Voltage - Dual Triode (similar) ·Triode-Triode
Dual triode designed for FM receiver front ends, combining RF amplification with self-oscillating frequency-converter service and useful low-noise performance around 100 MHz.
Dual triode for RF amplification and self-oscillating frequency-converter service, especially in FM receivers.
Small-button Noval 9-contact
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
2 physical sections, each with unique specifications.
Section 1
Representative section for two equal triode systems.
Section 2
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
0L e e e e e d e e j Vft
63 V
Triode
Alimentation du filament en paraliele. | If — 435mA
435 mA
Triode
Tension de l'anode
250 V
Triode
Courant anodique
10 mA
Triode
Tension de la grille
2.3 V
Triode
Resistance interne
97 Kohm
Triode
Capacite anode-grille
15 pF
Triode
Capacite anode-cathode
0.18 pF
Triode
Data set 02
Published operating points and test conditions from this source.
HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
435 mA
Nominal
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
2.5 W
Maximum Cathode Current
20 mA
Transconductance
6000 µS
Typical
Amplification Factor
58
Typical
Data set 03
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Heater current
435 mA
Maximum plate voltage
300 V
Maximum plate dissipation per section
2.5 W
Amplification factor
60
Transconductance
6000 uS
Plate resistance
9700 ohm
Grid-plate capacitance
1.5 pF
Data set 04
Published operating points and test conditions from this source.
Plate voltage
230 V
RFAmplifier
Grid voltage
-2 V
RFAmplifier
Plate current
10 mA
RFAmplifier
Plate current
5.2 mA
Mixer
Amplification factor
57
RFAmplifier
Plate resistance
9700 ohm
RFAmplifier
Transconductance
6000 µS
RFAmplifier
Data set 05
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Heater Current
435 mA
Application
FMRFAmplifierFrequencyChanger
Data set 06
Published operating points and test conditions from this source.
HeaterVoltageNominal
6.3 V
Nominal
HeaterCurrentNominal
435 mA
Nominal
Maximum Plate Voltage
250 V
Transconductance
5900 µS
Typical
Amplification Factor
57
Typical
Plate Resistance
9700 ohm
Typical
Data set 07
Published operating points and test conditions from this source.
Plate voltage
250 V
EachSection
Control-grid voltage
-2.2 V
EachSection
Plate current
10 mA
EachSection
Amplification factor
57 ratio
EachSection
Transconductance
6000 uS
EachSection
Plate supply voltage
250 V
RFAmplifier
Plate voltage
240 V
RFAmplifier
Data set 08
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Published heater rating
Heater current
435 mA
Published heater rating
Amplification factor
57
RFAmplifier
Plate resistance
9700 ohm
RFAmplifier
RF-amplifier plate voltage
230 V
RFAmplifier
Control-grid bias
-2 V
RFAmplifier
RF-amplifier plate current
10 mA
RFAmplifier
Data set 09
Published operating points and test conditions from this source.
Plate voltage
230 V
RFAmplifier
Grid voltage
-2 V
RFAmplifier
Plate current
10 mA
RFAmplifier
Plate current
5.2 mA
Mixer
Amplification factor
57
RFAmplifier
Plate resistance
9700 ohm
RFAmplifier
Transconductance
6000 µS
RFAmplifier
Data set 10
Published operating points and test conditions from this source.
Plate Current
10 mA
EachSection;Va=250V
Transconductance
6100 uS
EachSection;Va=250V
Amplification Factor
55
EachSection;Va=250V
Plate Resistance
9000 ohm
EachSection;Va=250V
Maximum Plate Voltage
300 V
Maximum Plate Dissipation
2.5 W
Maximum Cathode Current
15 mA
Data set 11
Published operating points and test conditions from this source.
Heater voltage
6.3 V
Published nominal value
Heater current
435 mA
Published nominal value
Transconductance
6100 µS
Published nominal or operating characteristic
Equivalent noise resistance
580 ohm
Published RF amplifier condition
Maximum plate dissipation
2.5 W
Published maximum rating
Data set 12
Published operating points and test conditions from this source.
Anode current Iy
10 mA
Transconductance S
6.1 mA/V
Heater voltage N
6.3 V
Heater current If
435 mA
Anode to grid Cag
1.5 pF
Ca'g'
1.5 pF
Anode to cathode Cak
0.17 pF
Data set 13
Published operating points and test conditions from this source.
Heater Voltage Vh
63 V
Heater Current Ih 0
435 A
Maximum Anode Dissipation (either section) Pa(max)
25 W
Maximum Total Anode Dissipation Pa(tot)max
45 W
Maximum Anode Voltage Va(max)
300 V
Maximum Heater to Cathode Voltage (D.C.) Vn-k(max)
90 V
Maximum Cathode Current Ik(max)
15 mA
Data set 14
Published operating points and test conditions from this source.
Heater Voltage (ac/dc)
6.3 V
Published in approved ECC85 target datasheet entry; Section1
Heater Current
436 mA
Published in approved ECC85 target datasheet entry; Section1
Plate Supply Voltage
560 V
Published in approved ECC85 target datasheet entry; Section1
Grid to Plate 1.6
1.5 pF
Published in approved ECC85 target datasheet entry; Section1
Cathode to Plate 0.18
0.18 pF
Published in approved ECC85 target datasheet entry; Section1
Grid to Cathode, Heater, and Internal Shield . . 3
3 pF
Published in approved ECC85 target datasheet entry; Section1
Plate to Cathode, Heater, and Internal Shield . . 1.2
1.2 pF
Published in approved ECC85 target datasheet entry; Section1
Data set 15
Published operating points and test conditions from this source.
Anode current Iy
10 mA
Anode current Iy 10 mA
Heater voltage N
6.3 V
Heater voltage N 6.3 V
Heater current If
435 mA
Heater current If 435 mA
Anode to grid Cag
1.5 pF
Anode to grid Cag 1.5 pF
Anode to cathode Cak
0.17 pF
Anode to cathode Cak 0.17 pF
Transconductance S
6.1 mA/V
Transconductance S 6.1 mA/V
Amplification factor “
35 A
Amplification factor “ 35 -