Data set 01
1940 RCA
Published operating points and test conditions from this source.
Cathode Ray
Other
Low-Voltage Electro- Aluminized Screen
8
Low-Voltage Electro- Aluminized Screen 21-7/18" x 16-7/8" Screen
static Focus Low-Grid-No
8
static Focus Low-Grid-No.2-Voltage Type 24-1 /8" Max. Bulb Diagonal
110° Magnetic Deflection for Cathode-Drive Operation 16-3/16
16
110° Magnetic Deflection for Cathode-Drive Operation 16-3/16" Max. Length
envelope. Employing a |
90
envelope. Employing a |109-diagonal deflection tube with 90° deflection angle.
angle and low-voltage electrostatic focus, The
24
angle and low-voltage electrostatic focus, The 24BAP4 has a spherical Filterglass face—
voltage {AC or OC)
6.3 V
voltage {AC or OC). . . . . . . . . 6.3 volts
Current
600 mA
Current . . . 0.6 amp
vertical., . . . . . . . .+ .« o e
87
vertical., . . . . . . . .+ .« o e . .. 87°
gperating Position. . . . « . v . . . v v
0
gperating Position. . . . « . v . . . v v 0. e 0 Any equivalent absclute minimum ultor-to-grid=-No.! voltage
is 11000 volts below which the serviceability of the
11000 V
is 11000 volts below which the serviceability of the
da.1 veltage is aever less than 11000 volts.
11000 V
da.1 veltage is aever less than 11000 volts.
Maximum Ratings, Design-Center Volues: The grid-No
1
Maximum Ratings, Design-Center Volues: The grid-No.4-to-grid-Ho0.1 voltage required for optimum
<?oooo max. volts between
400 V
. <?oooo max. volts between 0 and 400 volts; is independent of ultor current;
ULTOR =TO
12000 V
ULTOR =TO0-GRID-NO.1 YOLTAGE. . . . 12000@ min. volts and will remain essentially constant for values of
GRID-NO
1
GRID-NO.4=TO-GR!ID-NO.1 VOLTAGE: ultor-to—-grid-no.1 voltage, or grid-HNn.2-to—grig-nNo.1
Positive value . . . . « .« .«
1000 V
Positive value . . . . « .« .« . . . 1000 max. volts voltage, within design ranges shown for these items.
Negative value . . . . . «
500 V
Negative value . . . . . « . . . . 500 max. volts Distance fram.Reference Line for svitaple PM centering
GRID=-NO
61 V
GRID=-NO.2-TO-GRID~NO.1 VOLTAGE . . . 61 max. volts fields, the center of the undeflected focused sgot will
CATHODE=TO~GRID—NO.{ VOLTAGE: fall within a circle havinga
8
CATHODE=TO~GRID—NO.{ VOLTAGE: fall within a circle havinga 3/8~inch radius concentric
fositive peak value
200 V
fositive peak value. . . . . . . . 200 max. volts with the center of the tube face. It is tobenoted that
Positive bias value
2 V
Positive bias value. . . . . . . . 140 max. volts the earth’s magnetic field can cause asmuch as §/2-inch
Negative bias value
0 V
Negative bias value. . . . . . . . 0 max. volts
Negative peak valve
2 V
Negative peak valve. . . . . . . . 2 max. volts
Ef=
6.3 V
Ef=6.3 VOLTS
PEAK HEATER-CATHODE VOLTAGE: ULTOR-TO-GRID=N
16000 V
PEAK HEATER-CATHODE VOLTAGE: ULTOR-TO-GRID=N2I VOLTS=16000Q
Heater negative with GRID-N
4 V
Heater negative with GRID-N24-TO-GRID-N2) VOLTS ADJUSTED FOR FOCUS.
respect to cathede
18 V
respect to cathede . . . . . . . 18¢ max. volts ¥|NCREASES OR DECREASES DIRECTLY BY APPROX.
2%, FOR EVERY [1000~-VOLT CHANGE [N ULTOR-TO-
1000 V
2%, FOR EVERY [1000~-VOLT CHANGE [N ULTOR-TO-
respect to cathode .,
180 V
respect to cathode ., . . . . . 180 max. volts eeaeeeey
¥ith any ultor—te-grid-¥o.! voltage (Ecjgl) between
12000
¥ith any ultor—te-grid-¥o.! voltage (Ecjgl) between 12000 e
and
50 V
and 20000 volts and grid-¥o.2-to-grid-Fo.l voltage rEcngJ > 50
between
1 V
between 50 and 64 volts 1 F FERFCELE
voitage for Focusy . . . . . . ¢ to
400 V
voitage for Focusy . . . . . . ¢ to 400 volts
Cathode-to-Grid-~No
1
Cathode-to-Grid-~No.1 Voltage
GRID-N
2 V
GRID-N22~TO~GRID-N2I VOLTS
No.l voltage of
20000
No.l voltage of 18000 20000 valts lished in accordance with the following definition of the
K¥e.l voltage of
6 V
K¥e.l voltage of 50 6y volts pesign-Center ratingsarelimitin? values of operating
voltage for Focus
400 V
voltage for Focus. . . . 0 to 440 ¢ to 400 volts device of a specified type as defined by its pudlished
of Focused Raster
58 V
of Focused Raster. . . 32 to 47 42 to 58 volts applications, takiag responsibility for normal changes in
Cathode-to-Grid-yo
1
Cathode-to-Grid-yo.1 operating conditions due to rated supply voltage variation*,
Grid-No
1.5
Grid-No.1-Circuit Resistance . . . . . 1.5 max. megohms r-Ray Farnini. when operated at ultor vottages up ta
® 16 kilovolts, the 2uBaPu does not produce any harmful
2
® 16 kilovolts, the 2uBaPu does not produce any harmful
which is applied tne highest dc voltage for acceler-— permits operation at voltages as higbh as
22
which is applied tne highest dc voltage for acceler-— permits operation at voltages as higbh as 22 kilovolts
16 xilovolts. resuliing from tuce implosion under some abnor
16
16 xilovolts. resuliing from tuce implosion under some abnormal condi-
Ef=
6.3 V
Ef=6.3 YOLTS E£= 6.3 VOLTS
ULTOR-TO-GRID-N%I VOLTS=
50 V
ULTOR-TO-GRID-N%I VOLTS=16000 ULTOR-TO-GRID-N2| VOLTS= 50
GRID-N$
50 V
GRID-N$ 2-TO-GRID-N21 VOLTS=50 CATHODE BIASED POSITIVE WITH RESPECT TO
AASTER SIZE =
21
AASTER SIZE = 21° x b
/ 7°R COATING
7
/ 7°R COATING
AX1S) OF £ 30°.
30
AX1S) OF £ 30°.
