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Specialized - Traveling Wave ·TravelingWave

LD570

Narrowband 2.7–2.9 GHz traveling-wave amplifier providing at least 20 dB small-signal gain for microwave amplification.

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

Description

The LD570 is a low-noise traveling-wave preamplifier covering approximately 2.7 to 2.9 GHz for microwave measurement equipment and relay systems.

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
6 V
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.

Published maximum ratings and characteristics audited; remaining numeric data retained densely in parameter table.

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

1971 NEC

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • and a minimum small signal gain of

    20

    and a minimum small signal gain of 20 db, and is used over the frequency

  • Heater Voltage ....eiveviivecccannens veees L to

    7 V

    Heater Voltage ....eiveviivecccannens veees L to 7TV

  • Heater Currefit ........... .;

    0.7

    Heater Currefit ........... .; .............. 0.7 A Max.

  • Frequency Range «.veeeeeenereeeacnanroonnns [1]

    2700 MHz

    Frequency Range «.veeeeeenereeeacnanroonnns 2,700 to 2,900 Mc/s

  • Frequency Range «.veeeeeenereeeacnanroonnns [2]

    2900 MHz

    Frequency Range «.veeeeeenereeeacnanroonnns 2,700 to 2,900 Mc/s

  • Input and Output VSWR ......cceiievennn.,

    2

    Input and Output VSWR ......cceiievennn., 2.0 Max.

  • Anode

    1 V

    Anode 1 Voltage

  • Anode

    2 V

    Anode 2 Voltage

  • Anode

    3 V

    Anode 3 Voltage

  • Anode [1]

    1 A

    Anode 1, 2 & 3 Current ....

  • Anode [2]

    2 A

    Anode 1, 2 & 3 Current ....

  • Anode [3]

    3 A

    Anode 1, 2 & 3 Current ....

  • Published value [1]

    4

    4 ANODE 2 '

  • Published value [2]

    2

    4 ANODE 2 '

  • Published value [1]

    5

    5 ANODE 1

  • Published value [2]

    1

    5 ANODE 1

  • Published value

    6

    6 GRID

  • Published value

    7

    7 HEATER & CATHODE

  • Published value

    8

    8 | HEATER