NJ7P SQL Tube Database Query

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52
Power Amplifier Dual Grid

EIA Base & Outline

EIA Base: 5C
Source ........................................ ARRL HB -1947

Mechanical Data

Bulb .......................................... ST-14
EIA Base ...................................... 5C

Electrical Data

Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A

Characteristics and Typical Operation

Class A Amplifier (G2 to P)
Plate Voltage ................................. 110 V
Grid No. 1 Voltage ............................ 0 V
Amplification Factor .......................... 5.2
Plate Resistance (approx) ..................... 1750 Ω
Transconductance .............................. 3000 µMho
Plate Current ................................. 43.0 mA
Load Resistance ............................... 2K Ω
Power Output (approx) ......................... 1.5 W

Push Pull Class B Amplifier (G1 to G2)
Plate Voltage ................................. 180 V
Grid No. 1 Voltage ............................ 0 V
Plate Current ................................. 3.0 mA
Load Resistance ............................... 10K Ω
Power Output (approx) ......................... 5.0 W

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Sat, 25 Jun 2022 10:46:34 -0700