ZM3274

PPM-focused low-noise traveling-wave amplifier designed for high-gain broadband microwave amplification in radar, ECM, communications, and instrumentation equipment.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

ZM3274 low-noise broadband traveling-wave tube for microwave radar, ECM, communications, or instrumentation service.

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

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Traveling-wave microwave amplifier section; helix, collector, gain, noise, and RF data retained as parameters.

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

1950 General Electric Transmitting Types

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Construction

Device class
Traveling-wave tube
Focusing method
Periodic permanent magnet

Application

Primary application
Low-noise microwave amplification
Application
High-gain broadband microwave amplification

Other

Grid voltage minimum
-30 V
Grid voltage maximum
0 V
Helix voltage relative to coil minimum
-100 V
Helix voltage relative to coil maximum
100 V
Helix current maximum
10 mA