Data set 01
1950 Sylvania
Published operating points and test conditions from this source.
Beam Power
Application
Service
Horizontal deflection amplifier
Power - TV Horizontal Output (sweep) ·BeamPower
Exceptionally high-current Duodecar beam pentode for color-television horizontal-deflection output, with approximately 40 W plate dissipation and multi-kilovolt flyback pulse capability.
Duodecar beam power tube used as a horizontal-deflection amplifier in color television receivers.
Duodecar 12-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.
1 physical section, each with unique specifications.
Section 1
Published source values promoted where applicable.
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.
Service
Horizontal deflection amplifier
Data set 02
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Nominal
Heater Current
2 A
Nominal
Peak Positive-Pulse Plate Voltage
8000 V
HorizontalDeflection
Peak Heater-Cathode Voltage
275 V
Plate Voltage
50 V
ClassA;Condition1
Screen Voltage
175 V
ClassA;Condition1
Control Grid Voltage
-10 V
ClassA;Condition1
Plate Current
800 mA
ClassA;Condition1
Screen Current
70 mA
ClassA;Condition1
Plate Voltage
160 V
ClassA;Condition2
Screen Voltage
160 V
ClassA;Condition2
Control Grid Voltage
0 V
ClassA;Condition2
Plate Current
1400 mA
ClassA;Condition2
Screen Current
45 mA
ClassA;Condition2
Beam Plates Circuit Resistor
10000 ohm
HorizontalDeflection
Peak Negative-Pulse Control-Grid Voltage
550 V
HorizontalDeflection
Bulb Temperature
300 C
HorizontalDeflection