Vidyut Yantra Udyog
Adarsh Nagar, Modinagar, Ghaziabad, Uttar Pradesh
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Gun Power Supply

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  • Model X-110 Gunn Power Supply comprises of regulated D.C. power supply and a square wave generator, designed to operate Gunn-Oscillator model 21 52 etc. and Pin-Modulator model 451 simultaneously.

  • The D.C. Voltage is variable from 0 to 12.0 volts. The front-panel digital meter monitors the Gunn voltage and the current drawn by the Gunn-diode.

  • The square waves of generators is variable from 0 to 1 0 Volts in amplitude and from 850 to 11 50 Hz in frequency.

  • The power supply has been so designed to protect Gunn diode from reverse voltage application, over transient and low frequency oscillations by the negative resistance of the Gunn-diode.



Model No.


Gunn Bias Voltage

0 to 12 V


0 to 1.0 A (Max.)


0.2% for ± 10% mains variation


2 mv (rms)

Modulation Frequency

850 to 11 50 Hz, Square wave

Mod. Amplitude

0 to 10.0 V (peak to peak)

Output Connectors

BNC (F) for Gunn Bias UHF (F) for Pin-mod.

Mains Supply

230 V, 50 Hz, 25 watts aprox,

Standard Accessories

(i) Mains Cable ( 01 No.)

(ii) Coax. Cable BNC to BNC (01 No.)

(iii) Coax. Cable BNC to UHF (01 No.)

(iv) Spare Fuses (02 Nos.)

(v) Instruction Manual (01 No.)


Additional Information:
  • Item Code: X-110
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  • Model X-l 11 Gunn Power Supply has been designed to operate high frequency Gunn Oscillators and where PIN Modulators are not available, In this supply variable frequency square Wave modulation is provided on the bias supply itself.

  • Front panel digital meter reads the Gunn Bias Voltage and the current drawn by the Gunn-Diode through a switch.

  • This consists of a regulated D.C. power supply 2.0 to 1 2.0 V variable and a square wave generator of variable frequency 850 to 11 50 Hz.


Model No.

X-l 11

Gunn Bias Voltage

1 to 1 2 V


0 to 1.0 A


0.2% for ± 1 0 mains variation

Modulation Selector Switch


Modulation Frequency

850 to 11 50 Hz square-wave

Output Connector

BNC (F) for Gunn Bias

Digital Panel Meter

Read Gunn bias voltage & current drawn


230 V, 50 Hz 35 Watts

Std. Accessories

i) Mains Cable (1 No.)

ii) Coax. Cable BNC to BNC (1 No.)

iii) Spare Fuse (2 Nos.)

iv) Instruction Manual (1 No.)


Additional Information:
  • Item Code: X-111
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Abhishek Jain (Technical Head)
Vidyut Yantra Udyog
Gali No. 2, Gurudwara Road
Adarsh Nagar, Modinagar - 201204
Ghaziabad, Uttar Pradesh, India
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