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Voltage Pentode - Remote Cutoff (single) ·Pentode

EF183

Frame-grid variable-mu pentode designed for television IF and wideband gain-control stages. Its frame-grid construction provides high transconductance while the extended-control characteristic enables effective automatic gain regulation.

Directly heatedCold cathodeCommon cathodeDissimilar

Sections: 1
Base: 9AQ
Socket code: B9A
Base pins: 9
Nominal heater: 6.3 V / 300 mA

Description

Frame-grid variable-mu pentode for television IF and wideband gain-control stages.

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: 9AQ
Socket code: B9A
Base pins: 9
Nominal heater voltage: 6.3 V
Nominal heater current: 300 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

9AQ - Terminal pinout

Electrical assignments shared by every tube using this base designation.

Terminal	Section	Connection	Evidence
PIN1K	A	K — Cathode EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN2G1	A	G1 — Control Grid EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN3K	A	K — Cathode EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN4H	—	H — Heater EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN5H	—	H — Heater EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN6IS	A	IS — Internal Screen EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN7P	A	P — Plate (Anode) EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN8G2	A	G2 — Screen Grid EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ
PIN9G3	A	G3 — Suppressor Grid EIA chart transcription, manufacturer confirmation pending	Unverified EIA Base Connections, printed page 131, 9AQ

Section ratings

1 physical section, each with unique specifications.

Section 1

Pentode

X-ray radiationInterelectrode capacitances

Plate resistance: 300000 Ω
Transconductance: 0.0125 S
Max plate voltage: 300 V
Max screen voltage: 300 V
Max plate dissipation: 2.5 W
Max screen dissipation: 0.65 W
Max cathode current: 25 mA

Published maximum ratings and typical characteristics promoted from the approved source.

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

1961 Ferranti Technical Handbook

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Plate voltage
170 V
Point1
Screen-grid voltage
90 V
Point1
Control-grid voltage
-1.8 V
Point1
Plate current
14 mA
Point1
Screen-grid current
5.3 mA
Point1
Transconductance
14000 uS
Point1
Plate resistance
350000 Ohm
Point1
Plate voltage
200 V
Point2
Transconductance
12500 uS
Point2
Plate resistance
500000 Ohm
Point2
Plate voltage
230 V
Point3
Transconductance
10600 uS
Point3
Plate resistance
640000 Ohm
Point3

Data set 02

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Plate voltage
200 V
IFAmplifier
Screen voltage
20 V
IFAmplifier
Control-grid voltage
-2 V
IFAmplifier
Plate current
12 mA
IFAmplifier
Screen current
4.5 mA
IFAmplifier
Application
Frame-grid remote-cutoff IF amplifier for television
Section1

Characteristic

Plate resistance
500000 Ω
IFAmplifier
Transconductance
12500 µS
IFAmplifier

Data set 03

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristic

Heater voltage
6.3 V
Published heater rating
Heater current
300 mA
Published heater rating
Transconductance
12500 µS
IFAmplifier
Plate resistance
500000 ohm
IFAmplifier

Other

Plate voltage
200 V
IFAmplifier
Screen voltage
90 V
IFAmplifier
Grid bias
-2 V
IFAmplifier
Plate current
12 mA
IFAmplifier
Screen current
4.5 mA
IFAmplifier

Data set 04

1967 Mullard Receiving and Amplifying Valves

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

I. 11.6 11.8 11 .7
11.4 mA
Published in approved EF183 target datasheet entry; Section1
Ig2 4.3 4.4 4.4
4.3 mA
Published in approved EF183 target datasheet entry; Section1
gm 12 .3 12.4 12 .2
12 mA
Published in approved EF183 target datasheet entry; Section1
Itota1 16 27 24
21 mA
Published in approved EF183 target datasheet entry; Section1
I. 11.8 11.9 12
11.6 mA
Published in approved EF183 target datasheet entry; Section1
Ig2 4.4 4.5 4.5
4.4 mA
Published in approved EF183 target datasheet entry; Section1
gm 12.3 12.5 12.5
15.5 mA
Published in approved EF183 target datasheet entry; Section1
ltotal 19.7 18 .5 14.7
16 mA
Published in approved EF183 target datasheet entry; Section1
la 11.7 12 11.8
11.4 mA
Published in approved EF183 target datasheet entry; Section1
Ig2 4.3 4.5 4.4
4.3 mA
Published in approved EF183 target datasheet entry; Section1
gm 12.4 13 12.3
12 mA
Published in approved EF183 target datasheet entry; Section1
Itotal 16 27 24
21 mA
Published in approved EF183 target datasheet entry; Section1
la 11.8 12
12 mA
Published in approved EF183 target datasheet entry; Section1

Data set 05

1968 Mazda Belvu

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Screen Voltage
300 V
Maximum Plate Dissipation
2.5 W
Maximum Screen Dissipation
0.6 W
Maximum Cathode Current
25 mA

Characteristic

Transconductance
12500 µS
Typical
Plate Resistance
300000 ohm
Typical

Data set 06

1972 Philips Receiving Tubes

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
300 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Screen Voltage
300 V
Maximum Plate Dissipation
2.5 W
Maximum Screen Dissipation
0.65 W
Maximum Cathode Current
25 mA

Characteristic

Transconductance
12500 µS
Typical
Plate Resistance
300000 ohm
Typical

Data set 07

1973 Mazda Valves Binder 2

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater Voltage Vh
63 V
Heater Current Ih
300 mA
Maximum Anode Dissipation pa( max i
25 W
Maximum Screen Grid Dissipation pg2( max (
65 W
Maximum Anode Voltage Va(max)
250 V
Maximum Screen Grid Voltage Vga( maxi
250 V
Maximum Heater to Cathode Voltage (R.M.S.) Vh-k(r.m.s.(max
150 V

Characteristic

Input c;n 9.5 99
110 pF
Output tout 30 3.4
3.5 pF
Grid 1 to Anode cgt_a <00055 <00065 <
75 pF
Grid 1 to Grid 2 cg t -g, 28 28
28 pF
Supply Voltage Vb
200 V
Anode Voltage Va 170 200 230
188 V

Data set 08

1975 RCA RC30

Published operating points and test conditions from this source.

SECTION 1

Pentode

Other

Heater Voltage (ac/dc) 3.4 4.4
6.3 V
Published in approved XF183 target datasheet entry; Section1
Heater Current 0.6 0.45
300 mA
Published in approved XF183 target datasheet entry; Section1
Plate Supply Voltage
550 V
Published in approved XF183 target datasheet entry; Section1
Plate Voltage
250 V
Published in approved XF183 target datasheet entry; Section1
Grid-No.3 (Suppressor-Grid) Voltage, Positive value
0 V
Published in approved XF183 target datasheet entry; Section1
Grid-No.2 (Screen-Grid) Supply Voltage
550 V
Published in approved XF183 target datasheet entry; Section1
Grid-No.2 Voltage
250 V
Published in approved XF183 target datasheet entry; Section1
Cathode Current
20 mA
Published in approved XF183 target datasheet entry; Section1
Plate Dissipation
2.5 W
Published in approved XF183 target datasheet entry; Section1
Grid-No.2 Input
0.65 W
Published in approved XF183 target datasheet entry; Section1
Plate Voltage
200 V
Published in approved XF183 target datasheet entry; Section1
Grid-No.2 Voltage
90 V
Published in approved XF183 target datasheet entry; Section1

Characteristic

Grid-No. 1 Voltage
-2 V
Published in approved XF183 target datasheet entry; Section1

Data set 09

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Pentode

Characteristics

Heater voltage
6.3 V
Heater current
300 mA
Typical plate voltage
200 V
Typical screen voltage
90 V
Typical grid voltage
-2 V
Typical plate current
12 mA
Typical screen current
4.5 mA
Transconductance
12500 uS
Plate resistance
500000 ohm
Equivalent noise resistance at 40 MHz
490 ohm

Capacitance

Grid input capacitance
9.5 pF
Plate output capacitance
3 pF
Plate-grid capacitance maximum
0.005 pF