Specialized - Cathode Ray ·CathodeRay
Projection television picture tube with a metal-backed screen, designed to generate a bright image for optical enlargement onto a larger viewing surface.
Projection television picture tube with metal-backed screen.
General specifications
Properties common to every published source and operating point.
Electrical assignments shared by every tube using this base designation.
No verified pinout is recorded for this base designation.
1 physical section, each with unique specifications.
Section 1
Television projection cathode-ray tube with magnetic focusing and deflection. The source explicitly requires X-ray shielding equivalent to 0.5 mm lead.
Source-dependent data
Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.
Data set 01
Published operating points and test conditions from this source.
HeaterOrFilamentVoltage
6.3 V
HeaterOrFilamentCurrent
300 mA
DeflectionMethod
Magnetic
Heater Voltage
6.3 V
Heater Current
300 mA
Application
ProjectionTelevision
MetalBackedScreen
Data set 02
Published operating points and test conditions from this source.
Heater Voltage
6.3 V
Heater Current
300 mA
Data set 03
Published operating points and test conditions from this source.
Grid-1 capacitance
6.3 pF
Grid capacitance
6.3 pF
Anode-to-outer-coating capacitance
450 pF
Screen color
White
Color temperature
6500 K
Useful diameter
55 to - mm
Minimum
Deflection angle
- to 67.5 deg
Anode voltage
25000 V
Maximum anode voltage
25000 V
Maximum grid-1 bias magnitude
200 V
Maximum heater-cathode voltage
125 V
Required X-ray shielding lead equivalent
0.5 mm
ObserverProtection
Focusing ampere-turns
920 A-turns
AnodeVoltage=25kV
Grid-1 cutoff-voltage magnitude
40 to 90 V
Data set 04
Published operating points and test conditions from this source.
Heater voltage
9.5 V
heater voltage must not exceed 9.5 V when the supp-
Heater voltage
9.5 V
wird, darf die Heizspannung beim Einschalten 9,5 V
Heater voltage
9.5 V
heater voltage must not exceed 9.5 V when the supply is
Heater voltage
9.5 V
darf die Heizspannung beim Einschalten 9,5 V nicht {iber-
Deflection
5
5) The distance from deflection centre to reference line
Focusing
9201 kV
focusing at Va = 25 kV 9201)
Focusing
27.5 mm
the focusing coil 27.5 mm
Focusing
-3
ary that the focusing coil can be tilted over 2.5-3°
Deflection
3 cm
Deflection N = .3 xPxHx ol cm, where
Deflection
1
from the deflection centre +to the reference 1line
Focusing
1 a
casing of the focusing coil 1is of such a thick-~
Focusing
27.5 mm
der Fokussierungsspule 27,5 mm
Focusing
3
Fokussierungsspule nach allen Seiten iiber 2,5 - 3°
Capacitance
6.3 pF
Capacitznces Ce1 = 6,3 pF
Capacitance
6.3 pF
Capacitances Cgy = 6,3 pF