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Varian

Varian VZC6961D7W1 C-Band TWT Amplifier TWTA 5.9-6.4 GHz 65 dB Gain Rackmount

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SKU:
31387
MPN:
VZC-6969B1
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
48.00 LBS
Shipping:
Calculated at Checkout
  • Varian VZC6961D7W1 C-Band TWT Amplifier — front panel view showing STATUS and FAULT LED indicators, HELIX CURRENT meter, POWER and HV ON switches, rackmount chassis
  • Varian TWTA VZC6961D7W1 front panel close-up showing Varian logo, STATUS/FAULT LED array, HELIX CURRENT analog meter, IND RESET button, POWER and HV ON rocker switches
  • Close-up of Varian TWTA helix current meter (0–15 DC milliamperes scale) and hours counter reading 937 hours
  • Varian VZC6961D7W1 side panel showing GIF 21860 asset tag label, RF GAIN ADJ trimmer, RF SAMPLE BNC connector, and RCA American Communications badge
  • Varian VZC6961D7W1 rear panel overview showing waveguide RF output port, cooling vents, multi-pin D-Sub connector, and HIGH VOLTAGE warning label
  • Varian TWTA rear panel close-up showing RF INPUT waveguide port, RF OUTPUT waveguide port, Varian MED rating label (TWTA VZC6961D7W1, S/N 1755, FREQ 5.9–6.4 GHz, GAIN 65 dB), and D-Sub interface connector
  • Varian TWTA rear panel close-up showing 1A6J3 connector label, F1 and F2 fuse holders, J1 power connector, LOCAL/REMOTE switch, and D-Sub multi-pin connector
  • Varian MED rating plate close-up: TWTA model VZC6961D7W1, S/N 1755, FREQ 5.9–6.4 GHz, GAIN 65 dB, Code Ident 59782, Made in USA
  • Varian VZC6961D7W1 interior view with top cover removed — showing TWT tube assembly, high-voltage power supply, cooling fans, transformer, capacitors, and PCB assemblies
  • Interior TWT module label close-up: DATE CODE 8613, PART # 113798-03, SERIAL # 6975, REV. D — with RF IN and RF OUT connections visible
  • Varian 5.9 - 6.4 GHz C-Band Microwave TWT Amplifier VZC-6969B1 - As Is
  • Varian 5.9 - 6.4 GHz C-Band Microwave TWT Amplifier VZC-6969B1 - As Is
  • Varian 5.9 - 6.4 GHz C-Band Microwave TWT Amplifier VZC-6969B1 - As Is
$500.00
Was: $1,000.00
Current Stock: 2

Sold Out

Description

Varian VZC6961D7W1 C-Band TWT Amplifier TWTA 5.9-6.4 GHz 65 dB Gain Rackmount

C-Band traveling wave tube amplifier (TWTA) designed for 5.9–6.4 GHz operation. Provides 65 dB gain and mounts in standard 19-inch rack enclosures. Features front-panel power and HV controls with status and fault indicators.

Specifications & What's Included

  • Frequency Range: 5.9–6.4 GHz (C-Band)
  • Gain: 65 dB
  • Form Factor: Rackmount (19-inch)
  • Internal TWT: 113798-03 (Rev. D, date code 8613)
  • Meter Reading: 937 hours
  • RF Connectors: Waveguide/coax input and output (rear panel)
  • Control Interface: D-Sub multi-pin connector with local/remote switch
  • Manufactured: USA

Applications

C-Band TWTAs are used in satellite communications, telecommunications ground stations, and broadcast uplink systems. This model supports transmit chain applications requiring high-power amplification across the 5.9–6.4 GHz band. Commonly integrated into earth station and telecom infrastructure requiring coherent or non-coherent signal amplification.

Condition: For Parts or Not Working
This Varian VZC6961D7W1 C-Band TWT Amplifier does not power on and is being sold as-is for parts or repair. The unit has not been tested and no functionality is guaranteed. The chassis is complete and intact, and the internal TWT assembly, power supply components, PCBs, and front-panel meter assembly all appear to be present based on photos. The hours counter reads approximately 937 hours. The front panel shows general cosmetic wear consistent with lab/rack use. Please view our full photo set, including the interior shots, before purchasing. Contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Varian
Model:
VZC6961D7W1
MPN:
VZC6961D7W1
Secondary Model:
VZC-6969B1
Type:
C-Band Traveling Wave Tube Amplifier (TWTA)
SKU:
31387
Frequency Range:
5.9–6.4 GHz
Gain:
65 dB
Tube Type:
Traveling Wave Tube (TWT)
Band:
C-Band
Form Factor:
Rackmount
Front Panel Controls:
POWER, HV ON switches; STATUS and FAULT LED indicators
Front Panel Meter:
Helix Current (DC Milliamperes, 0–15 mA)
Hours Meter Reading:
937 hours (as photographed)
RF Connectors:
RF Input and RF Output (waveguide/coax, rear panel)
RF Sample Port:
BNC-type RF Sample port on side panel
Control Interface:
D-Sub multi-pin connector (rear panel); Local/Remote switch
Internal TWT Part Number:
113798-03
Internal TWT Date Code:
8613
Internal TWT Revision:
Rev. D
Varian Code Ident:
59782
Asset Tag / Label:
GIF 21860 (side panel label)
Made In:
USA
Country/Region of Manufacture:
United States
Condition:
As-Is / For Parts or Not Working
Seller Notes:
Does not power on. Sold as-is for parts or repair. ~937 hours on meter.
Condition Notes:
Varian VZC6961D7W1 C-Band TWT Amplifier does not power on. Sold as-is for parts or repair only — not tested, no functionality guaranteed. ~937 hours on meter. Chassis and internals appear complete per photos.
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Varian VZC6961D7G1 TWTA 5.9-6.4 GHz 65 dB Gain Rackmount Satcom Amplifier

Varian

$450.00
Was: $900.00
Varian VZC6961D7G1 TWTA 5.9-6.4 GHz 65 dB Gain Rackmount Satcom AmplifierTraveling Wave Tube Amplifier (TWTA) designed for C-Band satellite uplink and ground station applications. Provides 65 dB gain...
39943
SKU:
39943
Availability:
Usually ships within 1–2 business days.
Weight:
32.00 LBS
Brand:
Varian
Model:
VZC6961D7G1
MPN:
VZC6961D7G1
Type:
Traveling Wave Tube Amplifier (TWTA)
SKU:
39943
Frequency Range:
5.9–6.4 GHz
Gain:
65 dB
Band:
C-Band
Application:
Satellite Uplink / Satcom Ground Station
Form Factor:
Rackmount
Front Panel Controls:
Power switch, HV ON/OFF-RESET switch, IND RESET
Front Panel Indicators:
Power, Filter, Standby, HV ON, Fault, Temp, VSWR, INT, EXT, Helix
Front Panel Meter:
DC Milliamperes (Helix Current)
RF Output Connector:
Waveguide (rear panel)
RF Input Connector:
SMA (rear panel)
RF Sample Port:
BNC (front panel side)
RF Gain Adjustment:
Front-panel RF Gain Adj knob
Internal RF Module P/N:
113798-03
Internal TWT Module:
Aercon Industries Model 129511 (Sacramento, CA)
Country/Region of Manufacture:
United States
Condition:
As-Is / For Parts or Not Working
Seller Notes:
Sold AS-IS for parts or repair. Not tested. Internal components visible and appear intact.
Condition Notes:
Varian VZC6961D7G1 TWTA inspected, appears physically intact, but has NOT been tested. Sold AS-IS for parts or repair — no functionality guaranteed. Internal components present. Please view photos and contact us with questions.
Varian VZC6961D7A1 C-Band TWTA – front panel with Varian logo, status/fault LED indicators, helix current meter, power and HV switches Varian VZC6961D7A1 C-Band TWTA – rear panel showing waveguide RF output flange, fuse holders, D-sub control connector, local/remote switch, and cooling vents
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Varian VZC6961D7A1 C-Band TWTA 5.9-6.4 GHz 50dB Gain Satcom Upconverter

Varian

$1,500.00
Was: $3,000.00
Varian VZC6961D7A1 C-Band TWTA 5.9-6.4 GHz 50dB Gain Satcom Upconverter TransmitterC-Band traveling wave tube amplifier (TWTA) for satellite uplink transmission. Provides 50 dB gain across 5.9–6.4...
39941
SKU:
39941
Availability:
Usually ships within 1-2 business days.
Weight:
45.00 LBS
Brand:
Varian
Model:
VZC6961D7A1
MPN:
VZC6961D7A1
Type:
C-Band Traveling Wave Tube Amplifier (TWTA)
SKU:
39941
Frequency Range:
5.9 – 6.4 GHz
Frequency Band:
C-Band
Gain:
50 dB
RF Output Interface:
Waveguide (WR-137 flange)
RF Input Connector:
Type N (front panel)
RF Sample Connector:
Type N (front panel)
Control Interface:
Local/Remote switch; 25-pin D-Sub connector
TWT Type:
VTC-6161H4
Heater Voltage (Ef):
6.3 V
Collector Voltage (Eb):
2400 Vdc
Helix-GND Voltage (Ew):
4800 Vdc
Upconverter Module:
Western Microwave ICW-9070
TWT P/N:
113798-03
Code Ident:
59782
Form Factor:
Rackmount, 2U
Country/Region of Manufacture:
United States
Application:
Satellite uplink, C-band earth station transmitter
Front Panel Indicators:
Power, Filtd, Stdby, HV ON, Fault; Temp, VSWR, Int, Ext, Helix
Front Panel Controls:
POWER switch, HV ON/OFF/RESET switch, IND RESET button, RF Gain Adj knob, Helix Current meter
Condition:
Used – Inspected and in good condition
Seller Notes:
Unit only; no cables or accessories observed. Western Microwave ICW-9070 upconverter installed internally.
Condition Notes:
Varian VZC6961D7A1 C-Band TWTA inspected and in good used condition. Front panel controls, indicators, and meters intact. Waveguide output shows minor surface wear. Interior TWT and upconverter assembly present and complete.