8974 [CPI]
RF Amplifier; 射频放大器
| 型号： | 8974 |
| 厂家： | 
COMMUNICATIONS & POWER INDUSTRIES, INC. |
| 描述： | RF Amplifier |
| 文件： | 总1页 (文件大小：99K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
8974 / x-2159
chaRacteRistics
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
The 8974 is a power tetrode designed for very high
powered frequency or high frequency broadcast
service and very low frequency communication in
the megawatt power range. The 8974 has a two
section thoriated tungsten filament mounted on
water-cooled supports. The two sections may
be fed in quadrature to reduce hum contributed
by an arc ac power source. The maximum anode
dissipation rating is 1500 kW steady state. Large
diameter coaxial terminals are used for the control
grid and the RF filament terminals. Filament power
and filament support cooling water connections
are made through three special couplings with
threaded clamping rings.
1,500 Kilowatts
15.0 Kilowatts
4.0 Kilowatts
30 MHz
4.5
Thoriated Tungsten
16.3 Volts
Current
600 Amps
Grounded Cathode
1600 pf
Capacitance
Input
Output
250 pf
Feedthrough
Capacitance
Input
6.0 pf
Grounded Grid
675 pf
Output
260 pf
Feedthrough
Cooling
1.0 pf
Water and Forced Air
Special Coaxial
N/A
Base
Air Socket
Air Chimney
Boiler
N/A
N/A
Length
23.75 in; 60.30 cm
17.03 in; 43.30 cm
175.0 lb; 80.0 kg
Diameter
Weight
MaxiMuM Ratings
typical OpeRatiOn
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22,500
17,500
22,500
22,500
125
100
125
125
21,500
17,500
20,000
17,500
1,000
1,000
1,500
1,500
125
95.0
86.5
146
7,000
6,465
---
2,158.0
1,384.0
1,225.0
2,015.0
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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 ꢆꢉformꢁꢈꢆoꢉ on this and other CPI MPP products, visit our website at: www.ꢇꢄꢆꢆ.ꢇom,
or contact: CPI Microwave Products Division, Eimac Operation,607 Hansen Way, Palo Alto, CA 94303
t e l e p h o n e : 1(800) 414-8823. f a x : (650) 592-9988 | e m a il : powergrid@cpii.com
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