6861

Traveling-wave microwave amplifier providing broadband RF gain through interaction between an electron beam and a slow-wave structure.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: B7G
Base pins: 8
Nominal heater: 5.25 V / 500 mA

Description

Helix traveling-wave amplifier tube for microwave wide-band amplification.

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: 8
Nominal heater voltage: 5.25 V
Nominal heater current: 500 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

TravelingWave

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Traveling-wave tube. Collector/helix/grid voltages and currents, gain, noise figure, and frequency-range data are 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 RCA Industrial and Communications Types

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristics

Heater Voltage
6.3 V
Frequency Minimum
2700 MHz
Frequency Maximum
3500 MHz

Data set 02

1964 RMA EIA

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

Heater Voltage
5 V
Heater Current
650 mA
Heater Voltage
5 V
HeaterCurrentMinimum
450 mA
HeaterCurrentMaximum
850 mA
HelixVoltageMinimum
350 V
HelixVoltageMaximum
390 V
SaturatedPowerOutput
1 mW
FocusingMethod
Magnetic
Application
Wide-band traveling-wave amplifier

Data set 03

1971 English Electric Valve

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristic

FrequencyMinimum
2.7 GHz
FrequencyMaximum
3.5 GHz
SaturationOutputPower
10 W
LowLevelGain
23 dB

Data set 04

1971 RCA HB3 Binder 6 of 7

Published operating points and test conditions from this source.

SECTION 1

TravelingWave

Characteristics

i7seful over frequency range of 2700 to 3500.Mc — published value 1
2700 MHz
Published datasheet value
i7seful over frequency range of 2700 to 3500.Mc — published value 2
3500 MHz
Published datasheet value
Voltage
5
Published datasheet value
Current at 5 volts — published value 1
5 A
Published datasheet value
Current at 5 volts — published value 2
650 mA
Published datasheet value
Frequency Range — published value 1
2700 MHz
Published datasheet value
Frequency Range — published value 2
3500 MHz
Published datasheet value
Pin 1 -Grid No.l — published value 1
1
Published datasheet value
Pin 1 -Grid No.l — published value 2
5
Published datasheet value
P i n 2 - No Connec — published value 1
2
Published datasheet value
P i n 2 - No Connec — published value 2
6
Published datasheet value
tion
7
Published datasheet value
Pin 3 -Hel ix — published value 1
3
Published datasheet value
Pin 3 -Hel ix — published value 2
8
Published datasheet value
Pin 4 -Grid No.4
4
Published datasheet value
DC Collector Voltage
400
Published datasheet value
DC Hel ix Voltage
375
Published datasheet value
DC Grid—No.4 Voltage
200
Published datasheet value
DC Grid—No.3 Voltage
40
Published datasheet value
DC Grid—No.2 Voltage (APProx.)
20
Published datasheet value
DC Grid—No.1 Voltage
0
Published datasheet value
DC Collector Current
150
Published datasheet value
DC Hel ix Current
0.5
Published datasheet value
DC Grid—No.3 Current
1
Published datasheet value
Gain (Low level)
25
Published datasheet value
Power Output (Saturated)
1
Published datasheet value
Heater Current — published value 1
1 A
Published datasheet value
Heater Current — published value 2
450 mA
Published datasheet value
Heater Current — published value 3
850 mA
Published datasheet value
DC Hel ix Voltage — published value 1
3
Published datasheet value
DC Hel ix Voltage — published value 2
350
Published datasheet value
DC Hel ix Voltage — published value 3
390
Published datasheet value
DC Grid—No.4 Voltage — published value 1
3
Published datasheet value
DC Grid—No.4 Voltage — published value 2
160
Published datasheet value
DC Grid—No.4 Voltage — published value 3
275
Published datasheet value
DC Grid—No.3 Voltage — published value 1
3
Published datasheet value
DC Grid—No.3 Voltage — published value 2
20
Published datasheet value
DC Grid—No.3 Voltage — published value 3
50
Published datasheet value
Saturated Power Output — published value 1
3
Published datasheet value
Saturated Power Output — published value 2
0.25
Published datasheet value
Gain — published value 1
3
Published datasheet value
Gain — published value 2
20
Published datasheet value
Note 1: with heater voltage of 5 volts — published value 1
1
Published datasheet value
Note 1: with heater voltage of 5 volts — published value 2
5
Published datasheet value
g ausse5, signal frequency of 3100 MC, antl heater voltage of 5 volts — published value 1
3100 MHz
Published datasheet value
g ausse5, signal frequency of 3100 MC, antl heater voltage of 5 volts — published value 2
5 MHz
Published datasheet value
GRID-No.4 VOLTS =200
200
Published datasheet value
GRID-N o.3 YOlTS =40
40
Published datasheet value
SIGNAL FREQUENCY (Nc) =3100
3100
Published datasheet value
SIGNAL FREQUENCY (Nc) =3100
3100
Published datasheet value
HELIX VOLTS =375 GRID-No.4 VOLTS =200 — published value 1
375
Published datasheet value
HELIX VOLTS =375 GRID-No.4 VOLTS =200 — published value 2
200
Published datasheet value
GRID-No.3 VOLTS =40
40
Published datasheet value
SIGNAL FREQUENCY (Mc) =3100
3100 MHz
Published datasheet value
SIGNAL FREQUENCY - Mc — published value 1
92 MHz
Published datasheet value
SIGNAL FREQUENCY - Mc — published value 2
89717 MHz
Published datasheet value
POWER INPUT - dbm — published value 1
92
Published datasheet value
POWER INPUT - dbm — published value 2
89697
Published datasheet value
Typical low-level gain
25 dB
Typical noise figure
6.5 dB

Other

DC COLLECTOR VOLTAGE
500 mA
Published datasheet value
DC HELIX VOLTAGE
500 mA
Published datasheet value
DC GRID-No.4 VOLTAGE
500 mA
Published datasheet value
DC GRID-No.3 VOLTAGE
300 mA
Published datasheet value
DC GRID-No.2 VOLTAGE
75 mA
Published datasheet value
` "~^/
20 mA
Published datasheet value
DC COLLECTOR CURRENT
500 mA
Published datasheet value
DC HELIX CURRENT
5 mA
Published datasheet value
PEAK RF POWER INPUT
100 mA
Published datasheet value
AVERAGE RF POWER INPUT
0.4 mA
Published datasheet value
Maximum collector voltage
500 V
Maximum helix voltage
500 V