C-Band Klystrons
VA936/VKC7936 Series
The VA936/VKC7936 Series of klystron is designed for use in ground
based earth-to-satellite communication amplifiers. The
VA936/VKC7936 Series is available in various configurations and
frequency ranges to suit customer's exact requirements. This family
of klystrons has output power specifications ranging from 1500 to
3350 watts over 40 or 45 MHz of instantaneous bandwidth. These
klystrons can be configured to provide users with 6,12, or 24 channel
configurations thus allowing operators to select preset center
frequencies within seconds. As an option, Digital Fast Tuner System
(DFTS) channel changers are available for sub-second selection
of up to 50 channels.
(DFTS Model Shown)
RF and Electrical Specifications
Frequency Range (Channel Centers)
Physical Characteristics
Dimensions
See outline drawings.
70 lb (32 kg)
Collector up
VA936/VKC7936G, and L
VA936/VKC7936J
VA936/VKC7936R, and T
VKC 7936W
VKC 7936X
VKC 7936Y
Output Power
VA936/VKC936J and T
VA936/VKC7936G
other models
5.925 to 6.425 GHz
5.925 to 6.425 GHz
5.850 to 6.425 GHz
5.945 to 6.455 GHz
5.945 to 6.435 GHz
5.850 to 6.480 GHz
1500W
3000W
3350W
Weight - approximate
Operating Orientation
Cooling
Forced Air
collector flow - minimum
VA936/VKC7936J and T 375 lb/hr (170 kg/hr)
other models
1000 lb/hr (450 kg/hr)
body flow - minimum
90 lb/hr (41 kg/hr)
RF Connectors
output
input
Focusing
Mates with CPR-137F flange
Mates with type “N” plug, UG-21D/U
Integral permanent magnet
Instantaneous Bandwidth-minimum at –1 dB points
VA936/VKC936J and T
40 MHz
other models
45 MHz
Gain - minimum (at rated power)
VA936/VKC936J and T
37 dB
other models
40 dB
Beam Voltage - maximum
VA936/VKC936J and T
VA936/VKC7936G
Other Models
Beam Current - maximum
VA936/VKC936J and T
other models
Heater Voltage - nominal
Heater Current - typical
6.8 kV
8.15 kV
8.3 kV
0.825 A
1.15 A
6.0 V
6.0 A
communications & medical products division
CPI [ COMMUNICATIONS & POWER INDUSTRIES, INC. ]
