Data set 01
1940 RCA
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Maximum Frequency
175 MHz
Application
Application
RFPower_Oscillator_FrequencyMultiplier text
Power - Beam (NOT sweep) ·BeamPower
5763
Industrial VHF beam-power tube for low-power mobile transmitters, fixed-station drivers, oscillators, and frequency multipliers, providing useful Class-C RF output.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9K
- Socket code
- B9A
- Base pins
- 8
- Nominal heater
- 6.3 V / 750 mA
Description
Industrial VHF beam-power tube for low-power mobile transmitters, fixed-station driver stages, oscillators and frequency multipliers. Extracted from the supplied RCA Receiving Tube Manual excerpt.
Socket description
Small-button Noval 9-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 9K
- Socket code
- B9A
- Base pins
- 8
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 750 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9K - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1P | A | P — Plate (Anode) EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN3G3 | A | G3 — Suppressor Grid EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN4H | — | H — Heater EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN5H | — | H — Heater EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN6G2 | A | G2 — Screen Grid EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN7K | A | K — Cathode EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN8G1 | A | G1 — Control Grid EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
| PIN9G1 | A | G1 — Control Grid EIA transcription; manufacturer verification pending | Unverified EIA Base Connections, printed page 130, 9K |
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 30000 Ω
- Transconductance
- 0.006 S
- Max plate voltage
- 600 V
- Max screen voltage
- 250 V
- Max plate dissipation
- 12 W
- Max screen dissipation
- 1.5 W
- Max cathode current
- 65 mA
- Rectifier max heater-cathode voltage
- 200 V
Published promoted fields populated semantically; identical repeated sections compressed.
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 02
1956 RCA Transmitting Tubes
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
HeaterOrFilamentVoltage
6 V
HeaterOrFilamentCurrent
150 mA
Data set 03
1958 Brimar Radio Valve No 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Maximum Frequency
175 MHz
Full ratings
Power Output
8 W
ClassC; OscillatorOrPowerAmplifier; 50MHz
Frequency Doubler Output
3.6 W
FrequencyMultiplier; 175MHz
Frequency Tripler Output
2.8 W
FrequencyMultiplier; 175MHz
Characteristics
Anode Voltage
250 V
ClassA
Anode Current
45 mA
ClassA
Screen Current
4.7 mA
ClassA
Data set 04
1960 RCA Industrial and Communications Types
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Application
VHF RF amplifier / doubler / tripler
Characteristics
Tube class
VHF beam-power tube
Data set 05
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
RFPowerOutput
8 W
ClassC
Plate Voltage
300 V
ClassC
Data set 06
1966 Tung Sol Electronic Tubes 3 of 4
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Characteristic
Grid-1-to-plate capacitance maximum
0.3 pF
WholeTube
Input capacitance
9.5 pF
WholeTube
Output capacitance
4.5 pF
WholeTube
Transconductance
5100 µS
TypicalOperation
Other
Maximum DC plate voltage
350 V
ClassCTelegraphyICAS
Maximum screen voltage
250 V
ClassC
Maximum DC plate current
50 mA
ClassC
Maximum plate dissipation
13.5 W
ClassCTelegraphyICAS
Maximum screen input
2 W
ClassC
Plate voltage
350 V
ClassCUpTo30MHz
Screen voltage
250 V
ClassCUpTo30MHz
Plate current
48.5 mA
ClassCUpTo30MHz
Screen current
6.2 mA
ClassCUpTo30MHz
Driving power
0.1 W
ClassCUpTo30MHz
Useful power output
12 W
ClassCUpTo30MHz
Data set 07
1971 RCA HB3 Binder 6 of 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Maximum DC Plate Voltage
350 V
VHF beam-power service
Plate Dissipation
13.5 W
VHF beam-power service
Screen Input
1.5 W
VHF beam-power service
Typical Plate Voltage
350 V
VHF beam-power service
Useful Power Output
12 W
VHF beam-power service
Characteristics
Transconductance
7000 µS
VHF beam-power service
Mu Factor, Screen to Control Grid
16
VHF beam-power service
Grid-No.1 to Plate Capacitance
0.3 pF
VHF beam-power service
Input Capacitance
9.5 pF
VHF beam-power service
Output Capacitance
4.5 pF
VHF beam-power service
Data set 08
1975 RCA RC30
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Capacitance
Grid-to-plate capacitance
0.3 pF
Max
Input capacitance
9.5 pF
Output capacitance
4.5 pF
Other
Plate current
50 mA
RFPower
Screen current
16 mA
RFPower ICAS
Useful power output
12 W
ClassC RFPower 30MHz ICAS
Useful power output
7 W
ClassC RFPower 50MHz
Frequency multiplier plate voltage
300 V
FrequencyMultiplier
Frequency doubler power output
2.1 W
FrequencyMultiplier
Frequency tripler power output
1.3 W
FrequencyMultiplier