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5ABP1

Five-inch direct-view oscilloscope CRT with electrostatic focusing and deflection, post-deflection acceleration, and a green P1 screen. It is designed for general waveform and instrument display.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: DUODECAL11
Base pins: 12
Nominal heater: 6.3 V / 600 mA

Description

The Sylvania 5ABP1 is a 5-inch direct-view oscilloscope CRT with electrostatic focus and deflection, post-deflection acceleration, and a green screen.

Socket description

Duodecal 11-contact CRT base

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: DUODECAL11
Base pins: 12
Nominal heater voltage: 6.3 V
Nominal heater current: 600 mA
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

Cathode Ray

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

CRT-specific electrode voltages, deflection factors, capacitances, focus/cutoff data, and other published electrical values are stored as section parameters because the promoted section columns are primarily conventional valve fields.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1938 Raytheon

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Application

Application
Oscilloscope_Display text

Data set 02

1950 Sylvania

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristic

Heater Voltage . . . . . . . . . . . . 6.3 Volts
6.3 V
Heater Voltage . . . . . . . . . . . . 6.3 Volts
Anode No. 3 Voltage . . . . . . . . . . . . . . 6600 Volts dc
6600 V
Anode No. 3 Voltage . . . . . . . . . . . . . . 6600 Volts dc
Anode No. 2 Voltagez . . Ce 2860 Volts dc
2860 V
Anode No. 2 Voltagez . . Ce 2860 Volts dc
Anode No. 1 Voltage . . . . . . . . . . . . . . 1100 Volts dc
1100 V
Anode No. 1 Voltage . . . . . . . . . . . . . . 1100 Volts dc
Grid No. 1 Voltage
1 V
Grid No. 1 Voltage
Peak Voltage Between Anode No. 2 and Any Deflection Plate e 550 Volts
550 V
Peak Voltage Between Anode No. 2 and Any Deflection Plate e 550 Volts
Anode No. 3 Voltaged . . . . . . . . . . . . . . 3000 Volts dc
3000 V
Anode No. 3 Voltaged . . . . . . . . . . . . . . 3000 Volts dc
Anode No. 2 Voltaget . . . . . . . . . . . . . . 1500 Volts dc
1500 V
Anode No. 2 Voltaget . . . . . . . . . . . . . . 1500 Volts dc
Anode No. 1 Voltage for Focus . . . . . . . . . . . . 300to 515 Volts dc
515 V
Anode No. 1 Voltage for Focus . . . . . . . . . . . . 300to 515 Volts dc
Grid No. 1 Voltage Required for Catoft> . . . . . . . . . -39to—65 Volts dc
65 V
Grid No. 1 Voltage Required for Catoft> . . . . . . . . . -39to—65 Volts dc
The product of the Anode No. 2 Voltage and the Average Anode No. 2 Current should be limited to 6 Wa
6 W
The product of the Anode No. 2 Voltage and the Average Anode No. 2 Current should be limited to 6 Watts.
It is vecommended that the Anode No. 3 voltage be not less than 3000 Volts for high-speed scanning.
3000 V
It is vecommended that the Anode No. 3 voltage be not less than 3000 Volts for high-speed scanning.
In general Anode No. 2 voltage should not be operated at less than 1500 Volts.
1500 V
In general Anode No. 2 voltage should not be operated at less than 1500 Volts.

Other

Ratio of Anode No. 3 Voltageto Anode No 2Voltage e 2.3:1 Maximum
2 V
Ratio of Anode No. 3 Voltageto Anode No 2Voltage e 2.3:1 Maximum

Data set 03

1965 Sylvania Electronic Tubes Vol3

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

Heater Voltage
6.3 V
Heater Current
600 mA
Focusing Method
Electrostatic text
Deflection Method
Electrostatic text
Fluorescence
Green text
Persistence
Medium text
Cathode-to-All Capacitance
5 pF
Nominal
Grid1-to-All Capacitance
8 pF
Nominal
Deflection Plates 1-2 Capacitance
2.5 pF
Nominal
Deflection Plates 3-4 Capacitance
4.3 pF
Nominal

Other

Maximum Anode3 Voltage
6600 V
Maximum Anode2 Voltage
2860 V
Maximum Anode1 Voltage
1100 V
Maximum Grid1 Negative Bias
220 V
Maximum Grid1 Positive Peak
2 V
Maximum Heater-Cathode Voltage
140 V
EitherPolarity
Maximum Anode2-to-Deflection-Plate Voltage
550 V
Typical Anode3 Voltage
3000 V
Typical Anode2 Voltage
1500 V
Focus Voltage Minimum
300 V
Anode1
Focus Voltage Maximum
515 V
Anode1
Grid1 Cutoff Voltage Minimum
-65 V
Grid1 Cutoff Voltage Maximum
-39 V
Deflection Factor Plates 1-2 Minimum
40 V/in
Deflection Factor Plates 1-2 Maximum
54 V/in
Deflection Factor Plates 3-4 Minimum
27 V/in
Deflection Factor Plates 3-4 Maximum
36 V/in
Maximum Grid1 Circuit Resistance
1.5 Mohm
Maximum Deflection Circuit Resistance
5 Mohm

Data set 04

1971 RCA HB3 Binder 1 of 7

Published operating points and test conditions from this source.

SECTION 1

Cathode Ray

Characteristics

Voltage
63 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Current
6
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid No.l to All Other Electrodes
8
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Pin 1 -Heater — published value 1
1
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Pin 1 -Heater — published value 2
9
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Pin 2 -Cathode
2
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Pin 3 -Grid No.l
3
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
pin 5 -Grid No.3
5
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Electrode DJ3
14
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
DJ4, the spot is deflected toward pin 2
2
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
For any post-ultor voltage (E0 1 hetmeen s000'.and 600o volts — published value 1
1 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
For any post-ultor voltage (E0 1 hetmeen s000'.and 600o volts — published value 2
600 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
and any ultor voltage f80g 1 between tgoo" and shoo volts
1 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.3 Voltage for Focus — published value 1
20 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.3 Voltage for Focus — published value 2
34.5 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Focused Spot — published value 1
2.6 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Focused Spot — published value 2
4.3 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
voltage of
50 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
for Focus — published value 1
300 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
for Focus — published value 2
515 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
for Focus — published value 3
400 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
for Focus — published value 4
690 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l Volt.° — published value 1
39 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l Volt.° — published value 2
65 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l Volt.° — published value 3
-52 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l Volt.° — published value 4
87 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
the electrons in the Oeam after its deflection. In the 5AB—types, the
5
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
prior to its deflection. In the 5A9—types, the ult or function is per—
5
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
AL or near Lois rating, the of sect five resistance of the ult or suDD 1 Y
1
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
IL is recommended that the post —u It or voltage De not less Loan 3000
3000 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
tlet lection. with Vost -0ef lection acceleration, [he le ngtn of def lac
0
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
/JI with heater voltage of 6.3 volts, Dost —u It or voltage of n000 volts,
6.3 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
u 12 or voltage of 2000 volts, grid —N o.3 voltage adjusted to Qive focus, — published value 1
12 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
u 12 or voltage of 2000 volts, grid —N o.3 voltage adjusted to Qive focus, — published value 2
2000 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
deflected • focused spot will fall within a circle having a 12.5-+a
12.5
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
(2500 volts); when ultor rs grounded, they may nave low voltage rating
2500 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
GRID-N~ 3 VOLTS AOJUSTEO FOR FOCUS
3 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
POST-ULTOR VOLTS=2xULTOR VOLTS
2 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
71 GRID-NR3 VOLTS ADJUSTED FOR FOCUS
71 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
POST-ULTOR (GRID No 5 5 COLLECTOR) VOLTS — published value 1
5 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
POST-ULTOR (GRID No 5 5 COLLECTOR) VOLTS — published value 2
5 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
GREATER THAN ULTOR(GRIDS NQ2 3 N44)
3
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.

Other

POST-ULTOR' VOLTAGE
6000 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
ULTOR~ VOLTAGE
2600 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
TO ULTOR VOLTAGE — published value 1
2.3 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
TO ULTOR VOLTAGE — published value 2
1 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
GRID-No.3 VOLTAGE
1000 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Heater negative with respect to cathode
125 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Heater positive with respect to cathode
125 V
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l-Circuit Resistance — published value 1
1 mA
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.
Grid-No.l-Circuit Resistance — published value 2
5 mA
Published CRT datasheet value; where a source row has several numbers they represent its separate limits or operating conditions.