EDUCATIONAL TRAINING SYSTEMS

Model: MWT1

MICROWAVE TRAINING SYSTEM (GUNN DIODE)

MW2 MW3

GUNN POWER SUPPLY (Specification):

Gunn power supply comprises of an electronically regulated power supply and generator designed to operate the gunn oscillator and pin modulator.

Gunn bias voltage .5 to 12V
Current 0 to 1.5 A ( Max.)
Regulation 0.2% for + 10% Mains
Ripple 2 mV (rms)
Type of modulation Internal as well as by using pin modulator
Modulation Frequency 900 to 1100 Hz Square wave
Modulation Amplitude 0 to 15V (Peak to Peak)
Output Connector BNC (F) for both GUNN bias and pin modulator
Mains 230VAC, 50Hz, 115 Watt approx.

VOLTAGE STANDING WAVE RATIO METER (Specification):

It is a high gain voltage amplifier tuned at the center frequency of 1KHz. It is used for measuring VSWR, Attenuation and total mismatch on the line.

Amplifier Type High gain tuned at one frequency.
Frequency 1000 Hz.
Sensitivity 0.1 Micro volt at 200 ohms for full scale.
Band Width 25 to 30Hz
Range 60 db min. in 10 db scale.
Accuracy 0.15db on one range
Meter Linearity 1% of full scale
Scale- Selector Normal, Expander
Gain Control Coarse & fine
Input BNC (F), 2000 ohms impedance
Input Selector Crystal, ( 4.5mA ) and high ( 8.75mA )
Mains Power 230 V AC, 50Hz

EXPERIMENT FOR GUNN OSCILLATOR:

  • To study of I-V Characteristics of Gunn Oscillator & pin modulator.
  • To determine the frequency and wavelength in a rectangular waveguide working TE10 mode.
  • To determine the standing wave ratio and reflection co-efficient.
  • To measure an unknown Impedance using the smith chart.
  • To measure the polar pattern and the gain of a wave guide Horn antenna.
  • To study the function of multi-hole directional coupler by measuring the following parameters. Mainline and auxiliary-line VSWR.
  • The coupling factor and directivity of the coupler.
  • Study of Magic Tee.
  • To study the Isolator and circulators.
  • To study the attenuator.
  • To study the dielectric constant measurement
  • To calibrate phase shifter.
Power It is operated on 230VAC/50Hz.
Housing It is housed in an elegant metal cabinet (CNC Machine Finish)
Accessories Cables, Screw’s & Nuts.
Instruction Manual Trainer comes with detailed instruction manual.

MEASURING INSTRUMENTS REQUIRED (*Not Supplied):

  • 30MHz Dual Oscilloscope.
  • Digital Multimeter.

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