6BA6 GEC | Alldatasheet

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QB 6BA6—3BA6—4BA6—12BA6 3BAS VS 4BA6 , Fonit PENTODE 12BA6 ET-T897A TUBES FOR RF AND IF AMPLIFIER APPLICATIONS Page 1 11-56 BASIC DIAGRAM The 6BA6 is a miniature remote-cutoff pentode primarily designed for use as a high-gain radio-frequency or intermediate-frequency amplifier. Features (4) include small size, low grid-plate capacitance, and high transconductance. (3) (5) Except for heater ratings the 3BA6 and 4BA6 are identical to the 6BA6. In addition, they incorporate a controlled heater-warm-up characteristic which oy Ye makes them especially suited for use in television receivers that employ series- 4 L connected heaters. The 12BA6, which differs from the 6BA6 only in heater ratings and heater- (1) @) cathode voltage ratings, is especially useful in a-c/d-c radio receivers. RETMA7CC GENERAL Electrical Cathode—Coated Unipotential 3BAG 4BAG = GBA6 = 12BA6 TERMINAL CONNECTIONS in 1—Grid Number Direct Interelectrode Capacitances Pin 3—Heater m s - . Pin 4—Heater With Shieldt Without Shield Pin 5—Plate Input... cece cece reece eee cece eee 5S 5.5 ppt Pin 7—Cathode Output. cece cece eee rere SST 5.0 ppt Mechanical Mounting Position—Any Envelope—T-5/2, Glass Base—E7-1, Miniature Button 7-Pin PHYSICAL DIMENSIONS MAX. i MAX, 2 a! a. ity | Dw GENERAL @@ ELECTRIC RETMA 5-2 Supersedes ET-T897 dated 9-54

Screen Voltage—See Screen Rating Chart Screen Dissipation. 0.6.06. ccceceseceesteeeeeeeeeeseeseueeeereesenereeseserenesses +06 Watts 3BA6 Heater-Cathode Voltage 4BA6 Heater Positive with Respect to Cathode 6BA6 12BA6 Heater Negative with Respect to Cathode CHARACTERISTICS AND TYPICAL OPERATION CLASS A, AMPLIFIER Suppressor, Connected to Cathode at Socket Grid-Number 1 Voltage, approximate * The time required for the voltage across the heater to reach 80 percent of its rated value after applying 4 times rated heater voltage to a circuit consisting of the tube heater in series with a resistance equal to 3 times the rated heater volt- age divided by the rated heater current. + With external shield (RETMA 316) connected to pin 7.

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