Antenna Trainer has been designed to

provide useful tools for hands on experimentation and teaching of various commonly used antennas in VHFUHF-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 RS232. 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, 20 different types of antennas, PLL synthesized Digital RF Transmitter, PLL synthesized Digital RF Receiver & Stepper Controller and all the necessary cables and accessories.

Features:

* 20 different types of adjustable Antennas like

Monopole, Dipole, Yagi, Helix, Quad, Slot,

Log periodic, Discone, Biconical, Patch,

etc. are offered

* User selected variable transmitter & receiver

frequencies and adjustable antenna lengths to

cover wide frequency range for variety of

experiments

* PLL stabilized antenna transmitter and Receiver

operating in the frequency range of 86-860 MHz

with 50 KHz step size for full range testing and

modeling of antennas.

* RS 232 interface with polar plotting software

with log, linear cartesian and polar plots, Vi, Vr &

VSWR plots, Multiple pattern overlay, Double

cursor measurement, Zoom, Colour editing,

1000 location editor, Absolute/Relative,

3dB/10dB beam-widthmeasurement

Technical Specifications:

PLL Synthesized Digital RF Transmitter

Frequency range: 100-850 MHz PLL synthesized

Step size : 0.05, 0.1, 0.25,0.5, 1 & 10 MHz

Accuracy : 0.01%

Display : 16X2 Backlit LCD

Control button : Menu, Enter, Escape, Up & Down

Memory : 1000 individual frequencies can

be stored/recalled

Modulation FM : Internal 1KHz/ External Microphone

RF Level : 110 dBuV max.

Level Accuracy : +/- 3 dB

Attenuator : 40dB internal switchable

Output Z : 75 ohms

Auto mode : Tracking operation with receiver

Power Supply : 220V AC + 10%

PLL Synthesized Digital RF Receiver

Frequency range: 100-850 MHz PLL synthesized

Step size : 0.05, 0.1, 0.25, 0.5, 1 & 10 MHz

Accuracy : 0.01%

Display : 16X2 Backlit LCD

Controls : Menu, Enter, Escape, Up &

Down buttons.

Memory : 1000 individual frequencies &

levels can be stored/recalled

Measurements : RF level measurement in dBuV

with 0.1dB resolution

Level Accuracy : +/- 3 dB

Dynamic range : 110 dB (70dB logarithmic +

40dB attenuator)

Input Z : 75 ohm

Speaker : Inbuilt for Audio output

Mfd by: Amitec Electronics Ltd.

Regd. Off: 504, Nilgiri, Barakhamba Road, New Delhi-110001

Works: 4/32, Site-4, Industrial Estate Sahibabad, UP-201010

amitec@rediffmail.com, www.amitec.co.in

91-120-4371276, 91-9811839949, 91-9810193153

ANTENNA ANALYSER ATS10

Mfd by: Amitec Electronics Ltd.

Regd. Off: 504, Nilgiri, Barakhamba Road, New Delhi-110001

Works: 4/32, Site-4, Industrial Estate Sahibabad, UP-201010

amitec@rediffmail.com, www.amitec.co.in

91-120-4371276, 91-9811839949, 91-9810193153

Technical specifications:

RS232 interface: Easy connectivity to PC for polar

plotting using supplied software

Auto mode : Data logging for antenna

bandwidth & polar plots for

interfacing with transmitter & stepper.

Power Supply : 220V AC + 10%

Stepper Motor Controller Unit

Display : 16X2 backlit LCD for angle

Rotation : 0-360 degrees.

Controls : Menu, Enter, Escape, Up &

Down buttons

Angular steps : User selectable steps of 1,5,10,

45 degrees

Memory : 1000 memories for storing

angular positions for quick recall

Auto mode : Automatic rotation with interface

to receiver

Indication : Beep indication on reaching the

selected position.

Mode : Clockwise/Counterclockwise

rotation, Fast Slow modes, Reset to zero degree

Power Supply : 220V AC + 10%

Antenna Types

1) Monopole 2) Dipole

3) Folded Dipole 4) Crossed Dipole LHCP

5) Crossed Dipole RHCP 6) Yagi(3el)

7) Yagi (4el) 8) Biconical

9) Discone 10) Log Periodic

11) Sleeve 12) Slot

13) End fire 14) Broad side

15) Whip 16) Helix LHCP

17) Helix RHCP 18) Square Loop

19) Quad 20)

21) V antenna 22) Dipole

Antenna Kit

The antenna kit is provided with built-in broad band 1:1 Balun and with flexible antenna wire, to enable students to construct their own antennas and obtain their polar plots also.

Software:

log, linear cartesian and polar plots, Vi, Vr & VSWR

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,

Accessories

1) Adjustable Non-conductive AZ-EL tripod for

mounting transmitter Antenna.

2) Stepper motor controlled adjustable nonconducting

AZ-EL tripod for rotation of receiving

antenna.

3) Condenser microphone

4) All necessary connectors & Teflon RF cables.

5) Students activity manual, Teachers reference

Manual & Theory manual

6) Software CD

7) Antenna Kit

8) Sniffer Probe

Areas of experimentation and scope of study

*

* and a directional antenna.

* Vertical, Horizontal and Circularly polarized

antennas.

* linear & circular antennas

* non-resonant antenna and hence calculate the

resonant frequency and estimate the VSWR of a

resonant antenna.

* radiation patterns of an antenna are equal and

hence confirm the reciprocity of antenna.

* element of an antenna.

*

* Cartesian Plots of an antenna.

* gain, beam width (Half Power/10dB), front to back

ratio, plane of polarization, side lobe level and its

angular position.

* and bandwidth using directional coupler and

adjust the antenna for resonance.

* based on antenna parameters.

* dimensions on antenna parameters.

*

parameters.

ANTENNA ANALYSER Aparameters.