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Spec Sheet Description
Microwave Laboratory
Designed to study and test waveguide electronics and components used in the field of microwaves.
Possible to analyse and carry out experiments in the principal aspects of microwaves and their application to communication systems:
- Active and passive components
- Waveguides and antennas for microwaves
- Audio/Video/Data communication systems and Measurements on microwaves
The laboratory consists of a main system:
- Waveguides, Antennas and Microwave Audio/Video communication System
- enables to study and test lines, antennas and transmissions used in the field of microwaves and to carry out a complete microwave radio link for the transmission and reception of an Audio/ Video signal.
And optional system:
- Gunn Kit
- system that uses a Gunn diode mounted on a cavity as RF source in microwaves.
In detail, it is possible to analyze and to experiment the following main aspects of microwaves and their applications in communication systems:
- Microwave generation
- Waveguide components
- Antennas for microwaves
- Microwave propagation
- Measurements on microwave systems
Training Program:
General microwave theory
- Overview of electronic devices and passive components of the laboratory
- Characteristics of:
- microwave components
- waveguide and flange
- Horn antennas and parabolic reflector
- reflection and polarization system
- Oscillator
- Frequency measurements
- Wavelength measurements in waveguide and free space
- Direct and reflected power measurements
- Power splitting and impedance mismatch measurement
- SWR and impedance measurement
- Impedance calculation with Smith’s chart
- Impedance matching
- Directional and T-hybrid couplers
- Gain and radiation diagram of microwave antennas
- Antenna Gain measurement:
- comparison method
- method of the two antennas
- Link attenuation
- Passive repeaters (mirrors)
- Modulation and transmission of microwave signals
- Reception and demodulation of microwave signals
- Frequency conversion with local oscillator and mixer
- Audio/Video point-to-point communication system
- Doppler Radar: more antennas are used and the relationship between the object speed and the doppler signal is complied with.
Gun Kit (Optional)
Training Program
-
- Gunn Diode Oscillator
- Gunn Transceiver: Gunn Oscillator and Schottky diode (mixer)
- Radar Experiment and frequency relation between the signal Doppler – object speed