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YSX530GA 5032 2P | |||
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标准频率 | 负载电容 | 频率偏差 | 点击购买 |
8MHZ | 20PF | 20PPM | rel="nofollow" Buy |
11.0592MHZ | 20PF | 20PPM | rel="nofollow" Buy |
12MHZ | 20PF | 20PPM | rel="nofollow" Buy |
14.7456MHZ | 20PF | 20PPM | rel="nofollow" Buy |
14.31818MHZ | 20PF | 20PPM | rel="nofollow" Buy |
18.432MHZ | 20PF | 20PPM | rel="nofollow" Buy |
22.1184MHZ | 18PF | 20PPM | rel="nofollow" Buy |
24.576MHZ | 20PF | 20PPM | rel="nofollow" Buy |
24MHZ | 12PF | 20PPM | rel="nofollow" Buy |
24MHZ | 20PF | 20PPM | rel="nofollow" Buy |
25MHZ | 20PF | 20PPM | rel="nofollow" Buy |
27MHZ | 12PF | 20PPM | rel="nofollow" Buy |
28.6363MHZ | 20PF | 20PPM | rel="nofollow" Buy |
30MHZ | 20PF | 20PPM | rel="nofollow" Buy |
32MHZ | 20PF | 20PPM | rel="nofollow" Buy |
如您需要购买同类别的其他系列产品,请点击以下链接 | ||
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 |
石英晶振为何被要求紧挨着IC,单片机石英晶振不起振?
英晶振是通过电激励来产生固定频率的机械振动,而振动又会产生电流反馈给电路,电路接到反馈 后进行信号放大,再次用放大的电信号来激励晶振机械振动,石英晶振再将振动产生的电流反馈给电路,如此这般。当电路中的激励电信号和晶振的标称频率相同时,电 路就能输出信号强大,频率稳定的正弦波。整形电路再将正弦波变成方波送到数字电路中供其使用。
由于石英晶振的输出能力有限,它仅仅输出以毫瓦为单位的电能量。在 IC(集成电路)
内部,通过放大器将这个信号放大几百倍甚至上千倍才能正常使用。
石英晶振和 IC 间一般是通过铜走线相连的,可以看成一段导线或数段导线,导线在切割磁力线的时候会产生电流,导线越长,产生的电流越强。
现实中,磁力线不常见,电磁波却到处都是,例如:无线广播发射、电视塔发射、手机通讯等等。晶振和IC之间的连线就变成了接收天线,它越长,接收的信号就 越强,产生的电能量就越强,直到接收到的电信号强度超过或接近晶振产生的信号强度时,IC内的放大电路输出的将不再是固定频率的方波了,而是乱七八糟的信
号,导致数字电路无法同步工作而出错。
所以,画PCB(电路板)的时候,晶振离它的放大电路(IC管脚)越近越好。
是
5032
YXC
YSX530GA 8m
谐振器
8
20ppm
-20~+70
0
20pf
0
0
-20~+70
0
0
0
0
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