TD035

Mullard high-mu disc-seal triode designed for RF amplification to approximately 2 GHz. Its compact electrode geometry and high amplification factor provide useful microwave-frequency gain.

Directly heatedCold cathodeCommon cathodeDissimilar

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

Description

The Mullard TD035 is a disc-seal triode for RF amplification to 2 GHz.

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

Triode

X-ray radiationInterelectrode capacitances

Amplification factor: 70
Max plate voltage: 350 V
Max plate dissipation: 5 W

Disc-seal triode for RF amplification to 2 GHz.

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

1963 Mullard

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

Maximum Plate Voltage
350 V
Maximum Plate Dissipation
5 W
Maximum Operating Frequency
2000 MHz
Plate Voltage
250 V
RFAmplifier
Grid Voltage
-2 V
RFAmplifier
Plate Current
10 mA
RFAmplifier

Characteristics

Amplification Factor
70 ratio
Noise Factor
9.5 dB
1GHz; PowerGain=15dB
Noise Factor
12 dB
1.5GHz; PowerGain=13.5dB
Noise Factor
14.5 dB
2GHz; PowerGain=11.5dB