Dual – Band, CW Helix TWT Series, 1000 W, 5.85 GHz to 6.425 GHz, and 2000 W, 7.90
GHz to 8.40 GHz, Periodic-Permanent, Magnet Focused, Coaxial Input, Waveguide
Output, Forced Air Cooled.
Custom configurations are also available. These variations in the performance and
configuration include: mechanical configuration, electrical and RF connections, & dual
stage depressed collector.
Model Number
Frequency
(GHz)
Power Output
(Min.)
VTX-6379E1
5.85 – 6.425/7.9 – 8.4 1000/2000 W
Operating Parameters
Heater
Features
Dual Band (C/X)
5.85 GHz – 6.425 GHz, 1 kW
7.90 GHz – 8.40 GHz, 2 kW
PPM Focusing
Heater
Surge
Voltage Current
Helix
Voltage Voltage 1
Ew
kVdc
15.4
13.9
Collector
Collector
Voltage 2
Eb2
Collector
Current 1
Ib1
mAdc
990
Collector
Current 2
Ib2
mAdc
650
•
•
•
•
•
•
•
•
•
•
Parameters: Ef
If
A
5
- - -
Eb1
kVdc
Units:
Vdc
6.6
6.0
kVdc
Maximum:
Minimum:
Typical:
62% of Ew 32% Ew
58% of Ew 28% Ew
- - -
- - -
Coaxial Input
Waveguide Output
Any Mounting Position
Weight: 25 lbs. max
Forced-Air Cooled
Separate Equalizer provided
for C-Band
Cathode
Warm-
Collector
Temperature
Helix
Current
Iw
mAdc
22
Drive
Load
Air
Flow
Inlet Air
Temp
Power
Up Time VSWR
Parameters:
Units:
Maximum:
Minimum:
Typical:
tk
Pd
mW
Adj.
- - -
minutes
- - -
3
°C
150
- - -
Ib/hr
- - -
°C
52
1.7:1
- - -
- - -
628
- - -
The values listed above represent specified limits for the product and are subject to change. The data should be used
for basic information only. Formal, controlled specifications may be obtained from CPI for use in equipment design.
For additional information on CPI MPP products contact:
CPI MPP, Helix TWT Operation - 811 Hansen Way, Palo Alto, CA 94303-0750
Phone: 650-846-3900, Fax: 650-494-8779, Email: marketing@mpp.cpii.com, www.cpii.com/mpp
