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4CX5000A Datasheet, PDF (1/1 Pages) Communications & Power Industries, Inc. – RF amplifier
4CX5000A/8170
The 4CX5000A/8170 is useful as an oscillator, am-
plifier or modulator at frequencies up to 220 MHz,
Class AB1 audio amplifier, or as a screen-modu-
lated radio frequency amplifier. The rated plate
dissipation is 5 kW for most classes of services
and 6 kW for Class AB operation.
Characteristics
Plate Dissipation (Max.)
Screen Dissipation (Max.)
Grid Dissipation (Max.)
Frequency for Max. rating (CW)
Amplification Factor
Filament/Cathode
Voltage
Current
Capacitance
Input
Output
Feedthrough
Capacitance
Input
Output
Feedthrough
Cooling
Base
Air Socket
Air Chimney
Boiler
Length
Diameter
Weight
6,000 Watts
250 Watts
75 Watts
220 MHz
4.5
Thoriated Tungsten
7.5 Volts
75 Amps
Grounded Cathode
120.0 pf
20.5 pf
0.7 pf
Grounded Grid
56.0 pf
21.5 pf
0.1 pf
Forced Air
Special Coaxial
SK-300A/SK-360
SK-306/SK-356
---
9.13 in; 231.8 mm
4.94 in; 125.4 mm
9.5 lb; 4.3 kg
Class of
Operation
C
C
C
AB1
AB1
Maximum Ratings
Typical Operation
Type of Service
RF amplifier
RF amplifier plate modulated
RF amplifier screen modulated
RF linear amplifier
AF amplifier or modulator
Plate
Voltage
(Volts)
Plate
Current
(Amps)
7,500
3.0
5,500
2.5
7,500
3.0
7,500
4.0
7,500
4.0
Plate
Voltage
(Volts)
Screen
Voltage
(Volts)
Plate
Current
(Amps)
Drive Output
Power Power
(Watts) (kiloWatts)
6,500
750
2.3
100
10.0
5,000
500
1.4
25
5.8
7,500
350
1.1
11
3.55
7,500 1,250
1.9
---
10.0
7,000 1,250
3.7
---
17.5
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, Eimac Operation, 607 Hansen Way, Palo Alto, CA 94303
telephone: 1(800) 414-8823. fax: (650) 592-9988 | email: powergrid@cpii.com