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2K56

Single-resonator reflex klystron oscillator covering approximately 3.84–4.46 GHz, with an integral cavity and mechanical tuning for continuous-wave microwave generation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: IO
Base pins: -
Nominal heater: -

Description

2K56 KLYSTRON SINGLE-RESONATOR, REFLEX TYPE __Freauency: 3840 to 4460 Mc. GENERAL DATA Electrical: Heater, for Unipotential Cathode: Voltage. . . « « . . 6.3+0.5, ... a or dc volts Current. . . . . . . 0.44 ... ... amp, Frequency Range. . . . 3840 to 4460 . . . . . . . . . Mc Mechanical: Mounting Position. . . « o v v v v . v o h 0oL . Any Dimensions, Terminal Connections, and Mechanical Tuning Mechanism, . . . See Outline Drawing Resonant Cavity. . . « « + + « « o o . Integral Part of Tube EMVElope & v v v v e e e e e e e e e e e e e e e Metal Cape v v v vt e e e e e e e e e Miniature with Wafer Base . . . . .. ... Small-Wafer Octal 4-Pin with Pin No.4 replaced by Coaxial Qutput Line BOTTOM VIEW Pin 1-Shell, Pin 7- Heater Resonator Pin 8~ Cathode Cap - Reflector Pin 2-Heater Terminal NOTE: COAXIAL OUTPUT LINE PASSES THROUGH VACANT PIN POSITION NO.4 CW OSCILLATOR—Class C Maximum Ratings,

Socket description

International Octal

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: IO
Base pins: -
Nominal heater voltage: -
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

No fixed ratings are recorded for this section.

Source-derived section; promoted values populated where applicable.

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

1940 RCA

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

__Freauency
4460 MHz
__Freauency: 3840 to 4460 Mc.
Voltage. . . « «
0.5 V
Voltage. . . « « . . 6.3+0.5, ... a or dc volts
Current
440 mA
Current. . . . . . . 0.44 ... ... amp,
Frequency Range
4460 MHz
Frequency Range. . . . 3840 to 4460 . . . . . . . . . Mc
DC RESONATOR VOLTAGE . . . . .+ .+ . «
330 V
DC RESONATOR VOLTAGE . . . . .+ .+ . « . . . 330 max. volts
Positive Value . . . . « v v v o o
0 V
Positive Value . . . . « v v v o o 4 .. 0 max. volts
Negative Value + v v « v o v v v v v v
400 V
Negative Value + v v « v o v v v v v v 400 max. volts
DC RESONATOR CURRENT « « . v v« v v v
37 mA
DC RESONATOR CURRENT « « . v v« v v v . 37 max. ma
Heater negative with respect to cathode
50 V
Heater negative with respect to cathode. 50 max. volts
Heater positive with respect to cathode
50
Heater positive with respect to cathode. 50 max. wvolts
DC Resonator Voltage . . . . . . . PN
300 V
DC Resonator Voltage . . . . . . . PN 300 volts
DC Reflector Voltage Range*
-150 V
DC Reflector Voltage Range* . . . . .. -85 to -150 volts
DC Resonator Current
25 mA
DC Resonator Current . . . . . . . . .. 25 ma
Frequency Change®
35 MHz
Frequency Change® . . . . . . .. .. 35 Mc
RESONATOR VOLTS=
300 V
RESONATOR VOLTS=300
RESONATOR VOLTS =
300 V
RESONATOR VOLTS =300