NJ7P SQL Tube Database Query

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6DS5
Beam Power Amplifier

EIA Base & Outline

Substitute Data

Substitutes ................................... 6AQ5 6HG5 6HR5
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used in the audio output stages of television and radio receivers. Requires miniature 7-contact socket.

Mechanical Data

Source ........................................ RCA RC-29 - 1975
Bulb .......................................... T-5 1/2
Base Type ..................................... Miniature Button 7-Pin
EIA Outline ................................... 5-3
EIA Base ...................................... 7BZ
Cathode ....................................... Coated Unipotential
Mounting Position ............................. Any

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.8 A

Direct Interelectrode Capacitances (approx)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Input ......................................... 9.5 pf
Output ........................................ 6.3 pf
Grid to Plate ................................. 0.19 pf

Maximum Ratings (Design Center Values)

Beam Pentode
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 275 V
Grid No. 2 Voltage ............................ 275 V
Plate Dissipation ............................. 9 W
Grid No. 2 Dissipation ........................ 2.2 W

Characteristics and Typical Operation

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage ............................ -8.5 V
Peak Grid No. 1 Voltage........................ 8.5 V
Amplification Factor .......................... 32
Plate Resistance (approx) ..................... 28K Ω
Transconductance .............................. 5800 µ
Plate Current (Zero Signal) ................... 29 mA
Plate Current (Maximum Signal) ................ 32 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 10 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 3.8 W

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 270 Ω
Peak Grid No. 1 Voltage........................ 9.2 V
Amplification Factor .......................... 27
Plate Resistance (approx) ..................... 28K Ω
Transconductance .............................. 5800 µ
Plate Current (Zero Signal) ................... 27 mA
Plate Current (Maximum Signal) ................ 25 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 9 mA
Load Resistance ............................... 8K Ω
Power Output (approx) ......................... 3.6 W

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage ............................ -7.5 V
Peak Grid No. 1 Voltage........................ 7.5 V
Amplification Factor .......................... 32
Plate Resistance (approx) ..................... 28K Ω
Transconductance .............................. 6000 µ
Plate Current (Zero Signal) ................... 35 mA
Plate Current (Maximum Signal) ................ 36 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 9 mA
Load Resistance ............................... 6K Ω
Power Output (approx) ......................... 3 W

Class A Amplifier
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 200 V
Grid No. 2 Voltage ............................ 200 V
Grid No. 1 Voltage Derived from
Cathode Bias Resistor ...................... 180 Ω
Amplification Factor .......................... 27
Plate Resistance (approx) ..................... 28K Ω
Transconductance .............................. 5800 µ
Plate Current ................................. 25 mA
Grid No. 2 Current (Zero Signal) .............. 3 mA
Grid No. 2 Current (Maximum Signal) ........... 9 mA
Load Resistance ............................... 6K Ω
Power Output (approx) ......................... 2.8 W

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(c) 1994-2021 by William A. Beech, NJ7P

Sat, 01 Oct 2022 23:43:42 -0700