VTU-6398S1 Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – 750 W, DBS-Band Helix TWT Series

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.
Features
• 750 Watt
• 17.3 GHz - 18.4 GHz
• Coaxial Input
• Waveguide Output
• Weight: 9.5 lbs. max
• Conduction Cooled
model
VTU-6398S1
VTU-6398S2
Frequency
(GHz)
17.3 - 18.1
17.3 - 18.4
Power output
(min)
750 W
750 W
TYPICAL OPERATING PARAMeters

MINIMUM MAXIMUM TYPICAL UNITS

Filament Voltage: 6.1
6.4
6.3 Vdc
Filament Current: 0.8
1.6
1.4 A
Helix Voltage: 10.5
12.6
12.4 kV
Helix Current:
---
10.0
--- mA
Collector Voltage 1: 49.0
51.0
50.0 %
Collector Current 1:
---
375
--- mA
Collector Voltage 2: 25.0
27.0
26.0 %
Collector Current 2: ---
440
--- mA
Cathode Warm-up Time: 3.0
---
--- Minutes
Drive Power: ---
22
20 dBm
Prime Power: ---
2250
--- Watts
Thermal Dissipation ---
1500
--- Watts
Load VSWR: ---
1.25:1
1.15:1 VSWR

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: [phone]. fax: [phone] | email: [e-mail]
cpI 06/12