| 1. | A fast acquisition pll with wide tuning range
一种快捕获宽调节范围的锁相环 |
| 2. | Lts lil1ewidth is less than 2 . 33khz in its full wavelength tuning range
92urn ） 。在波长连续调谐范围之内，其输出激光线宽均在2 |
| 3. | Tested by bbs , the system can tune wavelength quickly , tuning range from 0nm to 1 . 32nm , maximal voltage is 200v
利用宽带光源进行测试,成功实现波长的快速调谐,调谐范围为1 . 32nm ,最大电压为200v 。 |
| 4. | 2 . the vco ’ s topology is presented according to the conditions of low voltage - supply , low power consumption , low phase noise and large tuning range
2 .以低压、低功耗、低相位噪声和较大调谐范围为原则完成压控振荡器的电路结构设计。 |
| 5. | The vco is optimized according to the targets of low voltage - supply , low power consumption , low phase noise and large tuning range . with a voltage - supply of
与由反型mos变容管调谐的压控振荡器比较,结果表明积累型变容管调谐的vco具有更好的相位噪声性能。 |
| 6. | 4 . the tunable l . ssum external cavity laser diode by using fiber bragg grating is reported . utilizing cantilever beam tuning method , a tuning range 7nm is achieved
( 4 )采用光纤bragg光栅作为外腔反馈元件，首次将光纤光栅的悬臂梁调谐方法用于外腔调谐技术中，完成了1 |
| 7. | The littrow grating tuning method is employed for the first time in double cladding fiber lasers . by tuning the angle of the grating , we have achieved a tuning range of more than 40nm . 6
（ 5 ）首次将littrow光栅调谐技术应用到掺双包层光纤激光器中，实现了可调谐包层泵浦光纤激光器，波长可调谐范围大于40nm 。 |
| 8. | Lonm tuning range is achieved in the experiments . 2 . the influence of the positioning errors on tuning range in external - cavity diode laser system is analyzed in detail for the first time as my knowledge
（ 2 ）首次系统分析了外腔半导体激光器无跳模调谐结构的定位误差对无跳模调谐范围的影响，并据此设计了一套1 |
| 9. | By use of a micro - displacement set we realized a very high precision tuning . the experimental results verified the theoretical predication . the realized tuning ranges of the two ofbg are 6 . 320nm and 5 . 762nm respectively
同时，建立了ofbg调谐测试装置，实现了ofbg的高精度线性调谐，两根光栅分别实现调谐范围6 . 320nm和5 . 762nm ，调谐装置具有很好的重复性。 |
| 10. | On - chip vco is a key factor in lowering the cost of wireless transceivers and has sturdy requirements in system application . it ’ s an important subject in the area of rf ic to fulfill the noise and tuning range requirements with low power consumption
如何在较低的功耗下设计噪声性能和调谐范围满足系统应用要求的全集成压控振荡器,仍然是目前射频集成研究领域的难点。 |
