750 W, DBS-Band Helix TWT Series
750 Watt, 17.3 -18.4 GHz CW high effi-
ciency traveling wave tube, coaxial input,
waveguide output, conduction cooled.
Custom configurations are also available.
These variations in the performance and
configuration include: mechanical con-
figuration, electrical and RF connections,
and dual-stage depressed collector.
FꢂꢀTuꢅꢂS
•ꢀ750ꢀWatt
ꢆꢇDꢂꢃ
FꢅꢂquꢂꢁCy
(GHz)
17.3 - 18.1
17.3 - 18.4
PꢇWꢂꢅ ꢇuTPuT
(ꢆIꢁ)
ꢀ •ꢀ17.3ꢀGHzꢀ-ꢀ18.4ꢀGHz
ꢀ •ꢀCoaxialꢀInput
ꢀ •ꢀWaveguideꢀOutput
ꢀ •ꢀWeight:ꢀ9.5ꢀlbs.ꢀmax
ꢀ •ꢀConductionꢀCooled
VTU-6398S1
VTU-6398S2
750 W
750 W
TyPICꢀꢃ ꢇPꢂꢅꢀTIꢁG PꢀꢅꢀꢆꢂTꢂꢅS
ꢆIꢁIꢆuꢆ
ꢆꢀꢄIꢆuꢆ
TyPICꢀꢃ
uꢁITS
Filament Voltage:
Filament Cꢈrrent:
Helix Voltage:
6.1
0.8
10.5
---
49.0
---
25.0
---
3.0
---
6.4
1.6
12.6
10.0
51.0
375
27.0
440
---
6.3
1.4
12.4
---
50.0
---
26.0
---
---
20
---
---
Vdc
ꢀ
kV
mꢀ
%
mꢀ
%
mꢀ
ꢆinꢈtes
dBm
Watts
Watts
VSWꢅ
Helix Cꢈrrent:
Collector Voltage 1:
Collector Cꢈrrent 1:
Collector Voltage 2:
Collector Cꢈrrent 2:
Cathode Warm-ꢈp Time:
Drive Power:
Prime Power:
Thermal Dissipation
ꢃoad VSWꢅ:
22
---
---
---
2250
1500
1.25:1
1.15:1
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 information on this and other CPI products, visit our website at: www.cpii.com,
or contact: CPI MPP Division, 607 Hansen Way, Palo Alto, CA 94303
telephone: 1(800) 414-8823. fax: (650) 856-0705 | email: marketing@cpii.com
cpI 06/12
