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Microwave Tubes · Traveling Wave Tubes

Hughes-1177H Hughes 1177H Ku-Band TWT

Available on request Hughes / L3 EDD Hughes-1177H

Ku-band traveling wave tube (TWT) amplifier covering 12–18 GHz with 250 W CW output for satellite communications uplinks and military EW systems.

Output Power
250 W CW
Frequency Range
12–18 GHz
Beam Voltage
12 kV
Cooling
Conduction / forced air
Worldwide shipping Cross-reference support Grunius BV · Groningen, NL

About the Hughes-1177H

The Hughes-1177H is a traveling wave tube (TWT) manufactured by Hughes / L3 EDD. Ku-band traveling wave tube (TWT) amplifier covering 12–18 GHz with 250 W CW output for satellite communications uplinks and military EW systems.

Key ratings of the Hughes-1177H include tube type TWT (Traveling Wave Tube), frequency range 12–18 GHz, frequency band Ku-band, output power 250 W CW, gain 45 dB and beam voltage 12 kV.

Typical applications are satellite communications uplink, military electronic warfare, electronic countermeasures, ku-band SATCOM terminals and airborne radar jamming. Notable features: 12–18 GHz Ku-band coverage, 250 W CW output, 45 dB gain and broadband swept operation.

Traveling wave tubes (TWTs) are broadband microwave amplifiers used in satellite communications, radar, electronic warfare and test equipment. Their wide instantaneous bandwidth makes them the preferred choice where solid-state amplifiers cannot reach the required power level.

PartnerTubes supplies the Hughes-1177H worldwide from Groningen, the Netherlands — availability, lead time and price are confirmed per enquiry. Our team can help with equivalent and cross-reference types, sockets and accessories, and supply programmes for OEM and maintenance customers. Interchangeability must always be confirmed for the specific equipment.

Technical specifications

Tube TypeTWT (Traveling Wave Tube)
Frequency Range12–18 GHz
Frequency BandKu-band
Output Power250 W CW
Gain45 dB
Beam Voltage12 kV
Efficiency35%
CoolingConduction / forced air

Specifications are indicative and based on published manufacturer data. Always verify against the official datasheet and confirm suitability for your application before ordering.

Applications & features

Used in

  • Satellite communications uplink
  • Military electronic warfare
  • Electronic countermeasures
  • Ku-band SATCOM terminals
  • Airborne radar jamming

Key features

  • 12–18 GHz Ku-band coverage
  • 250 W CW output
  • 45 dB gain
  • Broadband swept operation
  • EW and SATCOM standard

Frequently asked questions

What is the Hughes-1177H?

The Hughes-1177H is a traveling wave tube (TWT) manufactured by Hughes / L3 EDD. Ku-band traveling wave tube (TWT) amplifier covering 12–18 GHz with 250 W CW output for satellite communications uplinks and military EW systems.

What are the specifications of the Hughes-1177H?

Tube Type: TWT (Traveling Wave Tube); Frequency Range: 12–18 GHz; Frequency Band: Ku-band; Output Power: 250 W CW; Gain: 45 dB; Beam Voltage: 12 kV; Efficiency: 35%; Cooling: Conduction / forced air.

What is the Hughes-1177H used for?

The Hughes-1177H is used in satellite communications uplink, military electronic warfare, electronic countermeasures, ku-band SATCOM terminals and airborne radar jamming.

What are alternatives or related parts to the Hughes-1177H?

Related and comparable parts include SV-3192, SV-3174, CPI-VTS4802, VTS-5754, E3780 and VA-125A. Contact PartnerTubes to confirm interchangeability for your equipment.

Where can I buy the Hughes-1177H?

The Hughes-1177H is available from PartnerTubes (Grunius BV, Groningen, Netherlands) with worldwide shipping. Availability and lead time are confirmed on request. Request a quote at https://www.partnertubes.com/contact/?part=Hughes-1177H or email info@partnertubes.com.