Data set 01
1968 General Electric Co
Published operating points and test conditions from this source.
Diode
Other
Heater Voltage
53.2 V
Heater Current
315 mA
Rectifier - Damper Diode ·BeamPower-Diode
Combined damper and beam-power horizontal-deflection tube intended for television line-output service, integrating sweep amplification and recovery functions.
Duodecar television tube combining a damper diode with a beam-power horizontal-deflection section. Extracted from the supplied RCA Receiving Tube Manual excerpt.
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
Reference/equivalence-only source: ratings/characteristics for this section are not reproduced; missing promoted values intentionally not inferred from the external 38HK7 datasheet.
Section 2
Reference/equivalence-only source: ratings/characteristics for this section are not reproduced; missing promoted values intentionally not inferred from the external 38HK7 datasheet.
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.
Heater Voltage
53.2 V
Heater Current
315 mA
Data set 02
Published operating points and test conditions from this source.
Peak plate current
1200 mA
DamperService
Average plate current
200 mA
DamperService
Peak positive-pulse plate voltage
5000 V
HorizontalDeflection
Peak cathode current
800 mA
HorizontalDeflection
Average cathode current
230 mA
HorizontalDeflection
Class A plate voltage
130 V
ClassA PentodeConnection
Class A plate current
60 mA
ClassA PentodeConnection