null
Varian

Varian VZC6961D7A1 C-Band TWTA 5.9-6.4 GHz 50dB Gain Satcom Upconverter

(No reviews yet) Write a Review
SKU:
39941
MPN:
VZC6961D7A1
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
45.00 LBS
Shipping:
Calculated at Checkout
  • 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
  • Varian MED TWTA rating plate – model VZC6961D7A1, frequency 5.9–6.4 GHz, gain 50 dB, made in USA, code ident 59782
  • Varian VZC6961D7A1 – front panel close-up showing status LED array (Power, Filtd, Stdby, HV ON, Fault) and fault LED array (Temp, VSWR, Int, Ext, Helix), helix current meter, IND RESET button, POWER and HV ON switches
  • Varian VZC6961D7A1 – front panel right side showing Type N RF INPUT connector, Type N RF SAMPLE connector, and RF GAIN ADJ knob
  • Varian VZC6961D7A1 – rear panel left side showing waveguide RF output port (WR-137 flange) and cooling fan
  • Varian VZC6961D7A1 – rear panel close-up showing rating label, 25-pin D-sub control connector, LOCAL/REMOTE toggle switch, fuse holders F1 and F2, and circular power connector
  • Varian VZC6961D7A1 – interior view showing TWT assembly, control PCBs, power supply boards, Western Microwave ICW-9070 upconverter module, and high-voltage transformer
  • Western Microwave ICW-9070 upconverter module label – Model ICW-9070, Serial No. 077, made in USA, Sunnyvale California
  • Varian TWTA TWT assembly label – P/N 113798-03, Serial No. 9744
  • Varian TWT specifications label – Type VTC-6161H4, Heater (Ef) 6.3V, Collector (Eb) 2400 Vdc, Helix-GND (Ew) 4800 Vdc
$1,500.00
Was: $3,000.00
Current Stock: 1

Sold Out

Description

Varian VZC6961D7A1 C-Band TWTA 5.9-6.4 GHz 50dB Gain Satcom Upconverter Transmitter

C-Band traveling wave tube amplifier (TWTA) for satellite uplink transmission. Provides 50 dB gain across 5.9–6.4 GHz with waveguide RF output and includes integrated Western Microwave ICW-9070 upconverter module.

Specifications & What's Included

  • Frequency Range: 5.9–6.4 GHz (C-Band)
  • Gain: 50 dB
  • RF Output: WR-137 waveguide flange
  • RF Input: Type N connector (front panel)
  • TWT Type: VTC-6161H4 (P/N 113798-03)
  • Heater Voltage: 6.3 V; Collector: 2400 Vdc; Helix-GND: 4800 Vdc
  • Form Factor: 2U rackmount
  • Front Panel Controls: Power, HV ON/OFF/RESET, RF Gain adjustment, Helix Current meter
  • Unit only; no cables or accessories

Applications

Used in C-band earth station transmitters for satellite communication uplinks. Typical applications include VSAT networks, maritime and aviation satcom systems, and government/military satellite terminals. The VZC6961D7A1 was designed for fixed station use where high-power RF amplification is required for reliable satellite signal transmission.

Condition: Used
This Varian VZC6961D7A1 C-Band TWTA satcom transmitter has been inspected and appears to be in good used condition. The chassis, front panel, and controls show normal wear consistent with prior rack-mounted service use. The front panel status and fault LED indicators, helix current meter, power switch, HV switch, and RF Gain Adj knob are all present and intact. The waveguide RF output flange on the rear shows some surface discoloration but no obvious physical damage. The interior TWT assembly, Western Microwave ICW-9070 upconverter module, and supporting electronics are present and appear complete. Please view our photo set and contact us if you have any questions.
View AllClose

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.
View AllClose

Additional Information

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.
View AllClose

Related Products

Related Products

Varian VZC6961D7G1 TWTA rackmount amplifier — front panel and open top view showing internal components Varian VZC6961D7G1 TWTA — rear panel and open interior view showing RF connectors and wiring
Add to Cart
Quick view

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 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
Add to Cart
Quick view

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

Varian

$500.00
Was: $1,000.00
Varian VZC6961D7W1 C-Band TWT Amplifier TWTA 5.9-6.4 GHz 65 dB Gain RackmountC-Band traveling wave tube amplifier (TWTA) designed for 5.9–6.4 GHz operation. Provides 65 dB gain and mounts in standard...
31387
SKU:
31387
Availability:
Usually ships within 1-2 business days.
Weight:
48.00 LBS
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.