400 W, CW Helix TWT Series, 13.75 GHz to 14.5 GHz, Periodic-Permanent, Magnet
Focused, Coaxial Input, Waveguide Output, and Conduction Cooled
.
Custom configurations are also available. These variations in the performance and
configuration include: mechanical configuration, electrical and RF connections, & dual
stage depressed collector.
PICTURE
Model Number
VTU-6395M1A
VTU-6395M7A
Frequency
(GHz)
13.75 - 14.5
13.75 - 14.8
Power Output
(Min.)
400 W
400 W
Operating Parameters
Features
•
•
•
•
•
•
•
•
400 Watts
PPM Focusing
Coaxial Input
Waveguide Output
Any Mounting Position
Weight: 9 lbs. max (6.3 typical
2.6 kg)
Conduction Cooled
Dual Stage Collector
Heater
Voltage
Heater
Current
Heater
Surge
Current
Helix
Voltage
Collector
Voltage
Collector
Voltage
Cathode
Current
Parameters:
Units:
Maximum:
Minimum:
Typical:
Ef
V
6.5
6.1
6.3
If
Adc
1.8
1.0
1.3
If
(surge)
A
5.0
---
<5.0
Ew
kVdc
9.0
8.2
8.8
Eb1
kVdc
0.52 Ew
0.48 Ew
0.50 Ew
Eb2
kVdc
0.34 Ew
0.30 Ew
0.32 Ew
Ik
mAdc
310
---
280
Helix
Current
Parameters:
Units:
Maximum:
Minimum:
Typical:
Iw
mAdc
10
---
<5.0
Drive
Power
Pd
mW
50
---
1.0
Cathode
Warm-
Up Time
tk
minutes
---
3
3
Load
VSWR
Baseplate
Temp.
Collector 1
Current
Collector 2
Current
Ib2
mA (dc)
310
---
145
Ib1
1.5:1
---
1.2
°C
120
---
85
mA (dc)
175
---
130
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
CPI [ COMMUNICATIONS & POWER INDUSTRIES, INC. ]
