爱普生GPS定位器差分晶振Q3805CA00004400

爱普生GPS定位器差分晶振Q3805CA00004400，随着高科技的发展以及智能产品的推出，针对与GPS定位器专用晶振，可穿戴智能等一些电子产品逐步成为当今智能电子产品的主流方案。而这些智能电子产品主板上需要用到晶振也越来越广泛,就好比GPS定位器来说 最常用到的晶振就是爱普生的EG-2121CA石英晶体振荡器，编码Q3805CA00004400，频率75.000000兆赫，输出WaveLV-PECL，电源电压2.38 ~ 2.62 V，尺寸(LxWxH)7.00 x 5.00 x 1.20 mm，工作温度0至+70°C，频率公差±100ppm，额外的OptionsN /OSC TypeClock OSC，这款GPS定位器晶振是一款微型封装，具备低损耗，低抖动，高品质，高精度特性,对于GPS定位器来说，都是十分合适,选择一款合适GPS定位器晶振其对频率精度,稳定性和体积要求较高。

Product Number	Model	Frequency	LxWxH	差分晶振	Supply Voltage	Ope Temperature
Q3805CA00004000	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
Q3805CA00004300	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
Q3805CA00004400	EG-2121CA	75.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00004600	EG-2121CA	161.132800 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00004700	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
Q3805CA00004800	EG-2121CA	100.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00004900	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
Q3805CA00005000	EG-2121CA	175.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00005100	EG-2121CA	400.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00005200	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
Q3805CA00005300	EG-2121CA	100.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	-5 to 85 °C
Q3805CA00005400	EG-2121CA	100.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00005500	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
Q3805CA00005600	EG-2121CA	311.040000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	-5 to 85 °C
Q3805CA00005700	EG-2121CA	175.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C
Q3805CA00005800	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
Q3805CA00005900	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
Q3805CA00006000	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
Q3805CA00006100	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
Q3805CA00006200	EG-2121CA	100.000000 MHz	7.00 x 5.00 x 1.20 mm	LV-PECL	2.375 to 2.625 V	0 to 70 °C

爱普生GPS定位器差分晶振Q3805CA00004400，有源晶振不需要DSP的内部振荡器，信号质量好，比较稳定，而且连接方式相对简单（主要是做好电源滤波，通常使用一个电容和电感构成的PI型滤波网络，输出端用一个小阻值的电阻过滤信号即可），不需要复杂的配置电路。

有源晶振引脚定义，也就是说通常的接法：一脚悬空，二脚接地，三脚接输出，四脚接电压。相对于无源晶体，有源晶振的缺陷是其信号电平是固定，需要选择好合适输出电平，灵活性较差，而且价格高。