TH3525

High-efficiency long-life traveling-wave amplifier for communications satellites around 11 GHz, providing approximately 20 W output and high saturated gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

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

Description

High-efficiency long-life 11-12 GHz TWT for communications satellites.

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.

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

1972 Thomson CSF

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

Frequency Range
10.95-11.70 GHz
RF Output Power
>=20 W
Gain
>=55 dB
Saturation Gain Minimum
55 dB
Small-Signal Gain Minimum
60 dB
Overall Electrical Efficiency Minimum
40 percent
Typical Overall Efficiency
43 percent
Useful Cathode Life
200000 h