400 W, CW Helix TWT Series, 5.850 GHz to 7.100 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.
Model Number
VTC-6264D4
VTC-6264D2C
VTC-6264D5C
Frequency
(GHz)
5.85 – 7.1
5.85 – 7.1
5.725 – 5.825
Power Output
(Min.)
400 W
400 W
400 W
Operating Parameters
Features
•
•
•
•
•
•
•
•
400 Watts
PPM Focusing
Coaxial Input
Waveguide Output
Any Mounting Position
Weight: 7.5 lbs. max (6.8
typical 3.1 kg)
Conduction Cooled
Dual Stage Collector
Heater
Voltage
Heater
Surge
Current
Helix
Voltage
Collector
Voltage 1
Collector
Voltage 2
Cathode
Current
Parameters:
Units:
Maximum:
Minimum:
Typical:
Ef
V
6.3
5.9
6.3
If (surge)
A
5.0
---
<5
Ew
kVdc
9.1
8.4
8.8
Eb1
kVdc
0.55 Ew
0.49 Ew
.50 Ew
Eb2
kVdc
0.35 Ew
0.31 Ew
.32 Ew
Ik
mAdc
310
---
290
Helix
Current
Parameters:
Units:
Maximum:
Minimum:
Typical:
Iw
mAdc
15
---
6
Drive
Power
(Rated Po)
Pd
mW
10
---
6
Cathode
Warm-
Up Time
tk
minutes
---
3
3
Load
VSWR
Baseplate
Temp.
Collector 1
Current
Collector 2
Current
Ib2
mA (dc)
310
---
160
Ib1
1.5:1
---
<1.25
°C
120
---
85
mA (dc)
175
---
125
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. ]
