NJ7P SQL Tube Database Query

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01A
Detector Amplifier

EIA Base & Outline

Application

Source ........................................ RCA R-10 - 1932
The '01A is a three-electrode storage-battery tube for use as detector and as an amplifier.

Mechanical Data

Source ........................................ RCA RC-12 - 1934
Bulb .......................................... ST-14
Base Type ..................................... Medium 4-Pin
EIA Outline ................................... 14-1
Maximum Overall Height ........................ 4-11/16 In.
Maximum Seated Height ......................... 4-1/16 In.
Maximum Diameter .............................. 1-13/16 In.
EIA Base ...................................... 4D
Mounting Position ............................. Vertical

Electrical Data

Source ........................................ RCA R-10 - 1932
Filament Voltage .............................. 5.0 DC V
Filament Current .............................. 0.25 A

Direct Interelectrode Capacitances (approx)

Triode
Source ........................................ RCA R-10 - 1932
Input ......................................... 3.1 pf
Output ........................................ 2.2 pf
Grid to Plate ................................. 8.1 pf

Maximum Ratings (Design Center Values)

Triode
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 135 V
Grid No. 1 Circuit Resistance
Self Bias .................................. 2-3M Ω

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 90 V
Grid No. 1 Voltage ............................ -4.5 V
Amplification Factor .......................... 8
Plate Resistance (approx) ..................... 11K Ω
Transconductance .............................. 725 µ
Plate Current ................................. 2.5 mA

Class A Amplifier
Source ........................................ RCA R-10 - 1932
Plate Voltage ................................. 135 V
Grid No. 1 Voltage ............................ -9 V
Amplification Factor .......................... 8
Plate Resistance (approx) ..................... 10K Ω
Transconductance .............................. 800 µ
Plate Current ................................. 3.0 mA

Notes

Source ........................................ RCA RC-14 - 1940
1. Discontinued type.

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

Tue, 16 Aug 2022 01:13:18 -0700