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Specialized - Traveling Wave ·TravelingWave

LD605

Broadband traveling-wave power amplifier covering approximately 5.85–7.2 GHz, with saturated output around 16–23 watts depending on frequency.

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

Description

The LD605 is a continuous-wave traveling-wave amplifier covering approximately 5.85 to 7.2 GHz with depressed-collector operation and broadband microwave 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
-
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 of [1]

    585

    frequency range of 5,85 kic to 7.2 kMc. For the frequency band of 5.85 kMc

  • frequency range of [2]

    7.2

    frequency range of 5,85 kic to 7.2 kMc. For the frequency band of 5.85 kMc

  • frequency range of [3]

    5.85

    frequency range of 5,85 kic to 7.2 kMc. For the frequency band of 5.85 kMc

  • to [1]

    6.45

    to 6.45 kMc, this tube type has an average gain of LO db at 10 watt out-

  • to [2]

    10

    to 6.45 kMc, this tube type has an average gain of LO db at 10 watt out-

  • put level and a saturated output power of about

    20 W

    put level and a saturated output power of about 20 watts. For the frequency

  • band of [1]

    6.45

    band of 6.45 kMc to 7.2 kMc, the average gain at 10 watt output level

  • band of [2]

    7.2

    band of 6.45 kMc to 7.2 kMc, the average gain at 10 watt output level

  • band of [3]

    10

    band of 6.45 kMc to 7.2 kMc, the average gain at 10 watt output level

  • is [1]

    38 W

    is 38 db and the saturated output power is about 17 watts.

  • is [2]

    17 W

    is 38 db and the saturated output power is about 17 watts.

  • magnet focusing mount, type LD

    605

    magnet focusing mount, type LD-605 Mount, incorporated with waveguide

  • temperature exceed

    559

    temperature exceed 559C or the mount axis is vertical.

  • Published value

    1

    1. PPM Focused and Field RHeplaceable.,

  • Published value

    2

    2. Depressed Collector Operation for Improved Efficiency.

  • Collector Voltage (Eb) [1]

    1900 V

    Collector Voltage (Eb) 1900 Vde 2100 Vdc

  • Collector Voltage (Eb) [2]

    2100 V

    Collector Voltage (Eb) 1900 Vde 2100 Vdc

  • Collector Current (Ib) —

    40 A

    Collector Current (Ib) — 40 mAdc

  • Helix Voltage (Ew) [1]

    3000 V

    Helix Voltage (Ew) 3000 Vdc 3600 Vdc

  • Helix Voltage (Ew) [2]

    3600 V

    Helix Voltage (Ew) 3000 Vdc 3600 Vdc

  • Helix Current (Iw) —

    2 A

    Helix Current (Iw) — 2.0 mAdc

  • Accelerating Anode Voltage (Ea) —_

    3600 V

    Accelerating Anode Voltage (Ea) —_ 3600 Vdc

  • Accelerating Anode Current (Ia) —

    1 A

    Accelerating Anode Current (Ia) — 1.0 mAdc

  • Focusing Zlectrode Voltage (Ec) [1]

    -60 V

    Focusing Zlectrode Voltage (Ec) -60 Vde -20 Vde

  • Focusing Zlectrode Voltage (Ec) [2]

    -20 V

    Focusing Zlectrode Voltage (Ec) -60 Vde -20 Vde

  • Collector Dissipation —

    8 W

    Collector Dissipation — 8, W

  • Collector Seal Temperature —

    130

    Collector Seal Temperature — 130 °¢C

  • Mount Ambient Temperature Range [1]

    -10

    Mount Ambient Temperature Range -10 °C +55 °C

  • Mount Ambient Temperature Range [2]

    55

    Mount Ambient Temperature Range -10 °C +55 °C

  • Cathode Heating Time

    90

    Cathode Heating Time 90 sec., —

  • Cold input and output match over [1]

    5.85

    Cold input and output match over 5.85 to 6.45 and

  • Cold input and output match over [2]

    6.45

    Cold input and output match over 5.85 to 6.45 and

  • Hot input match over [1]

    5.85

    Hot input match over 5.85 to 6.45 and 6.45 to 7.2 kMc ..... VaWR

  • Hot input match over [2]

    6.45

    Hot input match over 5.85 to 6.45 and 6.45 to 7.2 kMc ..... VaWR

  • Hot input match over [3]

    6.45

    Hot input match over 5.85 to 6.45 and 6.45 to 7.2 kMc ..... VaWR

  • Hot input match over [4]

    7.2

    Hot input match over 5.85 to 6.45 and 6.45 to 7.2 kMc ..... VaWR

  • Hot output match over [1]

    5.85

    Hot output match over 5.85 to 6.45 kMc ........ vereresaeees VOWR

  • Hot output match over [2]

    6.45

    Hot output match over 5.85 to 6.45 kMc ........ vereresaeees VOWR

  • Hot output match over [1]

    6.45

    Hot output match over 6.45 to 7.2 kMc ......... b . VSWR < 2

  • Hot output match over [2]

    7.2

    Hot output match over 6.45 to 7.2 kMc ......... b . VSWR < 2

  • Hot output match over [3]

    2

    Hot output match over 6.45 to 7.2 kMc ......... b . VSWR < 2

  • Heater Current at [1]

    6.3 A

    Heater Current at 6.3 Volts ..........c.... Ceeeetreieaaes . 0.6 A

  • Heater Current at [2]

    600 mA

    Heater Current at 6.3 Volts ..........c.... Ceeeetreieaaes . 0.6 A

  • Frequency (kic) [1]

    5.85

    Frequency (kic) 5.85 6.45 7.2

  • Frequency (kic) [2]

    6.45

    Frequency (kic) 5.85 6.45 7.2

  • Frequency (kic) [3]

    7.2

    Frequency (kic) 5.85 6.45 7.2

  • RF Output Power (W) [1]

    12 W

    RF Output Power (W) 12 10 7

  • RF Output Power (W) [2]

    10 W

    RF Output Power (W) 12 10 7

  • RF Output Power (W) [3]

    7 W

    RF Output Power (W) 12 10 7

  • RF Saturated Output (W) [1]

    23

    RF Saturated Output (W) 23 19 16

  • RF Saturated Output (W) [2]

    19

    RF Saturated Output (W) 23 19 16

  • RF Saturated Output (W) [3]

    16

    RF Saturated Output (W) 23 19 16

  • (

    0.1

    (0.1 mW input level)

  • current due to other magnetic materials less than

    100 mA

    current due to other magnetic materials less than 0.1 mA,

  • Published value

    5.1 V

    5.1 Apply the heater voltage and allow a minimum warm-up period

  • Published value

    5.2 V

    5.2 Set the focusing electrode, collector and helix voltages

  • Published value

    5.3 V

    5.3 OSwitch on all voltages. Accelerating anode voltage should

  • Published value

    5.4 A

    5.4 Adjust tube position carefully to optimize current transmission

  • Published value

    5.5

    5.5 Apply the specified rf drive and adjust accelerating anode

  • Published value

    5.6 V

    5.6 Adjust the helix voltage for optimum operation.

  • The helix voltage should never be made to exceed

    3600 V

    The helix voltage should never be made to exceed 3600 volts

  • or fall below

    3000 V

    or fall below 3000 volts. If the helix voltage is above or

  • below

    1900

    below 1900 volts with respect to the cathode,

  • Published value

    5.7

    5.7 Readjust tube position and adjust the focusing electrode