VTU-6395M1A Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – 400W, ku-Band Helix TWT Series

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
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
Operating Parameters
Parameters:
Heater
Voltage
Ef
Heater
Current
If
Units:
V
Adc
Maximum:
6.5
1.8
Minimum:
6.1
1.0
Typical:
6.3
1.3
Heater
Surge
Current
If
(surge)
A
5.0
---
<5.0
Helix
Collector
Voltage Voltage
Ew
Eb1
kVdc
9.0
8.2
8.8
kVdc
0.52 Ew
0.48 Ew
0.50 Ew
Collector
Voltage
Eb2
kVdc
0.34 Ew
0.30 Ew
0.32 Ew
Cathode
Current
Ik
mAdc
310
---
280
Parameters:
Units:
Maximum:
Minimum:
Typical:
Helix
Drive
Current Power
Iw
Pd
mAdc mW
10
50
---
---
<5.0
1.0
Cathode
Warm-
Up Time
tk
minutes
---
3
3
Load
VSWR
1.5:1
---
1.2
Baseplate Collector 1 Collector 2
Temp.
Current
Current
Ib1
Ib2
°C
mA (dc)
mA (dc)
120
175
310
---
---
---
85
130
145
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: [phone], Fax: [phone], Email: [e-mail], www.cpii.com/mpp