道路交通灯控制器专用有源晶振Q3805CA00007000

道路交通灯控制器专用有源晶振Q3805CA00007000，有源晶振通常都为四脚或四脚以上的脚位，内置起振芯片，是一个完整的振荡器，只要接通电源就可以起振，大类称之为主动元器件。无源晶体的脚位通常都是四脚以下包含四脚，它的工作原理即是在一个反相放大器的两端接入晶振，再有两个电容分别接到晶振的两端，每个电容的另一端再接地，这两个电容串联的容量值等于负载电容，请注意一般IC的引脚都有等效输入电容，这个不能忽略。

Product Number	爱普生晶振	Frequency	LxWxH	Output Wave	Supply Voltage	Ope Temperature
Q3805CA00006300	EG-2121CA	156.250000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00006400	EG-2121CA	133.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	-5 to 85 °C
Q3805CA00006500	EG-2121CA	125.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00006600	EG-2121CA	159.375000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00006700	EG-2121CA	230.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00006800	EG-2121CA	350.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00006900	EG-2121CA	150.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	-5 to 85 °C
Q3805CA00007000	EG-2121CA	156.250000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007100	EG-2121CA	155.520000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007200	EG-2121CA	62.500000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007300	EG-2121CA	328.710900 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007400	EG-2121CA	87.500000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007500	EG-2121CA	124.416000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007600	EG-2121CA	166.628600 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007700	EG-2121CA	156.250000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	-5 to 85 °C
Q3805CA00007800	EG-2121CA	312.500000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00007900	EG-2121CA	155.520000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00008000	EG-2121CA	140.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00008100	EG-2121CA	78.125000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00008200	EG-2121CA	200.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00008300	EG-2121CA	124.400000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C

相位噪声和抖动是对同一种现象的两种不同的定量方式，是对短期稳定度的真实度量。振荡器以及其它利用基波或谐波方式的晶体振荡器具有最好的相位噪声性能。采用锁相环合成器产生输出频率的振荡器比采用非锁相环技术的振荡器一般呈现较差的相位噪声性能。但相对的，拥有好的相位噪声和抖动的同时振荡器的设计复杂，体积大，频率低，造价高。实际上相位噪声和抖动是短期频率稳定度的度量，所以一般越高端的晶振，即频稳越好的晶振，这些指标也相应越好。