Universal  X_Band  Expansion  Bench

 

1. Parabolic Antenna :

It consists of a waveguide section joined to circular section with parabolic elevation made of brass.

Frequency Range : 8.2 to 12.4 GHz

Aperture : Circular

2. Horn Antenna : .

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It consists of a waveguide section joined to pyramydal section made of brass sheet.

Frequency Range : 8.2 to 12.4GHz

Gain : 17 +1dB

VSWR : Better than 1.20

Aperture : Rectangular

3. Crystal Detector with Mount & Probe :

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It is a tunable detector mount with probe & detector for detecting microwave power, through built-in IN23 detector diode. The detector diode is mounted in a waveguide section which is flanged on one side & affixed with a moveable shorting plunger on the other side. The plunger is operated by a micrometer.

Frequency Rang 8.2 to 12.4GHz

Plunger Movement : Micrometer driven

Detector Type : IN23

4. Cross Directional Coupler :

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It consists of teo sections of waveguides joined togather at right anglesThe coupling is provided by staralots made in broad wall of waveguide.A uniform coupling over the entire band of frequency is obtained.

Frequency Range : 8.2 to 12.4 GHz

Coupling : 20dB + 1.0dB

Directivity : 20dB

VSWR : Better than 1.12

5. Multihole Directional Coupler :

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It is a multihole type of coupler meant to sample microwave energy travelling in one direction without effect of reverse travelling enery.It is made out of two parallel waveguides coupled by a series of accurate holes.

Frequency Range : 8.2 to 12.4 GHz

Coupling : 3dB + 0.60 dB

OR 10dB + 0.60dB

Directivity : 40 dB

VSWR : Better than 1.12

Aux. line VSWR : Better than 1.50

6. E-Plane Tee :

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It is a series type T-Junction consisting of three sections of waveguide joined together. Signal entering at one port is equally divided at second & third port with same magnitude & opposite phase.

Frequency Range 8.2 to 12.4 GHz

7. H - Plane Tee :

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It is a shunt type T- junction, and is similar to E- plane Tee in working principle. It is used in conjuction with VSWR meters, Frequency Meters etc.

Frequency Range: 8.2 to12.4GHz

8. Magic Tee :

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Also called E-H Tee, it consists of a waveguide section with both series & shunt waveguide arms, fixed at midpoint of main arm. All sides are flanged. It is used in balanced mixers, AFC circuits, Impendance Measurements etc.

Frequency range : 8.2 to 12.4 GHz

9. Precision Slide Screw Tuner :

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It is a vernier and micrometer driven tuner whereby penetration and position of screw in a slot in a both side flanged waveguide changes the impedance and helps in matching. Using it, a VSWR upto 20 can be tuned out to better than 1.02, at a particular frequency.

Frequency Range : 8.2 to 12.4GHz

Micrometer : 0.1mm least count for depth of penetration

Vernier : 0.1mm least count for positioning of screw along the slot

in the waveguide.

10. Precision EH Tuner :

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It consists of a waveguide section flanged at both ends and two waveguide arms mounted at right angles to each other as also at right angles to the length of waveguide, which are each terminated in a moveable short circuit driven by a micrometer each.

Frequency Range : 8.2 to 12.4GHz

Micrometers : 2 Nos.

Travel of Micrometers : 40 mm each.

11. E Plane Bend :

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A waveguide section is bent in E Plane at 900+1% keeping section uniform.

Frequency Range : 8.2 to12.4GHz

VSWR : Better than1.05

12. H Plane Bend :

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A waveguide section is bent in H Plane at 900 +1%, Keeping section uniform.

Frequency Range : 8.2 to12.4 GHz.

VSWR : Better than1.05

Besides these components,waveguide stands, assorted cables and manual etc. is provided.

 

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