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Source ........................................ RCA RC-29 - 1975
Miniature type used in color and bw tv receivers. Pentode 1 is used as a video-output amplifier, pentode 2 as a sound if amplifier, agc amplifier, or sync separator. Uses miniature 9-pin pase except has 10 pins. Requires miniature 10-contact socket.
Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-6 1/2
EIA Outline ................................... 6-3
EIA Base ...................................... 10L
Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.8 A
Pentode 1
Source ........................................ RCA RC-29 - 1975
Input ......................................... 12 pf
Output ........................................ 7 pf
Grid to Plate ................................. 95 pf
Pentode 2
Source ........................................ RCA RC-29 - 1975
Input ......................................... 10 pf
Output ........................................ 11 pf
Grid to Plate ................................. 140 pf
Pentode 1
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 250 V
Plate Dissipation ............................. 60 W
Grid No. 2 Dissipation ........................ 5 W
Pentode 2
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Plate Dissipation ............................. 15 W
Pentode 1 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 170 V
Grid No. 2 Voltage ............................ 170 V
Grid No. 1 Voltage ............................ -2.6 V
Plate Resistance (approx) ..................... 40K Ω
Transconductance .............................. 21000 µ
Plate Current ................................. 38 mA
Grid No. 2 Current ............................ 6.5 mA
Pentode 2 Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 150 V
Grid No. 2 Voltage ............................ 150 V
Grid No. 1 Voltage ............................ -2.3 V
Plate Resistance (approx) ..................... 160K Ω
Transconductance .............................. 8500 µ
Plate Current ................................. 10 mA
Grid No. 2 Current ............................ 3 mA
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
Wed, 29 Mar 2023 05:51:06 -0700