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Voltage - Dual Triode (similar) ·Triode-Triode

E188CC

Special-quality high-transconductance double triode for cascode amplifiers and pulse circuits where stable characteristics and long operating life are required.

Directly heatedCold cathodeCommon cathodeDissimilar
Sections
2
Base
Noval
Socket code
B9A
Base pins
9
Nominal heater
6.3 V / 335 mA

Description

Special-quality double triode for cascode amplifiers and pulse circuits where stability and long life are required.

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
Noval
Socket code
B9A
Base pins
9
Nominal heater voltage
6.3 V
Nominal heater current
335 mA
Parallel heater voltage
-
Parallel heater current
-
Series capable
No

Noval - Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

2 physical sections, each with unique specifications.

Section 1

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
8300 Ω
Transconductance
0.0125 S
Amplification factor
33
Max plate voltage
550 V
Max plate dissipation
1.65 W
Max grid dissipation
0.03 W
Max cathode current
22 mA

Representative row for electrically identical repeated section.

Section 2

Triode

X-ray radiationInterelectrode capacitances
Plate resistance
8300 Ω
Transconductance
0.0125 S
Amplification factor
33
Max plate voltage
550 V
Max plate dissipation
1.65 W
Max grid dissipation
0.03 W
Max cathode current
22 mA

Second physical triode section; electrically identical twin section.

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

1963 Amperex Condensed

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Heater voltage

    6.3 V

    Published rating

  • Heater current

    335 mA

    Published rating

  • Published characteristic value

    1.75

    PremiumQuality

  • Published absolute value

    2

    PremiumQuality

Other

  • Maximum plate voltage

    250 V

    PremiumQuality

  • Maximum plate current

    22 mA

    PremiumQuality

Data set 02

1963 Philips Electron Tubes Handbook V1a

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Plate voltage

    100 V

    EachUnit

  • Plate current

    15 mA

    EachUnit

Characteristic

  • Transconductance

    12500 uS

    EachUnit

  • Amplification factor

    33

    EachUnit

Data set 03

1963 Philips Electron Tubes Handbook V3

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Hum voltage Vba

    90 V

    Hum voltage Vba = 90V

  • of the input voltage will generally be less than

    4 V

    of the input voltage will generally be less than 4 V so

  • Heater voltage

    6.3 V

    Chauffage: indirect par C.A. ou C.C. Vf = 6.3 V

  • Heater current

    335 mA

    Heizung : indirekt durch Wechsel- If=335mA

Capacitance

  • Grid-to-plate capacitance

    1.4 pF

    Cag = 1.4 1.2-1.6 pF Ca'g' =. 1.4 1.2-1.6 pF

  • Cathode-heater capacitance

    2.6 pF

    Ckf = 2.6 pF Ck'f = 2.7 pF

  • Heater voltage

    6.3 V

    Vf = 6.3 1 I V

  • Heater current

    335 mA

    If = 335 j 318-352 318-352 mA

Other

  • Plate supply voltage

    100 V

    Vba = 100 V 1)

  • Cathode resistor

    680 ohm

    Rk =680 1 Q 1)

  • Plate current

    15 mA

    Ia = 15 14.2-15.8 1 13.5 mA

  • Transconductance

    12.5 mA/V

    S =12.5 10.5-14.5 9 mA/V

  • Amplification factor

    33

    µ = 33 I

  • Plate supply voltage

    901 V

    Vba = 901 V Va = 150 V

  • Plate voltage

    150 V

    Vba = 901 V Va = 150 V

  • Cathode resistor

    1201 ohm

    Rk = 1201 I 4 -Vg = 15 I V

  • Plate current

    1.2 mA

    Ia = 1.2 1 I mA Ia ( 5 µA

  • Transconductance

    11.51 mA/V

    S = 11.51 i mA/V

  • Plate supply voltage

    1001 V

    Vba = 1001 I V

  • Cathode resistor

    6801 ohm

    Rk = 6801 Q

  • Cathode-heater voltage

    60 V

    Vba = Vba' = 100 V Vkf = Vkf = 60 V (k neg.)

  • Plate supply voltage

    100 V

    Vba = 100 270 V

  • Load resistance

    2 kohm

    Ra = 2 18 kQ

  • Cathode resistor

    680 ohm

    Rk = 680 180 Q

  • Plate supply voltage

    90 V

    Hum voltage Vba = 90V

  • Cathode resistor

    80 ohm

    Brummspannung Rk = 80Q

  • Plate current

    15 mA

    Ia = 15 mA

  • Plate supply voltage

    60 V

    Vba = 60 90 150V

  • Plate current

    4.7 mA

    Ia = 4.7 7.7 11 mA

Data set 04

1963 Siemens

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Typical Plate Voltage

    100 V

  • Typical Plate Current

    15 mA

  • Noise Figure

    4.6 dB

    200MHz Cascode

Data set 05

1967 Mullard Receiving Tubes for Maintenance

Published operating points and test conditions from this source.

SECTION 1

Triode

Characteristic

  • Ih

    335 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • The maximum var iation of heater current at Vh = 6.3V is

    17 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • Anode current 15 14.2 t o 15 .8 >

    13.5 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • Mutual conductance 12.5 10 .5 to 14 .5 >

    9 mA

    Published in approved E188CC.pdf target datasheet; Section1

Other

  • ) * Ca - K 1.2 1.4

    1.6 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • * Ca -k 140 180

    0.22 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • *ca - s 1.1 1.3

    1.5 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca ' - k ' + h +s 1.55 1.75

    1.95 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca"'- k'"'-+ h " s 1.45 1.66

    1.85 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca ' - k ' t h 0.4 0.5

    0.6 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca" - k " t ll 0.3 0.4

    0.5 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • * Cg-k + h ~S 2.7 3.3

    3.9 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • * Cg -k th 2.7 3.3

    3.9 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca' - a" 25

    0.045 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca ' - g "

    0.005 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca" - g '

    0.005 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Cg ' - k '

    0.005 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Cg' - k '

    0.005 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ck ' - h

    2.6 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ck ' - h

    2.7 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • Ca ' - g ' t h t s 2.7 3.0

    3.3 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • c a. . - g..+ h +s 2.6 2.9

    3.2 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • * Ck -- g + h +s 5.1 6.9

    6.9 pF

    Published in approved E188CC.pdf target datasheet; Section1

  • I. 12

    15 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • gm 11.5 12

    5 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • gc 2.9 3.5

    4.1 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • H eater cu r rent 335 318 t o 352 318 to

    352 mA

    Published in approved E188CC.pdf target datasheet; Section1

  • Pg max

    30 mW

    Published in approved E188CC.pdf target datasheet; Section1

  • i k ma x

    22 mA

    Published in approved E188CC.pdf target datasheet; Section1

Data set 06

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

Triode

Other

  • Heater current If

    335 mA

    Heating

  • Anode current I

    15 mA

    Heating

  • Mutual conductance S

    12.5 mA

    Heating

  • Equivalent noise resistance Req

    250 Ω

    Heating

  • Noise factor (f =

    200 MHz

    Heating

  • Heater voltage Vi

    6.3 v

    Characteristics

  • Heater current I¢

    318 to 352 mA

    Characteristics

  • cathode and heater Ikt max

    6 uA

    Characteristics

  • heater Vi =

    60 V

    Characteristics

Characteristic

  • Grid supply voltage +Vbg

    9 v

    Characteristics

  • Cathode resistor Ry

    680 Ω

    Characteristics

  • Anode current I

    14.2 to 15.8 mA

    Characteristics

  • Mutual conductance S

    10.5 to 14.5 mA

    Characteristics

  • Negative grid current —Ig max

    0.1 uA

    Characteristics

  • Equivalent noise resistance Req

    250 Ω

    Characteristics

  • Frequency f =

    45 MHz

    Characteristics

  • Frequency f =

    200 MHz

    Characteristics

  • Frequency f =

    100 MHz

    Characteristics

  • Cut off voltage --Vgl

    15 v

    Characteristics

  • Anode voltage Va

    150 A

    Characteristics

  • Anode current Ia max.,

    5 mA

    Characteristics

  • Anode supply voltage Vha

    90 v

    Characteristics

  • Cathode resistor Ry

    120 Ω

    Characteristics

  • Anode current I,

    12 mA

    Characteristics

  • Mutual conductance S

    11.5 mA

    Characteristics

  • Voltage between electrodes V=200 V

    200 V

    Characteristics

  • Grid resistor Rgl =0.5 MQ

    0.5 MΩ

    Characteristics

  • Vibrational noise output Vg max

    100 mV

    Characteristics

  • Anode supply voltage Vpha =

    100 V

    Characteristics