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CHAPTER 1 INTRODUCTION 1. GENERAL INFORMATION AT3200 Antenna experiment system consists of Propagation Pattern and Gain of Antenna, and there is each different Antenna of 10types according to the driving style. In this RF Source Unit supplying RF current of 500MHz, 2GHz, 10GHz and Controller which can control the direction of antenna, in addition the software which can do a simulation of antenna copying pattern and characteristics by pc interface is offered. Since this Antenna Trainer makes the using frequency to be high, it is possible to experiment on characteristic of antenna propagation in narrow space (some 100m'). Also moving and custody of System are easy. Especially, since consists of transmitting & receiving antenna of telecommunication repeater and the antenna used for receiving of artificial satellite mainly, the more practical training is possible. In particular,for Dipole or Yagi Antenna. The number and spacing of Element is controlled, you can design yourself for directional characteristic and gain. Figure 1-1 Flow Chart for Experimental Device on Antenna 2. NOTES 1. Please check the driving procedure and the input power used for this Instrument,after read this book before use it. 2. Please check if connect AT3200A (Main Controller) to Motor Control Cable of AT3200C(Receiver) before turn on. 3. Avoid operation or storage of the instrument within 3m existed the reflector from the antenna of transmitter and receiver. 4. Make the antenna to run using the main controller or PC surely. 5. Don't make to stop by physical power when the antenna of receiver runs. 6. The input voltage of AC is 220V exclusive use. 7. Avoid storage of the instrument in humid area. 3