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A horizontal ribbon.

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A horizontal ribbon.

2K26
Reflex Klystron

EIA Base & Outline

EIA Base: 2K26EIA Bulb: 2K26
Source ........................................ RCA DS 11/48

Application

Source ........................................ RCA DS 11/48
This type is used as a local oscillator at 6.25-7.0 GHz in RADAR equipment. Requires a modified octal socket.

Mechanical Data

Source ........................................ RCA DS 11/48
Bulb .......................................... Metal
Base Type ..................................... Small-Wafer Octal 4-Pin with Pin No. 4 replaced by Coaxial Output Line.
EIA Outline ................................... 2K26
Maximum Overall Height ........................ 3.500 In.
Maximum Seated Height ......................... 2.250 In.
Maximum Diameter .............................. 1.610 In.
EIA Base ...................................... 2K26
Top Cap ....................................... Miniature
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA DS 11/48
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.44 A
Maximum Heater-Cathode Voltage ................ 50 V

Maximum Ratings (Design Center Values)

Klystron
Source ........................................ RCA DS 11/48
Beam Voltage .................................. 330 V
Beam Current .................................. 35 mA
Reflector Voltage
Positive Voltage ........................... 0 V
Negative Voltage ........................... 350 V
Ambient Temperature of Shell .................. 110 °C
Ambient Temperature of Base ................... 90 °C

Characteristics and Typical Operation

Klystron
Source ........................................ RCA DS 11/48
Reflector Mode ................................ A
Frequency ..................................... 6.6 GHz
Power Output .................................. 120 mW
Beam Voltage .................................. 300 V
Beam Current .................................. 25 mA
Reflector Voltage (approx) .................... -100 V
Half-Power Electronic Tuning Range ............ 55 MHz

A horizontal ribbon.

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A horizontal ribbon.

(c) 1994-2021 by William A. Beech, NJ7P

Tue, 04 Oct 2022 15:47:43 -0700