Note: Please do not link down into my pages. I change this directory structure often and your links will not work correctly.
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Source ........................................ ARRL HB - 1948
EIA Outline ................................... 12-6
EIA Base ...................................... 7BH
Source ........................................ ARRL HB - 1948
Filament Voltage .............................. 6.3 V
Filament Current .............................. 0.6 A
Triode
Source ........................................ ARRL HB - 1948
Input ......................................... 1.6 pf
Output ........................................ 2.0 pf
Grid to Plate ................................. 1.6 pf
Triode
Source ........................................ ARRL HB - 1948
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 5.0 W
Plate Current ................................. 40 mA
Grid Current .................................. 12 mA
Class A Amplifier
Source ........................................ ARRL HB - 1948
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -16.5 V
Amplification Factor .......................... 10.4
Plate Resistance (approx) ..................... 7.6K Ω
Transconductance .............................. 1375 µ
Plate Current ................................. 8.3 mA
Class C Amplifier-Oscillator
Source ........................................ ARRL HB - 1948
Plate Voltage ................................. 250 V
Grid No. 1 Voltage ............................ -60 V
Grid No. 1 Current ............................ 12 mA
Plate Current ................................. 40 mA
Driving Power ................................. 1.0 W
Power Output (approx) ......................... 7.0 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, 24 Jun 2022 19:16:37 -0700