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Specialized - Traveling Wave ·TravelingWave

F6867

8–9.6 GHz traveling-wave amplifier designed for broadband microwave amplification, providing about 30 dB small-signal gain.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
DUODECAL5
Base pins
-
Nominal heater
-

Description

The F6867 is a low-power continuous-wave traveling-wave amplifier with high gain, a metal envelope, and a helix slow-wave structure.

Socket description

Small-shell Duodecal 5-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
DUODECAL5
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

1962 ITT

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Other

  • gain and [1]

    8000 MHz

    gain and 8000 to 9600 mc frequency range. It is constructed in a rugged

  • gain and [2]

    9600 MHz

    gain and 8000 to 9600 mc frequency range. It is constructed in a rugged

  • Heater Voltage [1]

    6.3 V

    Heater Voltage 6.3 (x10%) volts

  • Heater Voltage [2]

    0 V

    Heater Voltage 6.3 (x10%) volts

  • Heater current

    850 mA

    Heater current 0.85 amperes

  • Maximum Anode Voltage (Note [1]

    1 V

    Maximum Anode Voltage (Note 1) 1500 volts

  • Maximum Anode Voltage (Note [2]

    1500 V

    Maximum Anode Voltage (Note 1) 1500 volts

  • Maximum Shell Current (Note [1]

    2 A

    Maximum Shell Current (Note 2 and Note 6) 3 ma

  • Maximum Shell Current (Note [2]

    6 A

    Maximum Shell Current (Note 2 and Note 6) 3 ma

  • Maximum Shell Current (Note [3]

    3 A

    Maximum Shell Current (Note 2 and Note 6) 3 ma

  • Maximum Collector Voltage (Note [1]

    3 V

    Maximum Collector Voltage (Note 3) 1600 volts

  • Maximum Collector Voltage (Note [2]

    1600 V

    Maximum Collector Voltage (Note 3) 1600 volts

  • Maximum Collector Dissipation {(Note [1]

    4 W

    Maximum Collector Dissipation {(Note 4) 25 watts

  • Maximum Collector Dissipation {(Note [2]

    25 W

    Maximum Collector Dissipation {(Note 4) 25 watts

  • Maximum Control Electrode Voltage (Note [1]

    5 V

    Maximum Control Electrode Voltage (Note 5) -250 volts

  • Maximum Control Electrode Voltage (Note [2]

    -250 V

    Maximum Control Electrode Voltage (Note 5) -250 volts

  • Maximum Frequency

    9600 MHz

    Maximum Frequency 9600 mc

  • Minimum Frequency

    8000 MHz

    Minimum Frequency 8000 mc

  • Maximum Glass Temperature

    1600

    Maximum Glass Temperature 1600C

  • Anode Voltage

    1400 V

    Anode Voltage 1400 wvolts

  • Shell Current

    2 A

    Shell Current 2 ma

  • Collector Voltage

    1500 V

    Collector Voltage 1500 wvolts

  • Collector Current

    8 A

    Collector Current 8 ma

  • Control Electrode Voltage (Note [1]

    5 V

    Control Electrode Voltage (Note 5) -15 volts

  • Control Electrode Voltage (Note [2]

    -15 V

    Control Electrode Voltage (Note 5) -15 volts

  • Power Output

    100 W

    Power Output 100 milliwatts

  • Bandwidth [1]

    8 MHz

    Bandwidth 8.0t0 9.6 kmc

  • Bandwidth [2]

    9.6 MHz

    Bandwidth 8.0t0 9.6 kmc

  • Gain over Bandwidth (Small Signal)

    30

    Gain over Bandwidth (Small Signal) 30 db min.

  • Gain over Bandwidth (Power)

    25 W

    Gain over Bandwidth (Power) 25 db min.

  • Beam

    1

    Beam 1.0

  • Note

    1 V

    Note 1: All voltages shown are with respect to cathode. Anode and helix are

  • Note

    2 A

    Note 2: The shell current is the difference between the cathode current and

  • current exceeds

    3 V

    current exceeds 3 ma, high voltage is removed.

  • Note [1]

    3

    Note 3: It is generally desirable to operate the collector at 100 volts positive

  • Note [2]

    100

    Note 3: It is generally desirable to operate the collector at 100 volts positive

  • Note

    4

    Note 4: Forced air cooling of collector is required for average collector

  • power in excess of

    10 W

    power in excess of 10 watts. As the collector power is increased,

  • Note

    5 V

    Note 5: The control electrode voltage is adjusted for maximum beam trans-

  • ( [1]

    2 V

    (2) Turn on cooling air, solenoid voltage (adjust to approximately 1300 gauss),

  • ( [2]

    1300 V

    (2) Turn on cooling air, solenoid voltage (adjust to approximately 1300 gauss),

  • (

    3 V

    (3) Raise high voltage to desired value, adjusting solenoid voltage and control

  • to exceed

    3 A

    to exceed 3 ma shell current. It may be necessary to rotate the tube in

  • (

    4

    (4) The above procedure is not required after initial set up; however, heater

  • applying high voltage. Observance of the

    3 V

    applying high voltage. Observance of the 3 ma maximum limit on shell

  • Published value [1]

    8 A

    8 20 collector current with shell

  • Published value [2]

    20 A

    8 20 collector current with shell

  • current less than

    3 A

    current less than 3 ma,.

  • Published value [1]

    0 MHz

    0 for maximum gain at f = 9. 0 kmc

  • Published value [2]

    9 MHz

    0 for maximum gain at f = 9. 0 kmc

  • Published value [3]

    0 MHz

    0 for maximum gain at f = 9. 0 kmc

  • Z8

    30

    Z8 30l Gain

  • Heater-Cathode A %) [1]

    15

    Heater-Cathode A %) 15/16

  • Heater-Cathode A %) [2]

    16

    Heater-Cathode A %) 15/16