10PPM | rel="nofollow" Buy |
26MHZ | 10PF | 10PPM | rel="nofollow" Buy |
26MHZ | 12PF | 10PPM | rel="nofollow" Buy |
27MHZ | 20PF | 10PPM | rel="nofollow" Buy |
27.12MHZ | 10PF | 10PPM | rel="nofollow" Buy |
30MHZ | 12PF | 10PPM | rel="nofollow" Buy |
30MHZ | 20PF | 10PPM | rel="nofollow" Buy |
48MHZ | 20PF | 10PPM | rel="nofollow" Buy |
54MHZ | 10PF | 10PPM | rel="nofollow" Buy |
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产品型号 | 产品规格 | 点击购买 |
HC-49US | 11.5x4.5x3.68mm | rel="nofollow" Buy |
HC-49SMD | 11.4x4.8x3.8mm | rel="nofollow" Buy |
HC-49UM | 11.05x4.65x13.46mm | rel="nofollow" Buy |
YSX321SL | 3225 4P | rel="nofollow" Buy |
YSX530GA | 5032 2P | rel="nofollow" Buy |
YSX531SL | 5032 4P | rel="nofollow" Buy |
YT-26 | 2060 2P | rel="nofollow" Buy |
YT-38 | 3080 2P | rel="nofollow" Buy |
R315 | D11,F11,TO39 | rel="nofollow" Buy |
R433 | D11,F11,TO39 | rel="nofollow" Buy |
快速识别晶振好坏
石英晶振是一种常用电子器件,因此判断晶振好坏至关重要。一般常见测试石英晶振的方法无非是示波器和上板测试,上板测试的准确率是最高的,但是也很费时,示波器的对于石英晶振的精准度不够,如何能短时间精准的测试晶振好坏?
测量是比较头痛的,晶振的个头比较小,但是在主板上起的作用不小,因此晶振的检测是主板维修非常重要的环节。如何判断检测石英晶振的好坏呢?将简单的介绍下检测晶振好坏的方法与技巧:
1、用万用表(R×10k挡)测晶振两端的电阻值,若为无穷大,说明晶振无短路或漏电。再将试电笔插入试电插孔内,用手指捏住晶振的任一引脚,将另一引脚碰触试电笔顶端的金属部分,若试电笔氖泡发红,说明晶振是好的,若氖泡不亮,则说明晶振损坏。
2、用数字电容表(或数字万用表的电容档)测量其电容,一般损坏的晶振容量明显减小(不同的晶振其正常容量具有一定的范围,可测量好的得到,一般在几十到几百PF值)。
3、贴近耳朵轻摇,有声音就一定是坏的(内部的晶体已经碎,还能用的话频率也变了)。
4、测试输出脚电压。一般正常情况下,大约是电源电压的一半。因为输出的是正弦波(峰值接近源电压),用万用表测试时,就差不多是一半。
是
3225
YXC
YSX321SL 24M
谐振器
24
10PPM
20ppm
20ppm
12PF
60
0
-20~+70
0
0
0
0