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CAPACITOR-INPUT FILTER rCHOKE-INPUT FILTER

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o 100 200 300 400 500 600 700 AC PLATE SUPPLY VOLTS (RMS) PER PLATE (WITHOUT LOAD)

FULL-WAVE VACUUM RECTIFIER

Gla .. type used in power supply of radio equipment having large dc requirements. Out-line 28, OUTLINES SECTION. 1'ube requires four-contact socket. Vertical mounting is pre-ferred but horizontal mounting is permi .. ible if pins 1 and4 are in horizontal plane. Filament volts (ac), 5.0; amperes, 3.0. Maximum ratings as full-wave rectifier: peak inverse plate volts, 1550 max; peak plate rna. per plate, 675 max. Type 5Z3 is used principally lor renewal purposes.

FULL-WAVE VACUUM RECTIFIER Metal type used in power supply of radio equipment having moderate dc requirements. Outline 5, OUT-LINES SECTION. Tube requires octal socket and may be mounted in

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========= Technical Data =========

any position. Heater volts (ac), 5.0; amperes, 2.0. Maximum ratings: peak inverse plate volts, 1400 max; peak plate rna. per plate, 375 max. Typical operation as full-wave rectifier with capacitor-input filter: ac plate-to-plate supply volts (rms), 700;

total effective plate-supply impedance per plate, 50 ohms; dc output rna., 125.

Typical operation with choke-input filter: ac plate-to-plate supply volts, 1000;

minimum filter-input choke, 5 henries; dc output rna., 125.

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POWER TRIODE

Glass type used in output stage of radio re-ceivers. Outline 28, OUTLINES SECTION.

Tube requires four-contact socket. Filament volts (ac/dc), 6.3; amperes, 1.0. This type is identical electrically with type 6B4-G. Type 6A3 is a DISCONTINUED type listed for reference only.

HIGH-MU TWIN POWER TRIODE Glass type used in output stage o( ac-oper-ated receivers as a elass B power amplifier or with units in parallel ao. a claso AI amplifier to drive a 6A6 as claso B amplifier. Outline 27, OUTLINES SECTION. Tube requires medium seven-contact (0.855-inch, pin-circle diameter) socket. Filament volts (ac/dc), 6.3; amperes, 0.8. This type is electrically identical with type 6N7. Type 6A6 is a DISCONTINUED type listed (or reference only.

PENT AGRID CONVERTER

Glass types used in superheterodyne cir-cuits. Outline 24B, OUTLINES SECTION.

These types require the small seven-contact (0.75-inch, pin-circle diameter) socket. Except (or interelectrode capacitances, the 6A 7 is iden-tical electrically with type 6A8. Type 6A 7S, now DISCONTINUED, has the external shield con-nected to cathode. In general, its electrical char-acteristics are similar to those of the 6A 7, but

6A3

6A6

6A7

6A7S

the two types are usually not directly interchangeable. Type 6A 7 is used principally (or renewal purposes.

PENT AGRID CONVERTER

Metal type 6A8 and glass octal types 6A8-G and 6A8-GT used in superheterodyne circuits.

6A8 Outline 3, 6A8-G Outline 23, 6A8-GT Outline 15A, OUTLINES SECTION. Tubes re-quire octal socket. Heater volts (ac Idc) , 6.3;

amperes, 0.3. Characteristics as coverter: plate and grid-No.2-supply volts, 250 (300 max);

grids-No.3-and-No.5 (screen-grid) volts, 100 max; grid-No.4 (control-grid) volts, -3 (0 max);

6A8 6A8G 6A8GT

Related type:

12A8GT grid-No.2 (anode-grid) resistor, 20000 ohms (bypassed by O.l-l'f capacitor); grid-No.1 (oscillator-grid) resistor, 50000 ohms; plate resistance (approx.), 0.36 megohni; conversion transconductance, 550 I'mhos; plate rna., 3.5; grids-No.3-and-No.5 rna., 2.7; grid-No.2 rna., 4; grid-No.1 rna., 0.4; total cathode rna., 10.6 (14 max); plate dissipation, 1 max watt; grids-No.3-and-No.5 input, 0.3 max watt; grid-No.2 input, 0.75 max watt; peak heater-cathode volts, 90 max. These types are used principally for renewal purposes.

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^{6 G} Miniature type used as

cathode-drive amplifier, frequency converter,

2 7 or oscillator at frequencies up to about

IS K 300 megacycles per second particularly

p I in television and FM receivers. Outline

6AB4

7B,OUTLINES SECTION. Tube requires miniature seven-contact socket and may be mounted in any position. Heater volts (ac/dc), 6.3; amperes, 0.15. For maximum ratings, characteristics, and curves, refer to type 12AT7.

6ABS/

6NS

RCA Receiving Tube Manual

ELECTRON-RAY TUBE

Glass type with triode unit used to indicate visually by means of a fluorescent target the effects of a change in a controlling voltage. It is used as a convenient means of indicating accu-rate radio-receiver tuning. Maximum dimen-sions: over-all length, 4-3/16 inches; seated height, 3-9/16 inches; diameter, 1-3/16 inches.

Tube requires six-contact socket. Heater volts (ac /dc), 6.3; amperes, 0.15. Maximum ratings

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in indicator service: triode-plate supply volts, 180 max; fluorescent-target volts, 180 max, This type is used principally for renewal purposes.

125 min.

6AB7

tUre amplifier of television receivers particularly

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those employing automatic-gain control.

Out-line 2, OUTLINES SECTION. Tube requires H 2 1 H octal socket. Heater volts (ac/dc), 6.3; amperes,

0.45. Maximum ratings as class AI amplifier: I e plate and grid-No.2 supply volts, 300 max; 5 p grid No.3, connect to cathode at socket; grid- 15

No.2 volts, 200 max; plate dissipation, 3.75 max watts; grid No.2 input, 0.65 max watt. Typical oper-ation: plate and grid-No.2 supply volts, 300; grid^cNo.3 volts, 0; grid-No.2 series resistor, 30000 ohms;

grid-No.1 volts, -3; plate resistance (approx.), 0.7 megohm; transconductance, 5000 Jlmhos; grid-No.1 volts for transconductance of 50 I'mhos, -22.5; plate rna., 12.5; grid-No.2 rna., 3.2. This type is used principally for renewal purposes.

6ACSGT

HIGH-MU POWER TRIODE

Glass octal type used in single-ended or push-pull audio-frequency power amplifiers of the direct-coupled type in which a driver tube develops positive grid bias for the 6AC5-GT output stage. Outline 14C, OUTLINES SEC-TION. This type may be supplied with pin No.

1 omitted. Tube requires octal socket. Heater

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volts (ac/dc), 6.3; amperes, 0.4. Maximum ratings as push-pull class B power amplifier: plate volts, 250 max; peak plate rna., 110 max; average plate dissipation, 10 max watts. This type is used princi-pally for renewal purposes.

6AC7

SHARP-CUTOFF PENTODE

Metal type used as video amplifier tube in television receivers, and as a mixer or oscillator tube in low-frequency applications. Outline 2, OUTLINES SECTION. Tube requires octal socket. Heater volts (ae Ide), 6.3; amperes, 0.45.

Characteristics as class At amplifier: plate and grid-N 0.2 supply volts, 300 max; grid No.3 con-nected to cathode at socket; grid-No.2 series resistor, 60000 ohms; cathode-bias resistor, 160

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ohms; plate resistance (approx.), 1 megohm; transconductance, 9000 I'mhos; plate rna., 10; grid-No.2 rna., 2.5; plate dissipation, 3 max watts; peak heater-cathode volts, 90 max. This type is used princi-pally for renewal purposes.

6AD6G

138

ELECTRON-RA Y TUBE

Glass octal type used to indicate visually, by means of two shadows on the fluorescent tar-get, the effects of changes in the controlling voltages. It is a twin-indicator type and is used as a convenient means of indicating accurate radio-receiver tuning. Maximum over-aU length, 2-7/8 inches; maximum diameter,l-5/16 inches.

Heater volts (ac/dc), 6.3; amperes, 0.15. Maxi-mum target volts, 150. This is a DISCON-TINUED type listed for reference only.

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========-- Technical Data

========--LOW-MU TRIODE - POWER PENTODE

Glass octal type used in a push-pull ampli-fier circuit in conjunction with type 6F6-G. Tri-ode unit serves as phase inverter. Outline 26, OUTLINES SECTION. Tuhe requites octal socket. Heater volts (ac/dc), 6.3; amperes, 0.85.

For typical operation of pentode unit, refer to type 6F6-G. Maximum ratings of pentode unit a" class AI or push-pull class ABI amplifier: plate volts, 375 maz; grid-No.2 volts, 285 maz; plate

6AD7G

dissipation, 8.5 max watts; grid-No.2 input, 2.7 max watts. Maximum rating" of triode unit as classAI amplifier: plate volts, 285 max; plate dissipation, 1.0 maz watt. This type is used principally for renewal purposes.

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LOW-MU TRIODE

Glass octsl type used as class AI amplifier in ac Idc radio receivers. Outline 14C, OUT-LINES SECTION. Heater volts (ac/dc), 6.3;

amperes, O.S. Maximum ratings as class AI am-plifier: plate volts, 300 maz; plate dissipation, 2.5 maz watts. This is a DISCONTINUED type listed for reference only.

TWIN-PLATE CONTROL TUBE Glass octal type used as a control tube for twin-indicator type electron-ray tubes. Outline 22, OUTLINES SECTION. Contains two tri-odes with different cutoff characteriotics. If a vc voltage is applied to the common control grid in 8uitable circuit, one triode section operates on weak signals while the other operates on strong signals. Heater voltage (ac/dc), 6.3; amperes, 0.15. This is a DISCONTINUED type Iioted for reference only.

TWIN-INPUT TRIODE Glass octal type used as a voltage amplifier or as a driver for two type 6AC5-GT tubes in dynamic-coupled, push-pull amplifiers. In the latter service, type 6AE7-GT replaces two tubes ordinarily required .. drivers. Outline14C, OUT-LINES SECTION. Heater volts (ac/dc), 6.3;

amperes, 0.5. This is a DISCONTINUED type listed for reference only.

HALF-WAVE VACUUM RECTIFIER Miniature type used as a damper tube in horizontal deflection circuits of television receivers. Outline 9B, OUT-LINES SECTION. Tube requires min-iature nine-contact socket and may be

6AE5GT

6AE6G

6AE7GT

6AF3

Related type:

12AF3

mounted in any position. Socket terminals 1,2,3,6,7, and 8 should not be used as tie points. It is especially important that this tube, like other power-handling tubes, be adequately ventilated. Heater volts (ac/dc), 6.3; amperes, 1.2.

DAMPER SERVICE

For operation in a 5ll5-line, 3D-frame .,1.'em Maximum Ratings, (Deaign-Mazimum Values):

PEAK INVERSE PLATE VOLTAGE# ...•...•

PEAK PLATE CURRENT ... . AVERAGE PLATE CURRENT ... . PEAK HEATER CATHODE VOLTAGE:

4500 max 750 max 185 maz

volts rna rna Heater negative with respect to cathode. . . 4500* maz volts Heater positive with respect to cathode ... 300· maz volts BULB TEMPERATURE (At hottest point) ...•.• 210 maz ·C

# The duration of the voltsge pulse must not exceed 15 per cent of one horizontal scanning cycle. In a 525-line, 30-frame system, 15 per cent of one horizontsl scanning cycle is 10 microseconds.

* The dc component must not exceed 1000 volts.

• The dc component must not exceed 100 volts.

RCA Receiving Tube Manual

oscillators in uhf television receivers

covering the frequency range of 470 to G 2 7 P

890 megacycles per second. 6AF4

Out-line 7B, 6AF4-A OutOut-line 7A, OUT- p I

LINES SECTION. Tubes requires miniature seven-contact socket and may be mounted in any position.

HEATER VOLTAGE (AC/DC)... ... 6.3 HEATER CURRENT... 0.225 DIRECT INTERELECTRODE CAPACITANCES:·

Grid to Plate.. .. .. ... 1.9 Grid to Cathode and Heater. . . 2.2 Plate to Cathode and Heater. . . • . . . 1.4 Heater to Cathode** . . . 2.2

* With external shield connected to cathode, except as noted.

** With external shield connected to plate.

Characteristics: CLASS Al AMPLIFIER

Plate Supply Voltage ..•...

Cathode-Bias Resistor ..••...

Amplification Factor ...•...

Plate Resistance (Appro x.) ...•...•.•...

Transconductance . ... . Plate Current ...•...

UHF OSCILLATOR Maximum Ratings, (Design-Maximum Values):

PLATE VOLTAGE ...•...•...••... " ....••

GRID VOLTAGE, Negative-bias value ... " . " .... " ..•...

GRID CURRENT ...•...

PLATE DISSIPATION ... " ... " ... . DC CATHODE CURRENT ... . PEAK HEATER-CATHODE VOLTAGE:

Heater negative with respect to cathode ... . Heater positive with respect to cathode ...•...•..•..•...

Typical Operation as Oscillator at 1000 Mc:

Plate Supply Voltage ... ..

Plate Resistor ... . Grid Resistor ... . Plate Current ... . Grid Current (Approx.) ... . Maximum Circuit Values:

Grid-Circuit Resistance:

For fixed-bias operation ... . Not recommended For cathode-bias operation ...•...•..•.

°The dc component must not exceed 25 volts.

140

AVERAGE PLATE CHARACTERISTICS TYPE 6AF4-A

========= Technical Data =========

target, the effects of changes in the controlling voltages. It is a twin-indicator type and is used as a convenient means of indicating accurate radio-receiver tuning, Maximum over-all length, 2-5/16inches;maximumdiameter,l-5/16inches.

This type may be supplied with pin No.1

6AF6G

omitted. Tube requires octal socket. Heater volts (ac/dc), 6.3; amperes, 0.15. Maximum ratings in in-dicator service; fluorescent-target volts, 250 max, 125 min; ray-control-electrode supply volts, 250 max;

peak heater-cathode volts, 90 max. Typical operation: fluorescent-target volts, 250; fluorescent-target rna., 3.75; ray-contact-electrode volts (approx. for O' shadow angle), 155; ray-control-electrode volts (approx. for 100' shadow angle), O.

GTI ~J2 DUAL

TRIODE-SHARP-CUTOFF PENTODE Duodecar type used in a variety of applications in television receivers.

The high-mu triode unit is used for agc keyer service, the medium-mu triode

H unit for sync separato,l'service, and

6AFll

Related type:

15AFlI

the pentode unit for video amp1ifier service. Outline 12C, OUTLINES SECTION.

Tube requires duodecar twelve-contact socket and may be mounted in any posi-tion. Heater volts (ac;dc), 6.3; amperes, 1.05.

CLASS A, AMPLIFIER Maximum Ratings, (Design-Maximum Values):

PLATE VO'LTAGE ... . GRID-NO'. 2 (SCREEN-GRID SUPPLY VO'LTAGE .... . GRID-No.2 VO'LTAGE ... . GRID-NO'.1 (CO'NTRO'L-GRID) VO'LTAGE,

Positive-bias value ... . PLATE DISSIPATION ... . GRID-NO'. 2 INPUT:

For grid-No.2 voltages up to 165 volts ...

For grid-No.2 voltages between 165 and 330 volts ... . PEAK HEATER-CATHO'DE VO'LTAGE:

Heater negative with respect to cathode ... . Heater positive with respect to cathode ... . Characteristics:

Plate Supply Voltage ... . Grid-No.2 Supply Voltage ... . Grid-No.1 Voltage ... . Cathode-Bias Resistor ... . Amplification Factor ... . Plate Resistance (Approx) ... . Transconductance ... . Plate Current ... . Grid-N 0.2 Current ... . Grid-No.1 Voltage (Approx.) for plate current

of100p.a ... . Maximum Circuit Values:

Grid-No.t .. Current Resistance:

For fixed-bias operation ... . For cathode-bias operation ... . -The de component must not exceed 100 volts.

Triode

radio equipment as an rf or if amplifier

~ 2 --- 7 ~3 up to 400 megacycles per second.

Dans le document MANUAL RCA (Page 138-143)