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4659

RCA C-band klystron intended for transmitting and industrial microwave service, with condition-specific power-output and cooling ratings.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.5 V / 7.6 A

Description

The 4659 is a C-band klystron. The supplied datasheet was processed for heater or filament data, maximum ratings, operating characteristics, capacitances, cooling/service conditions, and power-output data. Condition-specific transmitting ratings are retained in the section-parameter table.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: 6.5 V
Nominal heater current: 7.6 A
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Klystron

X-ray radiationInterelectrode capacitances

Max plate voltage: 14000 V
Max plate dissipation: 22400 W
Max cathode current: 1.6 A

C-band pulsed klystron

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

Klystron

Characteristics

Nominal Frequency
4.7 GHz
Pulsed RF amplifier
Warm-up Time
180 s
Pulsed RF amplifier

Other

Maximum Pulsed Beam Voltage
14 kV
Pulsed RF amplifier
Maximum Pulsed Beam Current
1.6 A
Pulsed RF amplifier
Maximum Pulse Width
500 µs
Pulsed RF amplifier
Typical Pulsed Beam Voltage
12 kV
Pulsed RF amplifier
Typical Pulsed Beam Current
1.4 A
Pulsed RF amplifier
Typical Pulsed RF Power Output
5 kW
Pulsed RF amplifier
Typical Efficiency
30 %
Pulsed RF amplifier