Data set 01
194X Miniwatt
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
FinalAcceleratingVoltage
800 V
Specialized - Cathode Ray ·CathodeRay
DB76
Philips DB-series electrostatic cathode-ray instrument tube for oscillographic and measurement display, with manufacturer-defined screen persistence, focusing, deflection, and accelerating characteristics for type DB76.
Directly heatedCold cathodeCommon cathodeDissimilarSpecialized
- Sections
- 1
- Base
- -
- Socket code
- B8G
- Base pins
- -
- Nominal heater
- 6.3 V / 300 mA
Description
The Mullard DB76 is a high-vacuum electrostatic oscilloscope tube with an approximately 2.5-inch screen and blue short persistence phosphor.
Socket description
Loctal 8-contact
General specifications
Tube and section characteristics
Properties common to every published source and operating point.
Heater and base
- Base
- -
- Socket code
- B8G
- Base pins
- -
- Nominal heater voltage
- 6.3 V
- Nominal heater current
- 300 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
- Max plate voltage
- 1000 V
Cathode-ray electron-gun/display system; electrostatic deflection and capacitance data published.
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
1951 Mullard Valve and Service Manual
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
Screen Colour / Persistence
Blue, short persistence
Focusing Method
Electrostatic
Deflecting Method
Double Electrostatic
Other
Anode Voltage
800 V
Focusing Electrode Voltage Minimum
200 V
Focusing Electrode Voltage Maximum
300 V
Data set 03
1957 Philips Receiving and Amplifying Tubes
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Other
Maximum Plate Voltage
400 V
Grid 2 Operating Voltage Minimum
200 V
Grid 2 Operating Voltage Maximum
300 V
Maximum Grid 2 Voltage
400 V
Characteristic
Focusing Method
Electrostatic
Deflection Method
Double electrostatic
Screen Variant
blue, short persistence
Data set 04
1999 Philips 0-D
Published operating points and test conditions from this source.
SECTION 1
Cathode Ray
Characteristic
Heating: indirect by A.C. or D.C. Ve
6.3 V
Published datasheet condition
Heizung: indirekt durch Wechsel- Ifr
400 mA
Published datasheet condition
Dep2! asymmetr. D2' 801l mit a
2 v
Published datasheet condition
DG 7
-6 v
Published datasheet condition
DN 7
-6 v
Published datasheet condition
Heating : indirect by A.C. or D.C. Ve
6.3 V
Published datasheet condition
Chauffage:; indirect par C.A. ou C.C, Ve = &
3 V
Published datasheet condition
Chauffage: indirect par C.A. ou C.C. Ve o= &
3 V
Published datasheet condition
Capacitances Cg
9 pF
Published datasheet condition
Kapazitéten o1
4.8 pF
Published datasheet condition
Cp1
4.8 pF
Published datasheet condition
Cp2
5 pF
Published datasheet condition
Cp2*
544 PF
Published datasheet condition
Cp1D1°
0.6 pF
Published datasheet condition
Cp2p2*
0.8 pF
Published datasheet condition
CD1D1'-D2p2*
0.1 pF
Published datasheet condition
Epaisseur de la ligne §¥a2 = gog VA{
0.7 ma
Published datasheet condition
Va2
800 V
Published datasheet condition
Va1t = 200
-300 V
Published datasheet condition
Vg = 0
50 V
Published datasheet condition
Ny
0.26 mm
Published datasheet condition
N2
0.16 mm
Published datasheet condition
1) NMeasured on a circle of
50 mm
Published datasheet condition
Measuré & un cercle de
50 mm
Published datasheet condition
Gemessen an einem Kreis von
50 mm
Published datasheet condition
Ca1
10 pF
Published datasheet condition
Ca1 = 10 pF CD2'
4.5 pF
Published datasheet condition
CD‘I
5.3 pF
Published datasheet condition
CD‘I = 5,3 pF cD1D1'
0.6 pF
Published datasheet condition
cD‘l'
5.3 pF
Published datasheet condition
cD‘l' = 5,3 pF CDZDZ'
18 pF
Published datasheet condition
Cpa = 415 9F Cpypyr_pepar= O»
1 PF
Published datasheet condition
Vg3
800 V
Published datasheet condition
Vg2 = 200
-300 V
Published datasheet condition
N4
0.25 mm
Published datasheet condition
N»
0.16 mm
Published datasheet condition
1) Measured‘on a circle of
50 mm
Published datasheet condition
Mesuré & un cercle de
50 mm
Published datasheet condition
Cg1
10 pF
Published datasheet condition
Cg1 = 10 pF CD2l
4.5 pF
Published datasheet condition
Cp
5.3 pF
Published datasheet condition
Cp = 5,3 pF CD1D1'
0.6 pF
Published datasheet condition
CD1'
5.3 pF
Published datasheet condition
CD1' = 5,3 pF CD2D2‘
0.8 pF
Published datasheet condition
Epaisseur de la ligne E¥g3 - gog vAg
0.7 mm
Published datasheet condition
Vgo = 200
-300 V
Published datasheet condition
Vg1 = 0
-50 V
Published datasheet condition
X1
0.25 mm
Published datasheet condition
Np
0.16 mm
Published datasheet condition
3 6800
1 V
Published datasheet condition
Published value
750 V
Published datasheet condition
1) leasured on a circle of
50 mm
Published datasheet condition
Mesuré 4 un cercle de
50 mm
Published datasheet condition
Gemessen an einem Kreis voun
50 mm
Published datasheet condition
Ca1
7 pF
Published datasheet condition
Ca1 = 7,0pF CDQ'
2.8 pF
Published datasheet condition
CD‘]
3.2 pF
Published datasheet condition
CD‘] = 3,2pF cD1D1'
0.7 pF
Published datasheet condition
Cpir = 3,509F Cp2p2
0.9 pF
Published datasheet condition
CD2
3 pF
Published datasheet condition
Vg2 = 200~
-300 V
Published datasheet condition
N¢
0.25 mm
Published datasheet condition
1) Measured on a circle of
50 mm
Published datasheet condition
Gemessen an einem Ereis von
50 mm
Published datasheet condition
O N
759 A
Published datasheet condition
Other
Grenzdaten Yoz _
1000 V
Published datasheet condition
Published value
800 V
Published datasheet condition
Va1
400 V
Published datasheet condition
Vg
100 V
Published datasheet condition
"’D1D1'p
450 V
Published datasheet condition
vD2D2'p
750 V
Published datasheet condition
Wy
3 mW
Published datasheet condition
Vg3
1000 V
Published datasheet condition
Vg3 = max. 1000 V vD1D1'p = maxXe
450 V
Published datasheet condition
Vg3 = min. 800 V Vpoppr,,
750 V
Published datasheet condition
Vg2
400 V
Published datasheet condition
Vg2 = max. 400V We L
3 mw
Published datasheet condition
Vg1
100 V
Published datasheet condition
Vg1 = max. 100V Rg1
0.5 MΩ
Published datasheet condition
Vg3 = max. 1000 ¥ VD7D1 p
450 V
Published datasheet condition
Vg2 = max. 400V Vip
3 mW
Published datasheet condition
~Vg1
100 V
Published datasheet condition
~Vg1 = max. 100V Rg1
0.5 MΩ
Published datasheet condition
Vg3 =min. 800 V VD2D2'p
750 V
Published datasheet condition
Vg1 = max. ov Rp
5 MΩ
Published datasheet condition
Vg1 = max. 100V Rgq
0.5 MΩ
Published datasheet condition