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Home » Products » Educational Trainers » Antenna,Satellite,Radar,RF » PC Based Motorized Antenna Trainer

Antenna, Satellite, Radar Trainer » PC Based Motorized Antenna Trainer

PC Based Motorized Antenna Trainer


PC Based Motorized Antenna Trainer has been designed to provide useful tools for hands on experimentation and teaching of various commonly used antennas in VHF-UHF-Microwave band in the laboratory for students of all levels. It can be used in stand-alone mode as well as be interfaced with a computer via RS-232 interface. In this Receiving Antenna can be rotated from 0 to 360 Degrees automatically with the help of Stepper motor controller unit and accordingly Receiving Antennas Signal strength can be monitored.

The system consists of a set of two tripods one for mounting the transmitting antenna and another stepper motor controlled antenna positioning tripod for mounting the receiving antenna, 22Antennas, RF Transmitter, RF Receiver, Stepper Controller Unit, Antenna Plotting Software and relevant accessories/ cables.

RF Transmitter:

  • Frequency : 100 - 850 MHz Crystal Controlled
  • Intervals : 50 MHz
  • Accuracy : 0.01%
  • Output Impedance : 75 Ohms
  • RF Level : 90 dBuV Typical
  • Output Level : Variable with Switchable Attenuator
  • Modulation : 1 Khz Test Tone
  • Power Supply : 230V @ 50 Hz

RF Receiver:

  • Frequency : 86 860 MHz PLL Controlled
  • Step Size : 0.05, 0.1, 0.25, 0.5, 1, 10, 100 MHz
  • Accuracy : 0.01%
  • Display : 16X2 Backlit LCD
  • Function s : Menu, Enter, Escape, Up & Down
  • Memory Location : 1000 individual frequencies can be stored/recalled
  • Input Impedance : 75 Ohms
  • Measurement : RF level in dBuV with 0.1dB resolution
  • Dynamic Range : 110 dB (70 dB Log + 40 dB Attenuator)
  • Speaker : Inbuilt for Audio output
  • Manual/ Auto Mode : Data logging for antenna gain & polar/cartesian plot with stepper motor
  • RS232 interface : Easy connectivity to PC using polar pattern plotting software
  • Power Supply : 230V @ 50 Hz

Stepper Motor Controller Unit:

  • Rotation : 0-360 Degrees with 1 Deg resolution
  • Angular Steps : 1, 5, 10, 45 degrees
  • Display : 16X2 Backlit LCD
  • Function s : Menu, Enter, Escape, Up & Down
  • Memory : 1000 memories for storing angular positions for quick recall
  • Auto mode : Automatic Rotation with Interface to Receiver
  • Mode : Clockwise/Anti Clockwise Rotation, Fast /Slow Speed
  • Power Supply : 230V @ 50 Hz


  • Variation of field strength with distance
  • Plot radiation pattern of omni directional antenna
  • Plot radiation pattern of directional antenna
  • Polarization of vertical and horizontal antenna
  • Study resonant and non resonant antenna and estimate VSWR and impedance
  • Demonstrate reciprocity theorem of antennas
  • Study current distribution along the element of antenna
  • Study different antennas polar plots, radiation patterns, gain, beam width, front back ratio
  • Comparison of different antennas


01 - Dipole L/2
02 - Dipole L/4
03 - Dipole 3L/2
04 - Folded Dipole
05 - Yagi Uda (3E)
06 - Yagi Uda (4E)
07 - Ground Plane with Reflector & Director
08 - Slot
09 - Square Loop
10 - Rhombus
11 - Axial Mode Helix RHCP
12 - Endfire (Phase Array L/2)
13 - Phase Array L/4
14 - Broadside Array L/2
15 - Microstrip Patch
16 - Log Periodic
17 - Zepplin (Horizontal End Fed)
18 - Crossed Dipole LHCP
19 - Crossed Dipole RHCP
20 - Sleeve
21 - Axial Mode Helix LHCP
22 - Monopole

a) RF Transmitter & Receiver + 2 Tripod

b) Stepper Motor Controller Unit

c) Stepper Motor with BNC-IEC (M) + 1 Tripod

d) 60 Antenna Elements

e) Antenna Fabrication Kit + CopperWire Roll

f) Sniffer Probe

g) Directional Coupler/ Return Loss Bridge + IEC(M)-IEC(M): 1 Pc + BNC IEC(F): 2 Pcs

h) 3 meter Measuring Tape

i)  Polarization Connector 2 Pcs

j)  RS-232 Connecting Lead

k)  BNC BNC Cable

l)  Stepper In/ Trigger BNC Cable with push button

m)  Experimental Manual

n)  Installation Video Demo CD

o)  Antenna Plotting Software CD


Educational Trainers & Didactic Products for Technical Training in Universities, Engineering Colleges, Vocational Schools & Polytechnics Institutes

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