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Specialized - Traveling Wave ·TravelingWave

LD590

3.6–4.2 GHz traveling-wave amplifier providing about 28 dB small-signal gain and approximately 3 watts saturated RF output.

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

Description

The LD590 is a low-noise traveling-wave tube covering approximately 3.6 to 4.2 GHz for microwave amplification, with natural cooling and milliwatt-level saturated output.

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

  • frequency range [1]

    3600 MHz

    frequency range 3,600 to 4,200 Mc/s. The nominal noise figure is 6.5db

  • frequency range [2]

    4200 MHz

    frequency range 3,600 to 4,200 Mc/s. The nominal noise figure is 6.5db

  • frequency range [3]

    6.5 MHz

    frequency range 3,600 to 4,200 Mc/s. The nominal noise figure is 6.5db

  • and the nominal gain at small signal level is

    28

    and the nominal gain at small signal level is 28db with a typical saturat-

  • ed power output of

    3 W

    ed power output of 3mW.

  • Frequency RENEE eevesvcevecsrececsesssonssss [1]

    3600

    Frequency RENEE eevesvcevecsrececsesssonssss 3,600 to 4,200 Me/s

  • Frequency RENEE eevesvcevecsrececsesssonssss [2]

    4200

    Frequency RENEE eevesvcevecsrececsesssonssss 3,600 to 4,200 Me/s

  • Slnall Signal Gain PP s [1]

    0

    Slnall Signal Gain PP s 00 Pt PO PO RORISOIEDS 25db Min.

  • Slnall Signal Gain PP s [2]

    25

    Slnall Signal Gain PP s 00 Pt PO PO RORISOIEDS 25db Min.

  • Heater Voltage ceeerecsssnscccecscossasnc

    6 V

    Heater Voltage ceeerecsssnscccecscossasnc 6.0 v

  • Heater €urrent .cveveceacoceccoencoconcs

    454

    Heater €urrent .cveveceacoceccoencoconcs 0,454

  • Grid Voltage seevesesococsssoocacrasoncas

    0 V

    Grid Voltage seevesesococsssoocacrasoncas 0V

  • Anode [1]

    1 V

    Anode 1 Voltage seeeeeccvenscvsocnssnnns 20 v

  • Anode [2]

    20 V

    Anode 1 Voltage seeeeeccvenscvsocnssnnns 20 v

  • Anode [1]

    3

    Anode 3 Volbage ceececceocecovssencnnans 380 v

  • Anode [2]

    380

    Anode 3 Volbage ceececceocecovssencnnans 380 v

  • Anode [1]

    1 A

    Anode 1, 2 & 3 Currents esieevecssoveenss 0 wA

  • Anode [2]

    2 A

    Anode 1, 2 & 3 Currents esieevecssoveenss 0 wA

  • Anode [3]

    3 A

    Anode 1, 2 & 3 Currents esieevecssoveenss 0 wA

  • Anode [4]

    0 mA

    Anode 1, 2 & 3 Currents esieevecssoveenss 0 wA

  • Helix VOltage G PP ORIt sseRs s be

    540 V

    Helix VOltage G PP ORIt sseRs s be 540 v

  • Helix Current

    2900000 A

    Helix Current 2900000 s0 PRIt RROePR O

  • Collector Voltage et N [1]

    0 V

    Collector Voltage et N 0P Psssen s 0t 800 v

  • Collector Voltage et N [2]

    0 V

    Collector Voltage et N 0P Psssen s 0t 800 v

  • Collector Voltage et N [3]

    800 V

    Collector Voltage et N 0P Psssen s 0t 800 v

  • Coliector Current .iseeee sovcosococenes

    200 A

    Coliector Current .iseeee sovcosococenes 200 na

  • Small Slgnal Gain eseqetcevsecvssnnressae

    28

    Small Slgnal Gain eseqetcevsecvssnnressae 28 db

  • Saturated Power Output seeevveecsensecses

    3 W

    Saturated Power Output seeevveecsensecses 3 MW

  • Published value [1]

    2

    2 ANODE 3 _ < *

  • Published value [2]

    3

    2 ANODE 3 _ < *

  • ANODE [1]

    2

    ANODE 2 == 3I5DIA. MAX :&

  • ANODE [2]

    3

    ANODE 2 == 3I5DIA. MAX :&

  • Published value

    5

    5 ANODE | -

  • Published value

    6

    6 GRID

  • Published value

    7

    7 | HEATER % CATHODE Bl

  • Published value

    8

    8 HEATER \ )