Pakistan Defence

Category »» [ Electronic Warfare ]​

HF Jamming system (HJS-1000) (2-30MHz)


• Digital LCD display.

• Setting a threshold value for VSWR to warn against VSWR rise.

• Gain adjustment.

• Automatic Level Control (ALC).

• High VSWR protection (Open circuit amplifier output).

• RF input overdrive protection.

• Thermal overload protection.


HF Jamming system (HJS-1000) (2-30MHz)


• Simultaneous display of forward power to antenna & reflected power to amplifier in Watt

• Simultaneous display of forward power to antenna & reflected power to amplifier in dBm


Technical specifications:

• Frequency range: 2-30MHz

• Amplifier type: Linear AB class

• Output power: 1000 W (cw)

• Input/output impedance: 50 ohm

• Supply voltage: 220 VAC, 50Hz

• Harmonics: -20 dBc

• Spurious signals: -60 dBc

• VSWR: 2:1 max

• Connector: N TYpe

• Cooling: Internal forced-air

• Operating temperature: -5° C~55° C

• Storage temperature: -40° C~80° C

• Humidity: 90%

• Shock and vibration: Normal truck transport