NJ7P SQL Tube Database Query

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6BE6
Pentagrid Converter

EIA Base & Outline

Substitute Data

Preferred Substitutes ......................... 5750
Substitutes ................................... 5915 7036 6BY6
Source ........................................ RCA RC-29 - 1975

Application

Source ........................................ RCA RC-29 - 1975
Miniature type used as converter in superhetrodyne circuits in both the standard broadcast and FM bands. The 6BE6 is similar in performance to metal type 6SA7. Requires miniature 7-contact socket and may be mounted in any position.

Mechanical Data

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

Electrical Data

Source ........................................ RCA RC-29 - 1975
Heater Voltage ................................ 6.3 V
Heater Current ................................ 0.3 A
Maximum Heater-Cathode Voltage ................ 200 V

Direct Interelectrode Capacitances (approx)

Pentagrid
Source ........................................ RCA RC-29 - 1975
Shielded Unshielded
Grid No. 3 to Plate ........................... 0.25 0.3 pf
Grid No. 3 to Grid No. 1 ...................... 0.15 0.15 pf
Grid No. 1 to Plate ........................... 0.05 0.1 pf
Grid No. 3 to All (RF Input) .................. 7.0 7.0 pf
Grid No. 1 to ALL (Osc Input) ................. 5.5 5.5 pf
Plate to All (Mixer Output) ................... 13.0 8.0 pf
Grid No. 1 to Cathode ......................... 3.0 3.0 pf
Cathode to All Except Grid No. 1 .............. 20.0 15.0 pf

Maximum Ratings (Design Center Values)

Pentagrid
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 330 V
Grid No. 2 & 4 Voltage (Screen) ............... 110 V
Grid No. 2 & 4 Supply Voltage (Screen) ........ 330 V
Cathode Current ............................... 15.5 mA
Plate Dissipation ............................. 1.1 W
Grid No. 2 & 4 Dissipation (Screen) ........... 1.1 W
Grid No. 3 Voltage
Negative Bias Value ........................ 55 V
Positive Bias Value ........................ 0 V

Characteristics and Typical Operation

Mixer (Separate Excitation)
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 100 V
Grid No. 2 & 4 Voltage (Screen) ............... 100 V
Grid No. 1 Voltage (RMS) ...................... 10 V
Grid No. 3 Bias Voltage ....................... -1.5 V
Grid No. 1 Resistor ........................... 20K Ω
Plate Resistance (approx) ..................... 400K Ω
Conversion Transconductance ................... 455 µ
Plate Current ................................. 2.6 mA
Grid No. 2 & 4 Current (Screen) ............... 7.4 mA
Grid No. 1 Current ............................ 0.5 mA
Total Cathode Current ......................... 10.1 mA

Mixer (Separate Excitation)
Source ........................................ RCA RC-29 - 1975
Plate Voltage ................................. 250 V
Grid No. 2 & 4 Voltage (Screen) ............... 100 V
Grid No. 1 Voltage (RMS) ...................... 10 V
Grid No. 3 Bias Voltage ....................... -1.5 V
Grid No. 1 Resistor ........................... 20K Ω
Plate Resistance (approx) ..................... 1M Ω
Conversion Transconductance ................... 475 µ
Plate Current ................................. 2.9 mA
Grid No. 2 & 4 Current (Screen) ............... 6.8 mA
Grid No. 1 Current ............................ 0.5 mA
Total Cathode Current ......................... 10.2 mA

Notes

Source ........................................ RCA RC-29 - 1975
1. The characteristics shown with separate excitation correspond very closely with those obtained in a self-excited circuit operating with zero bias.

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

Tue, 21 Mar 2023 03:58:01 -0700