Microwave Test Bench

Description: Study all the concepts of microwave transmission, various components used for microwave communication and their parameters. Table top benches using standard WR-90 waveguide components for study of microwave communication and measurements. Microwave training benches and components are designed to work on the X-band frequency range. An exhaustive manual is provided along with the system, which provides detailed experimental procedure and complete explanation of the system. All the components are tested on a Network analyzer for unparalleled performance Microwave Test Bench Fully-Loaded Consists of the following components:. a. Klystron Power Supply (Square & Saw Wave Digital readout). b. Gunn Power Supply (Digital). c. VSWR Meter Solid State. d. BNC Cable. e. Diode Detector. f. Frequency meter ( Direct reading ). g. Fixed Short. h. Gunn oscillator. i. Isolator. j. Klystron mount. k. Klystron tube. l. Magic tee. m. Movable short. n. Pick up horn. o. Pin Modulator. p. S.S. Tuner. q. Slotted section with probe carriage. r. Tripod stand. s. Tunable probe. t. Variable attenuator. MTBM001DCA-KLYSTRON BASIC Klystron based basic microwave trainer consist of : Klystron power supply Klystron mount Klystron tube Isolator Detector mount Colling fan with stand BNC to BNC cables (2) Wave guide stands (3) Experiments To study the characteristics of Reflex Klystron MTBM001DCB - GUNN BASIC Gunn diode based basic microwave trainer consisting of : Gunn power supply Gunn oscillator Isolator PIN-diode modulator Detector mount BNC to BNC cables (3) Wave guide stands (2) Experiments : Gunn oscillator Measurement of current versus voltage characteristic of Gunn diode. Measurement of Gunn oscillator output power and supply voltage Modulator and crystal detector Operation of PIN Diode modulator and Crystal detector. Measurement of square law characteristic of crystal detector MTBM001DCC - ADVANCE Add on Module to upgrade MT-Klystron Basic and MT- Gunn Basic to advance configuration : Frequency meter Slotted section Tunable probe Variable attenuator Shorting plate Movable short Matched termination VSWR meter Wave guide stands (2) Slide screw tuner Experiments To study frequency, guide wavelength and free space wavelength To measure the SWR and reflection coefficient To measure impedance of a load To study propagation modes, wavelength and phase velocity in a waveguide : i) Measurement of frequency of source ; ii) Measurement of free space wavelength and guide wavelength and verify waveguide law VSWR and reflection coefficient by standing wave and double minimum method : i)Measurement of low and medium range SWR; ii) Measurement of high range SWR Variable attenuator i) Measurement of attenuation using power ratio method ii) Measurement of attenuation using RF substitution method iii) Measurement of low values of attenuation iv) Measurement of VSWR and insertion loss v)Measurement of insertion loss of attenuator vi) Measurement of high range SWR using a calibrated attenuator Modules for Klystron Basic and Gunn Basic Advance. Module PASSIVE Add on module for passive component set consisting of : Directional coupler 10dB Three port circulator E-plane tee H-plane Tee Magic-tee (or Hybrid-tee) Smith charts Experiments Impedance measurement i) Measurement of unknown impedance of a load using smith chart ii) To match an unknown impedance iii) To study characteristics of directional coupler Waveguide E-plane,H-plane and Hybrid (Magic)Tee i) Study of power division or decoupling between H-arm and E- arm of a Magic Tee ii) Measurement of insertion loss of a Magic tee iii) Measurement of return loss of H arm of a MagicTee iv) Study of power division of an E and H plane Tee v) Measurement of insertion loss of an E and H planeTee vi) Measurement of VSWR of ports of E-plane, H-plane and Hybrid (Magic) Tee Properties of Directional Coupler i) Measurement of coupling factor ii) Measurement of directivity iii) Measurement of return loss of a load iv) Measurement of main line insertion loss v) Measurement of VSWR of ports Isolators and Circulators i) To study insertion loss of isolators / circulators ii) To study isolation of isolators / circulators iii) To study VSWR of circulator and Isolator iv)Measurement of high range SWR using a calibrated attenuator Module ANTENNA Add on module for polar pattern and gain characteristics of horn antenna : Antenna rotator Pyramidal wave guide horn antenna (2) Pickup horn antenna E-plane and H-plane wave guide horn antenna Wave guide stands (4) Experiments Radiation pattern and gain -To study polar patterns and measure gain for the pyramidal horn antenna -To study polar patterns and measure gain for the E plane horn antenna -To study polar patterns and measure gain for the H plane Module DIELECTRIC Add on module for dielectric constant of solid and liquid : Solid dielectric cell Solid dielectric Liquid dielectric cell with micrometer Experiments To measure dielectric constant of solids Module PHASE Add on module for phase shifter and cavity : Waveguide phase shifter Waveguide cavity Movable short Experiments To study phase velocity in a waveguide To study a cavity resonator Q and bandwidth of resonance cavity Measurement of Q using power measurement technique and measurement of Q using SWR method To measure phase shift of a phase shifter Module MPM : Microwave Power Meter MPM is a complete RF power measurement instrument. The sensor contains a CPU that operates the interface and processes the measurement results. All the me