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Specialized - Klystron ·Klystron

6811

Long-life single-cavity reflex klystron designed for microwave local-oscillator service over approximately 2.5–5.0 GHz, with CW operation and pulse capability where specified.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
Sections
1
Base
-
Socket code
B7G
Base pins
-
Nominal heater
6.3 V / 600 mA

Description

The 6811 is a single-cavity reflex klystron microwave oscillator for pulse or continuous-wave operation from approximately 2500 to 5000 MHz. It is intended for transmitting service and as a local oscillator in microwave relay systems, with special attention to long life.

Socket description

Miniature 7-contact

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base
-
Socket code
B7G
Base pins
-
Nominal heater voltage
6.3 V
Nominal heater current
600 mA
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

Klystron

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Published ratings and characteristics audited; additional numerical data retained in TUBE_SECTION_PARAMETER.

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

1960 Ericsson

Published operating points and test conditions from this source.

SECTION 1

Klystron

Other

  • sonator voltage. In pulsed operation with

    800 V

    sonator voltage. In pulsed operation with 800 volts resonator voltage

  • the control grid should have a negative bias of about

    10

    the control grid should have a negative bias of about 10 volts.

  • Frequency range with suitable cavities [1]

    2500 MHz

    Frequency range with suitable cavities 2500-5000 Mc/s

  • Frequency range with suitable cavities [2]

    -5000 MHz

    Frequency range with suitable cavities 2500-5000 Mc/s

  • Frequency change with temperature

    0.6

    Frequency change with temperature 0.6 Mc/OC

  • Frequency change with resonator voltage

    0.1 V

    Frequency change with resonator voltage 0.1 Mc /volt

  • Heater Voltage [1]

    6.3 V

    Heater Voltage 6.3 7% 5% volts

  • Heater Voltage [2]

    7 V

    Heater Voltage 6.3 7% 5% volts

  • Heater Voltage [3]

    5 V

    Heater Voltage 6.3 7% 5% volts

  • Heater Current

    600 mA

    Heater Current 0.6 amps

  • Control Grid to Cathode

    3

    . Control Grid to Cathode 3 uuF

  • Control Grid to Resonator

    3

    Control Grid to Resonator 3 uuF

  • Resonator Voltage DC

    825 V

    Resonator Voltage DC 825 volts

  • Resonator Current (pulse value)

    100 mA

    Resonator Current (pulse value) 100 milliamps

  • Control Grid Voltage (pulse value) +

    25 V

    Control Grid Voltage (pulse value) + 25 volts

  • Control Grid Current {pulse value)

    20 mA

    Control Grid Current {pulse value) 20 milliamps

  • Reflector Voltage DC Max

    700 V

    Reflector Voltage DC Max. - 700 volts

  • Average Power Input

    9 W

    Average Power Input 9 watts

  • Heater - Cathode Voltage

    90 V

    Heater - Cathode Voltage 90 golts

  • Bulb Temperature

    90

    Bulb Temperature 90 C

  • Resonator Voltage

    375 V

    Resonator Voltage 375 volts

  • Resonator Current

    30 mA

    Resonator Current 30 milliamps

  • Control Grid Voltage +

    12 V

    Control Grid Voltage +12 volts

  • Control Grid Current

    5 mA

    Control Grid Current 5 milliamps

  • Reflector Voltage Max

    700 V

    Reflector Voltage Max. - 700 volts

  • Heater - Cathode Voltage

    90 V

    Heater - Cathode Voltage 90 Xolts

  • TYPICAL OPERATION. FREQUENCY

    4000 MHz

    TYPICAL OPERATION. FREQUENCY 4000 Mc/s. PULSED OPERATION

  • Resonator Voltage DC

    800 V

    Resonator Voltage DC 800 volts

  • Resonator Current (pulse value)

    70 mA

    Resonator Current (pulse value) 70 milliamps .

  • Control Grid Bias for Cutoff

    -10

    Control Grid Bias for Cutoff -10 volts

  • Control Grid Voltage (pulse value)

    25 V

    Control Grid Voltage (pulse value) 25 volts

  • Control Grid Current (pulse value)

    10 mA

    Control Grid Current (pulse value) 10 milliamps

  • Reflector Transit Mode [1]

    2

    Reflector Transit Mode 2 3/4

  • Reflector Transit Mode [2]

    3

    Reflector Transit Mode 2 3/4

  • Reflector Transit Mode [3]

    4

    Reflector Transit Mode 2 3/4

  • Reflector Voltage

    150 V

    Reflector Voltage - 150 volts .

  • Power Output (pulse value)

    1 W

    Power Output (pulse value) 1 watt

  • Electronic Tuning (to half power points)

    30 MHz

    Electronic Tuning (to half power points) 30 Mc/s

  • Modulation Sensitivity Min

    0.4

    Modulation Sensitivity Min. 0.4 Mc /volt

  • Control Grid Resistance

    2000 ohm

    Control Grid Resistance 2000 ohms

  • TYPICAL OPERATION. FREQUENCY

    4000 MHz

    TYPICAL OPERATION. FREQUENCY 4000 Mc/s. CW OPERATION

  • Resonator Voltage

    350 V

    Resonator Voltage 350 volts

  • Resonator Current

    22 mA

    Resonator Current 22 milliamps

  • Control Grid Voltage [1]

    5 V

    Control Grid Voltage 5-10 volts

  • Control Grid Voltage [2]

    -10 V

    Control Grid Voltage 5-10 volts

  • Control Grid Current

    3.5 mA

    Control Grid Current 3.5 milliamps

  • Reflector Transit Mode [1]

    3

    Reflector Transit Mode 3 3/4

  • Reflector Transit Mode [2]

    3

    Reflector Transit Mode 3 3/4

  • Reflector Transit Mode [3]

    4

    Reflector Transit Mode 3 3/4

  • Reflector Voltage

    160 V

    Reflector Voltage - 160 volts

  • Power Output

    0.09 W

    Power Output 0.09 watt

  • Electronic Tuning (to half power points)

    20 MHz

    Electronic Tuning (to half power points) 20 Mc/s

  • Modulation Sensitivity Min,

    0.5

    Modulation Sensitivity Min, 0.5 Mc /volt

  • Control Grid Resistance

    2000 ohm

    Control Grid Resistance 2000 ohms .

  • Published value [1]

    1

    1 Control Grid 5 Heater

  • Published value [2]

    5

    1 Control Grid 5 Heater

  • Published value [1]

    2

    2 Cathode 6 No Connection

  • Published value [2]

    6

    2 Cathode 6 No Connection

  • Published value [1]

    3

    3 Heater 7 Cathode

  • Published value [2]

    7

    3 Heater 7 Cathode

  • Published value

    4

    4 Cathode Reflector to be connected to pin on top of tube.

  • RESONATOR YOLTAGE =

    350

    RESONATOR YOLTAGE = 350 YOLTS

  • COMTROL GRID VOLTAGE = +

    9 V

    COMTROL GRID VOLTAGE = + 9 VOLTS

  • RESCNATOR VOLTAGE «

    330 V

    RESCNATOR VOLTAGE « 330 YOLTS

  • RESONATOR YOLTAGE =

    350

    RESONATOR YOLTAGE = 350 YOLTS ™ Lfi‘c,

  • CONTROL GRID YOLTAGE = +

    9

    CONTROL GRID YOLTAGE = + 9 YOLTS [P fOg »

  • AESONATOR VOLTAGE =

    350 V

    AESONATOR VOLTAGE = 350 VOLTS

  • FREQUENCY

    4700 MHz

    FREQUENCY 4700 Mc/s

  • RESONATOR VOLTAGE =

    350 V

    RESONATOR VOLTAGE = 350 VOLTS AT \

  • FREQUENCY

    4700

    FREQUENCY 4700 Me/s

  • Published value [1]

    0.2 V

    0.2 RESONATOR VOLTAGE « 800 VOLTS

  • Published value [2]

    800 V

    0.2 RESONATOR VOLTAGE « 800 VOLTS

  • RESONATOR VOLTAGE =

    800 V

    RESONATOR VOLTAGE = 800 VOLTS L1

  • || coNTROL GRID VOLTAGE = +

    16 V

    || coNTROL GRID VOLTAGE = + 16 VOLTS P

  • Published value [1]

    1000 V

    . 1000 RESONATOR VOLTAGE = 500 VOLTS

  • Published value [2]

    500 V

    . 1000 RESONATOR VOLTAGE = 500 VOLTS

  • CONTROL GRID VOLTAGE = + [1]

    16 V

    CONTROL GRID VOLTAGE = + 16 VOLTS ,4

  • CONTROL GRID VOLTAGE = + [2]

    4 V

    CONTROL GRID VOLTAGE = + 16 VOLTS ,4

  • RESONATOR VOLTAGE =

    860 V

    RESONATOR VOLTAGE = 860 YOLTS

  • CONTROL GRID YOLTAGE = +

    16

    CONTROL GRID YOLTAGE = + 16 VOLTS

  • RESONATOR VOLTAGE =

    806 V

    RESONATOR VOLTAGE = 806 VOLTS

  • CONTROL GRID YOLTAGE = »

    16

    CONTROL GRID YOLTAGE = » 16 VOLTS

  • FREQUENCY {Mc /

    1

    FREQUENCY {Mc /1]

  • The resonator of the

    6811 V

    The resonator of the 6811 can be either operated at groundpotential with

  • brought out separately. The heatercathode voltage maynot exceed

    90 V

    brought out separately. The heatercathode voltage maynot exceed 90 volts.

  • In the

    6811 V

    In the 6811 the control grid is operating at a positive potential. Positive

  • operation at

    800 V

    operation at 800 volts resonator voltage the grid should have a negative

  • bias of about

    10 W

    bias of about 10 volts. In pulsed condition the average power input may

  • not exceed [1]

    9 V

    not exceed 9 watts and at 800 volts resonator voltage the maximum duty

  • not exceed [2]

    800 V

    not exceed 9 watts and at 800 volts resonator voltage the maximum duty

  • The cavity of the

    6811

    The cavity of the 6811 is of the external type and the mechanical tuning

  • to as reflector modes, e.g [1]

    1

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [2]

    3

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [3]

    4

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [4]

    2

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [5]

    3

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [6]

    4

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [7]

    3

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [8]

    3

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show

  • to as reflector modes, e.g [9]

    4

    to as reflector modes, e.g. 1 3/4, 2 3/4 and 3 3/4. The curves show