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1K125CA

Ceramic-metal reflex klystron designed for microwave oscillator service in its specified C- or X-band frequency range.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: 6.3 V / -

Description

C-band reflex klystron for oscillator service with the frequency and output characteristics published on its Eimac datasheet.

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: 6.3 V
Nominal heater current: -
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 cathode current: 110 mA

Reflex klystron: specialized resonator/repeller ratings have no direct promoted columns and are preserved in TUBE_SECTION_PARAMETER; published maximum cathode current is promoted.

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

1962 Eimac

Published operating points and test conditions from this source.

SECTION 1

Klystron

Characteristic

Frequency Range
3700 to 4400 MHz
Published Output Power
1250 mW
Minimum or typical as stated by source

Other

Maximum DC Resonator Voltage
1200 V
Maximum Negative Repeller Voltage
750 V
Negative with respect to cathode
Maximum Positive Repeller Voltage
0 V
Positive with respect to cathode
Typical DC Resonator Voltage
1000 V
Typical DC Cathode Current
80 mA
Typical Power Output
1250 mW
Maximum Heater-Cathode Voltage
145 V
Heater Current Maximum
1.5 A