ANTENNA TRAINING LAB ATS20
Antenna Training Lab ATS20 Features:
* Antenna Training System with 30 Antennas
* PLL transmitter and receiver 0.005-2 Ghz.
* 50 KHz step size
* RF Power measurement in 0.1 dB resolution
* 110 dB dynamic range.
* Directional Coupler for VSWR/ Return Loss.
* Stepper motor antenna rotator.
* 1 degree resolution stepper motor
* RS232 interface with polar/cartesian plotting software
* Microstrip antennas
* All antenna gain, return loss and pattern plot provided
* 1000 location Frequency and level storage in receiver
Amitec ATS20 Technical Specifications:
PLL Synthesized Digital RF Transmitter
Frequency range : 5-2000 MHz PLL in 3 ranges
Step size : 0.05, 0.1,0.25,0.5, 1, 10,100 MHz
Accuracy : 0.01%
Display : 16X2 Backlit LCD
Controls : Menu, Enter, Escape, Up & Down
Memory : 1000 frequency store/recall
Modulation FM : Internal 1KHz/ External Microphone
RF Level : 110 dBuV typical
Attenuator : 40dB (external)
Output Z : 50 ohms
Auto mode : Tracking operation with receiver
Power Supply : 100-240V AC, 50-60 Hz
PLL Synthesized Digital RF Receiver
Frequency range : 5-2000 MHz PLL in 3 ranges
Step size : 0.05,0.1, 0.25, 0.5, 1,10,100 MHz
Accuracy : 0.01%
Display : 16X2 Backlit LCD
Controls : Menu, Enter, Escape, Up & Down
Memory : 1000 frequency & level store/ recall
Measurements : RF power level in dBuV
Resolution : 0.1dB
Dynamic range : 110 dB (70dB log +40dB attenuator)
Input Z : 50 ohm
Speaker : Inbuilt for Audio output
PC interface : RS 232 connectivity to PC for antenna plotting using supplied software
Auto mode : Data logging for antenna gain & SWR bandwidth with transmitter & polar/cartesian plots with Stepper.
Demodulation : FM Demodulation out
Down converter : 39Mhz output for monitoring on spectrum analyser
RSSI : Received Signal strength Indication for Fading analysis
Power Supply : 100-240V AC, 50-60 Hz
Stepper Motor Controller Unit
Display : 16X2 backlit LCD for angle
Rotation : 0-359 degrees
Resolution : 1 degree.
Controls : Menu, Enter, Escape, Up & Down
Angular steps : 1, 5, 10, 45 degrees
Memory : 1000 angular position store/recall
Auto mode : Automatic rotation with receiver
Mode : Clockwise/Counterclockwise rotation,
Fast Slow speed modes
Power Supply : 100-240V AC, 50-60 Hz
Software: RS 232 interface with polar plotting with log, linear cartesian and polar plots, Vi, Vr & Return loss plots, Multiple pattern overlay, Double cursor, Zoom, colour editing, 1000 location editor, Absolute/Relative, 3dB/10dB beam-width, Gain, Front to back, Side lobe level and position, Plot rotate, File- edit, save, get.
Directional Coupler: Directional Coupler is provided with 2 GHz frequency response and 20 dB directivity for antenna forward & reverse power & VSWR measurements.
Antennas: typical gain & VSWR<1.5
1) Monopole
1dBi 0.25-1GHz
2) Dipole
2dBi 0.25-1GHz
3) Folded Dipole
2dBi 0.4-0.8GHz
4) Crossed Dipole LHCP
2dBi 0.8GHz
5) Crossed Dipole RHCP
2dBi 0.8GHz
6) Yagi(3el)
4dBi 0.6GHz
7) Yagi (4el)
5dBi 0.6GHz
8) Biconical
3dBi 0.25-1GHz
9) Log Periodic
0.25-1GHz
10)Discone
1dBi 0.25-2GHz
11) Sleeve
1.5dBi 0.75GHz
12) Slot
2dBi 0.8GHz
13) End fire
3dBi 0.6GHz
14) Broad side
3dBi 0.6GHz
15)Whip
0.5dBi 0.1GHz
6) Helix LHCP
4dBi 0.6-1GHz
17)Helix RHCP
4dBi 0.6-1GHz
18)Square Loop
2dBi 0.6GHz
19)Quad
4dBi 0.6GHz
20)Log Spiral
2dBi 0.5-3GHz
21) V antenna
3dBi 0.8GHz
22)Patch
4dBi 1.5GHz
23)Parabolic 6dBi 2GHz
24)L/4 array 3dBi 0.8GHz
25) Conical Horn 7dBi 2GHz
26)Batwing 2dBi 0.8-1.2GHz
27)Stacked Yagi 6dBi 0.6GHz
28)MIC LPDA 4dBi 0.9-3GHz
29) Dipole 2dBi 0.25-1GHz
30)MIC LPDA 4dBi 0.9-3GHz
Accessories
1) Transmitter antenna mounting stand.
2) Stepper motor controlled mounting stand for rotation of receiving antenna.
3) Condenser microphone
4) All necessary connectors & Teflon RF cables.
5) Students activity & Teachers reference Manual
6) Software CD
7) Antenna Kit
8) Sniffer Probe
9) Power Divider (2 way)
10) Polarization ConnectorX2
11) Rs232 Lead
12)BNC-BNC lead 50cm X3
13)BNC-BNC lead 1.5m X2
14)Measuring Tape
E-Manual: Installation Video for ease of Learning
Areas of experimentation and scope of study
* Inverse square law of propagation.
* Radiation pattern of an Omni and directional antenna.
* Vertical, Horizontal and Circularly polarized antennas.
* Polarization discrimination linear & circular antennas
* Resonant and non-resonant antenna.
* Reciprocity of antenna.
* Current distribution of an antenna.
* Antenna parameters:
* Radiation pattern E & H Plane - Polar & Cartesian Plots
* Directive gain, beam width (Half Power/10dB), front to back ratio, plane of polarization, side lobe level & angle.
* Antenna resonance, VSWR and bandwidth using directional coupler and adjust the antenna.
* Comparative study of antennas.
* Significance of parasitic element dimensions.
* Construct antenna using antenna kit
* Voice communication link using antennas. Plus lot more.
