Data set 01
1960 RCA Industrial and Communications Types
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Application
Application
Beam-power amplifier
Power - Beam Single (NOT sweep) (under 10W) ·BeamPower
5686
Rugged miniature beam-power amplifier designed for mobile and aircraft equipment, supporting Class-A audio output and Class-C RF service through VHF.
Directly heatedCold cathodeCommon cathodeDissimilar
- Sections
- 1
- Base
- 9G
- Socket code
- B9A
- Base pins
- 9
- Nominal heater
- 6.3 V / 350 mA
Description
Ruggedized miniature pentode power amplifier for mobile/aircraft Class A audio and Class C RF service through VHF.
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
- 9G
- Socket code
- B9A
- Base pins
- 9
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 350 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
9G - Terminal pinout
Electrical assignments shared by every tube using this base designation.
| Terminal | Section | Connection | Evidence |
|---|---|---|---|
| PIN1G3 | A | G3 — Suppressor GridGroup 9G1 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN1K | A | K — CathodeGroup 9G1 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN2G1 | A | G1 — Control Grid EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN3G3 | A | G3 — Suppressor GridGroup 9G3 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN3K | A | K — CathodeGroup 9G3 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN4H | — | H — Heater EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN5H | — | H — Heater EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN6G2 | A | G2 — Screen Grid EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN7P | A | P — Plate (Anode) EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN8G3 | A | G3 — Suppressor GridGroup 9G8 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN8K | A | K — CathodeGroup 9G8 EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
| PIN9G2 | A | G2 — Screen Grid EIA transcription; manufacturer corroboration pending | Unverified EIA Base Connections, printed page 130, 9G |
Section ratings
1 physical section, each with unique specifications.
Section 1
Beam Power
X-ray radiationInterelectrode capacitances
- Plate resistance
- 45000 Ω
- Transconductance
- 0.0031 S
- Max plate voltage
- 275 V
- Max screen voltage
- 275 V
- Max plate dissipation
- 8.25 W
- Max screen dissipation
- 3.3 W
- Max cathode current
- 44 mA
- Rectifier max heater-cathode voltage
- 90 V
Class-A maximum ratings and typical transconductance promoted.
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
1961 Tung Sol
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Heater voltage
6.3 V
Nominal
Heater current
350 mA
Nominal
Plate voltage
250 V
Published operating table; OperatingPoint1
Plate voltage
250 V
Published operating table; OperatingPoint1
Screen voltage
250 V
Published operating table; OperatingPoint1
Screen voltage
250 V
Published operating table; OperatingPoint1
Screen voltage
180 V
Published operating table; OperatingPoint1
Screen voltage
250 V
Published operating table; OperatingPoint2
Power output
2.7 W
Published operating table; OperatingPoint1
Characteristic
Plate current
230 mA
Published operating table; OperatingPoint1
Plate current
40 mA
Published operating table; OperatingPoint2
Screen current
15 mA
Published operating table; OperatingPoint1
Screen current
5 mA
Published operating table; OperatingPoint1
Data set 03
1968 General Electric Co
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Plate Voltage
250 V
ClassA
Screen Voltage
250 V
ClassA
Characteristic
Plate Current
27 mA
ClassA
Power Output
2.7 W
ClassA
Data set 04
1971 RCA HB3 Binder 3 of 7
Published operating points and test conditions from this source.
SECTION 1
Beam Power
Other
Maximum plate voltage
- to 275 V
Maximum screen voltage
- to 275 V
Maximum plate dissipation
- to 8.25 W
Maximum screen dissipation
- to 3.3 W
Maximum cathode current
- to 44 mA
AF plate voltage
250 V
ClassA
AF grid No.2 voltage
250 V
ClassA
AF grid No.1 voltage
-12.5 V
ClassA
Zero-signal plate current
27 mA
ClassA
Zero-signal grid No.2 current
3 mA
ClassA
Load resistance
9000 Ω
ClassA
Maximum-signal power output
2.7 W
ClassA
RF plate voltage
250 V
ClassC
RF grid No.2 voltage
180 V
ClassC
RF grid No.2 voltage
250 V
ClassC
RF power output
5 W
ClassC
RF power output
6.5 W
ClassC
Characteristics
Plate resistance
45000 Ω
Transconductance
3100 µS
Plate resistance
45000 Ω
ClassA
Transconductance
3100 µS
ClassA