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Source ........................................ GE DS 2-73
Duodecar type used as horizontal-deflection amplifier in color and bw tv receivers. Requires duodecar 12-contact socket.
Source ........................................ GE DS 2-73
Bulb .......................................... T-12
EIA Outline ................................... 12-116
Maximum Overall Height ........................ 4.13 In.
Maximum Seated Height ......................... 3.75 In.
Maximum Diameter .............................. 1.562 In.
EIA Base ...................................... 9QL
Top Cap ....................................... Small C1-1
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any
Source ........................................ GE DS 2-73
Heater Voltage ................................ 6.3 V
Heater Current ................................ 2.3 A
Maximum Heater-Cathode Voltage
Heater Positive with Respect to Cathode
Total DC and Peak ....................... 200 V
Heater Negative with Respect to Cathode
DC Component ............................ 100 V
Total DC and Peak ....................... 200 V
Pentode
Source ........................................ GE DS 2-73
Input ......................................... 22 pf
Output ........................................ 11 pf
Grid to Plate ................................. 0.56 pf
Pentode
Source ........................................ GE DS 2-73
Plate Voltage ................................. 990 V
Grid No. 2 Voltage ............................ 220 V
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5.0 W
Grid No. 1 Circuit Resistance
Fixed Bias ................................. 0.47M Ω
Bulb Temperature (At Hottest Point) ........... 250 °C
Class A Amplifier
Source ........................................ GE DS 2-73
Plate Voltage ................................. 175 V
Grid No. 3 Voltage ............................ 0 V
Grid No. 2 Voltage ............................ 125 V
Grid No. 1 Voltage ............................ -25 V
Plate Resistance (approx) ..................... 5500 Ω
Transconductance .............................. 10500 µ
Plate Current ................................. 130 mA
Grid No. 2 Current ............................ 2.8 mA
Grid No. 1 Voltage for Ib ..................... 1000 µa @ -54 V
Hortz Defl Amplifier
Source ........................................ GE DS 2-73
DC Plate Supply Voltage ....................... 990 V
Peak Positive-Pulse Plate Voltage ............. 7500 V
Peak Negative-Pulse Plate Voltage ............. 1200 V
DC Grid No. 3 Voltage ......................... 75 V
DC Grid No. 2 Voltage ......................... 220 V
Peak Negative-Pulse Grid No. 1 Voltage ........ 330 V
Average Cathode Current ....................... 350 mA
Peak Cathode Current .......................... 1200 mA
Plate Dissipation ............................. 30 W
Grid No. 2 Dissipation ........................ 5 W
If you are uncertain about the EIA designator for a particular tube please use the "Index" button to list all the tubes in the database. You can click on the designator for the closest tube.
(c) 1994-2021 by William A. Beech, NJ7P
Fri, 19 Aug 2022 07:21:51 -0700