290A Datasheet, PDF (1/1 Pages) List of Unclassifed Manufacturers – Low Cost Single and Multichannel Isolation Amplifier

290A
The 290A is a radial beam pentode intended for
use as a linear amplifier. The anode is forced-air
cooled and has a maximum dissipation rating of 5
kilowatts.
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
5,000 Watts
50 Watts
2 Watts
30 MHz
3.4
Oxide
6.0 Volts
17 Amps
Grounded Cathode
56 pf
18 pf
0.13 pf
pf
pf
pf
Forced Air
Special 7-Pin
SK-291A
N/A
N/A
7.25 in; 18.4 cm
5.53 in; 14.05 cm
9.15 lb; 4.15 kg
Class of
Operation
AB1
Type of Service
RF linear amplifier
Maximum Ratings
Typical Operation
Plate
Voltage
(Volts)
Plate
Current
(Amps)
8,000
2.0
Plate
Voltage
(Volts)
Screen
Voltage
(Volts)
Plate
Current
(Amps)
Drive Output
Power Power
(Watts) (kiloWatts)
6,000
750
1.74
200 6.275
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: [phone]. fax: [phone] | email: [e-mail]