Devices selection for the construction of a microwave transmission link at 2.45 GHz

被引：0
|
作者：
Zirintsis, E. [1 ]
Pavlatos, C. [1 ]
Christodoulou, C. A. [2 ]
Mladenov, V. M. [3 ]
机构：
[1] Hellen Amer Univ, IT Fac, 12 Kaplanon Str, Athens 10680, Greece
[2] Natl Tech Univ Athens, Sch Elect & Comp Engn, GR-10682 Athens, Greece
[3] Tech Univ Sofia, Dept Theoret Elect Engn, Sofia, Bulgaria
来源：
PROCEEDINGS OF THE 8TH WSEAS INTERNATIONAL CONFERENCE ON CIRCUITS, SYSTEMS, ELECTRONICS, CONTROL & SIGNAL PROCESSING (CSECS'09) | 2009年
关键词：
Analogue transmission; double sideband with carrier (DSBC); amplitude modulation (AM); voltage controlled oscillator VCO); microwave transmission;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Today's communication systems allow voice and data to be transmitted using both digital and analogue transmission. Principles of analogue transmission are demonstrated using double sideband with carrier (DSBC) amplitude modulation (AM). A complete transmitting and receiving system is constructed, including a voltage controlled oscillator (VCO), a modulator, three amplifiers, two filters and a detector, at microwave frequency, and a audio and power amplifier for the low frequency signal. Two antennas were also constructed. The carrier frequency was selected to be 2.45 GHz and the transmitted information had a bandwidth of a few kHz (voice).
引用
收藏
页码：287 / +
页数：2
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