Data set 01
1940 RCA
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Maximum Plate Voltage
1500 V
UltorVoltageMaximum
1500 V
RecommendedMinimumUltorVoltage
500 V
General service
Specialized - Cathode Ray ·CathodeRay
1EP1
Small measurement cathode-ray tube with electrostatic focusing and deflection for oscilloscope and laboratory instrument service. Its low accelerating voltage and compact screen suit waveform observation and built-in test equipment.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- 11V
- Socket code
- -
- Base pins
- 11
- Nominal heater
- 6.3 V / 600 mA
Description
Measurement cathode-ray tube with electrostatic deflection for oscilloscope and laboratory instrument service.
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- 11V
- Socket code
- -
- Base pins
- 11
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 600 mA
- Parallel heater voltage
- -
- Parallel heater current
- -
- Series capable
- No
11V - 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
- Max plate voltage
- 1500 V
Cathode-ray electron-gun/screen system; anode/ultor maximum promoted to MaxPlateVoltage when explicitly published. No explicit X-ray precaution detected in the supplied source.
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 02
1968 Mazda Belvu
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristics
Heater or filament voltage
6.3 V
Published nominal value
Heater or filament current
600 mA
Published nominal value
Vertical deflection sensitivity
85 to 120 V/cm
Per 1000 V anode voltage
Horizontal deflection sensitivity
95 to 135 V/cm
Per 1000 V anode voltage
Data set 03
1971 RCA HB3 Binder 1 of 7
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Heater Voltage
6.3 V
Nominal heater voltage
Heater Current
600 mA
Nominal heater current
Phosphor
P1
Published phosphor designation
Voltage
63 V
Voltage 63 ac or do volts
Current
10 A
Current 0.6 t 10% amp
ULTOR VOLTAGE
1500 V
ULTOR VOLTAGE 1500 max, volts
GRID-No.3 VOLTAGE
1200 V
GRID-No.3 VOLTAGE 1200 max. volts
ANY DEFLECTING ELECTRODE
500 V
ANY DEFLECTING ELECTRODE 500 max. volts
Heater negative with respect to cathode
125 V
Heater negative with respect to cathode. 125 max. volts
Heater positive with respect to cathode
125 V
Heater positive with respect to cathode. 125 max, volts
for Focus
30 V
for Focus 10% to 30% of Ec4 volts
Spot
-4.2 V
Spot -1.4% to -4.2% of Ec4 volts
For ultor voltage of goo i000 volts
0 V
For ultor voltage of goo i000 volts
for Focus
100 to 300 V
for Focus 50 to 150 100 to 300 volts
and
500 V
and 500 volts, it is essential that the ultor voltage De appl ied DePo re
For ultor voltage of goo J000 volts
0 V
For ultor voltage of goo J000 volts
Spot
-14 to -42 V
Spot -7 to -21 -14 to -42 volts
Grid-No.l-Circuit Resistance
1.5 MΩ
Grid-No.l-Circuit Resistance 1.5 max. megohms
GRID MODULATION
117 V
GRID MODULATION 117 V
— GRID-NS'.3 VOLTS ADJUSTED FOR FOCUS
3 V
— GRID-NS'.3 VOLTS ADJUSTED FOR FOCUS
GRID-N'3 VOLTS ADJUSTED FOR FOCUS illllllllllllllllllllll~llllll
3 V
GRID-N'3 VOLTS ADJUSTED FOR FOCUS illllllllllllllllllllll~llllll
Construction
Focusing Method
Electrostatic
Published focusing method
Deflection Method
Electrostatic
Published deflection method
Capacitance
Grid No.1 to all other electrodes
6.5 pF
Grid No.1 to all other electrodes 6.5 pF
Characteristic
deflecting electrode DJ2
1.7 pF
deflecting electrode DJ2 1.7 pF
deflecting electrode DJq
0.6 pF
deflecting electrode DJq 0.6 pF