采用四节八晶体宽带型差接桥型电路,设计和研制出了一种用于通讯系统中进行较宽范围选频的中高频宽带型带通分立式压电石英晶体滤波器新产品.该产品在中心频率为21.4 MHz时达到160 kHz以上的通带宽度,相对带宽达到74‰.解决的关键技术问题是:滤波电路的设计、21.4 MHz中高频基频滤波晶体半成品的设计、160 kHz通带范围内波动调平的展宽线圈设计及滤波器的插损IL≤4.5 dB、6 dB带宽度Bw6dB≥168 kHz、通带波动≤1.5 dB、阻带衰减≥70 dB等技术指标的实现.
参考文献
| [1] | 李忠诚.现代滤波器设计[M].北京:国防工业出版社,1981:153-252. |
| [2] | 张福学;孙慷.压电学[M].北京:科学出版社,1984:113-132. |
| [3] | Bosse G;Matthes H .Crystal Band-stop Filter with Improved Spurious Resonance Behaviour[J].NTZ-comiunimcations Journal,1986,5:21-25. |
| [4] | Egorova L V.The Design of Crystal Rejector Filter Based on a Monolithic Structure[J].Telecommunications & Radio Engineering,1980 |
| [5] | Matthes H .Crystal band-stop Filter with Improve For wide Transmission[J].International Journal of Circuit theory and Applications,1986,1:6. |
| [6] | Botton V E.The Theory and Desigh of Quartz Crystal Units[M].New York:McGraw-Hill,1997 |
| [7] | Kinsaman R G.Crystal Filter[M].New York:Academic Press,Inc,1998 |
| [8] | Bond W L.Crystal Technology[M].Nordic,2000 |
| [9] | 靳宝安,牟强,王林力.LST-15MHz晶体滤波器的研制[J].压电与声光,2005(06):674-675. |
| [10] | 靳宝安,李新贝,王林力.2.45MHz单边带石英晶体滤波器研制[J].人工晶体学报,2006(05):1155-1158. |
| [11] | 靳宝安,王林力.单边带石英晶体滤波器研制[J].压电与声光,2007(03):321-323. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%