CK6910 (Raytheon)
Dekatron counting tube

Bi-directional double-pulse decimal counting tube.

The following pictures show the tube spinning.
Of course, only one of the cathodes is glowing, but the opening time of the camera generates different pictures:

a long opening time of the camera:

a short opening time of the camera:

by night, with  long opening time of the camera:

An animation of a spinning dekatron (neon filled, colour not like the GS10D!):

German English    
Röhrentyp Tube type   CK6910
Hersteller Brand   Raytheon
Vergleichstypen Substitutes   6910
Zähl-Richtung Counting direction   bidirectional
Arbeitsweise Operation   double pulse
Art Sort   SEL
Sockel Base   B12E
Fassung Socket   B12E
Nullposition Zero position   Pin 12
Zähl-Schritte Counting steps   10
Anzahl der Hilfskathoden Number of guides   2
Gasfüllung Gas filling   Argon
Röhrendurchmesser maximal Tube diameter max. mm 37
Röhrenhöhe maximal Tube height max. mm 96,5
max. Zähl-Geschwindigkeit Max. counting speed kHz 100
Betriebsspannung minimal Supply volt. min. V 400
Betriebsspannung typisch Supply volt. typ. V 450
Brennspannung typisch Maintaining voltage typ. V 235
Anoden bzw. Kathodenstrom min. Anode/cath. current min. µA 600
Anoden bzw. Kathodenstrom max. Anode/cath. current max. µA 1200
Netzteil Leistung minimal Power supply power min. mW 360
Anodenwiderstand typisch Anode resistor typical 270
Spannungsdifferenz zw. 2 Kath. max. Voltage between 2 cathodes max. V 140
Transferspannung minimal Transfer voltage min. V 35
Hilfskathodenvorspannnung minimal Guide bias volt. min. V 45
Hilfskathodenimpulsspannung (Rechteck) Guide signal voltage rectangle Vp -85 (min)
Hilfskathodenimpulsdauer minimal Guide signal pulse duration min µs 4
Kathodenwiderstand typisch Cathode resistor typical 24
Kathodenwiderstand maximal Cathode resistor max. 50
Ausgangsspannung Output voltage V 15
Resetimpulsspannung Reset pulse voltage min. V -120
Resetimpulsdauer min. Reset pulse duration min. µs 4
Anschlussbelegung: Pinout:    
PIN 01 PIN 01   K0
PIN 02 PIN 02   K9
PIN 03 PIN 03   K8
PIN 04 PIN 04   K7
PIN 05 PIN 05   K6
PIN 06 PIN 06   K5
PIN 07 PIN 07   K4
PIN 08 PIN 08   K3
PIN 09 PIN 09   K2
PIN 10 PIN 10   K1
PIN 11 PIN 11   G2
PIN 12 PIN 12   G1
Kappe in der Mitte center cap   A

Pinout & Outline:


Document #158: Raytheon CK6910 Dekatron tube datasheet - Dated 1960
File: CK6910.pdf
Display devices in this document:

Document #160: Raytheon Catalog SP-7649-360-20M - Dated 1961
File: Raytheon-cat01.pdf
Display devices in this document:
6476, 6802, 6879, 6909, 6910, 7155, 7978, 6476A, GC10/4B, GS10C/S, Z303C, Z502S

Document #236: Sylvania Brochure "Counter Tube Handbook"
File: Sylvania_Counter_Tube_Handbook.pdf
Display devices in this document:
6476A, 6802, 6879, 6909, 6910, 7155, 8035, 8353

Document #237: Sylvania Brochure "Decade Counter Tubes - Second Edition" - Dated 1959
File: Sylvania_Brochure-2.pdf
Display devices in this document:
6476, 6802, 6879, 6909, 6910, 7155, 6476A

Document #028: Ericsson book "Electronic Counting Circuits" - Dated 1967
Display devices in this document:
6370, 6476, 6476A, 6482, 6802, 6844, 6844A, 6879, 6909, 6910, 7009, 7153, 7155, 7977, 7978, 8037, 8262, 8433, B4021, B4081, B50113, B5018, B5031, B5092, B5094, B5991, B6033, B6037, B6091, B7094, B8091, BD302, BIP-8001, BIP-8002, C10-241E, CV1739, CV1740, CV2223, CV2271, CV2325, CV5106, CV5143, CV5278, CV5291, CV5842, CV6044, CV6100, DZ10, E1T, ECT100, EZ10A, EZ10B, F9002, F9004, F9007, F9008, F9009, G10-241E, GC10-2P, GC10-4B, GC10-4B-L, GC10B, GC10B-L, GC10B-S, GC10D, GC12-4B, GCA10G, GN4, GN5, GN5A, GN6, GP10-2P, GR10A, GR10G, GR10H, GR10J, GR10K, GR10M, GR10N, GR10W, GR12G, GR12H, GR2G, GR2H, GR4G, GS10C, GS10C-S, GS10D, GS10E, GS10G, GS10H, GS10J, GS10K, GS12C, GS12D, GSA10G, P22, P32, P40, S462, TA542, TA543, XN1, Z302C, Z303C, Z502S, Z503M, Z504S, Z505S, Z510M, Z520M, Z521M, Z522M, Z550M, ZM1020, ZM1021, ZM1022, ZM1040, ZM1050, ZM1060, ZM1070, ZM1080

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