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Specialized - Microwave Tube ·Microwave

1Q26A

Vacuum-sealed fixed-frequency transmission reference cavity at 9.28 GHz, designed as a stable passive frequency-determining standard.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
-
Base pins
-
Nominal heater
-

Description

The GL-1Q26-A is a fixed-frequency transmission-type vacuum-sealed reference cavity for use as a frequency-determining reference at 9280 megacycles.

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
-
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

Microwave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

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

1968 General Electric Co

Published operating points and test conditions from this source.

SECTION 1

Microwave

Characteristic

  • Resonant frequency

    9280 MHz

  • Loaded Q

    1000 to 1500

  • Insertion loss

    5 to 8 dB

Other

  • Ambient temperature

    -55 to 100 C

  • Incident peak power maximum

    5000 W

  • Resonant frequency change with vibration 10 g

    -0.1 to 0.1 MHz

  • Resonant frequency change with temperature 40 C to +100 C

    -0.3 to 0.3 MHz