Data set 01
1971 NEC
Published operating points and test conditions from this source.
Tetrode
Other
Filament; Thoriated Tungsten Go : Grid Ne
2
Filament; Thoriated Tungsten Go : Grid Ne.2
Current tvo.iieeeeennecencnans
68 A
Current tvo.iieeeeennecencnans 68 amps
Maximum Starting Current
140 A
Maximum Starting Current ... 140 amps
Anolification Iy actor, Crid No
2
Anolification Iy actor, Crid No.2 to Grid Ho.) +veeees
Grid No.l to Plate .......,....................v
0.57
Grid No.l to Plate .......,....................v 0.57 upF
Filament to Plate teteerecicreetietasetnsannans
0.08
Filament to Plate teteerecicreetietasetnsannans 0.08 upF
Grid No [1]
2
Grid No.2 to Platé i sesesesseereatecseosensans 17 uuF
Grid No [2]
17
Grid No.2 to Platé i sesesesseereatecseosensans 17 uuF
Grid No.l t0 Filament «.oueeeeeesesneeeessnness
48
Grid No.l t0 Filament «.oueeeeeesesneeeessnness 48 pyF
Grid No.l to Grid No [1]
2
Grid No.l to Grid No.2 severinverennnscoonnonans 70 pp¥
Grid No.l to Grid No [2]
70
Grid No.l to Grid No.2 severinverennnscoonnonans 70 pp¥
Frequency for Maximum Ratings ...ceeeeecsecseccenose
250 MHz
Frequency for Maximum Ratings ...ceeeeecsecseccenose 250 MHz
Maximunm incoming air temperature .....ccccieeee
40
Maximunm incoming air temperature .....ccccieeee 40
Maximum radiator temperature ........... cecnae
250
Maximum radiator temperature ........... cecnae 250
Maximum seal temperature ..iiecieeceeeeceseeses
250
Maximum seal temperature ..iiecieeceeeeceseeses 250
DC Plate voltage [1]
8 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [2]
60000000000 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [3]
0 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [4]
6000 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [5]
0 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [6]
0 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Plate voltage [7]
7000 V
DC Plate voltage 8 0060000000000 0000s006000s000s0st00 7000 VOltS
DC Grid N‘DCZ voltage ® [1]
9 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [2]
0 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [3]
8 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [4]
0 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [5]
6 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [6]
8 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [7]
0 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
DC Grid N‘DCZ voltage ® [8]
1200 V
DC Grid N‘DCZ voltage ® 9 0 08 0 6 08 0O B S E OSSO OO E NSO PN s 1200 volts
Max. Signal DC Plate Current ...eciecesseseercsnceoe
2.8 A
Max. Signal DC Plate Current ...eciecesseseercsnceoe 2.8 amps
Plate Dissipation ® [1]
5 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [2]
5 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [3]
0 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [4]
80 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [5]
0 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [6]
900 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Plate Dissipation ® [7]
4 kW
Plate Dissipation ® 5 5 0 % 80 00 900E T O SO OO0 DL SO OO OS e RSN 4 kw
Grid No [1]
2 W
Grid No.2 Dissipation ..c.eseececescsccssccscoensasasn 150 watts
Grid No [2]
150 W
Grid No.2 Dissipation ..c.eseececescsccssccscoensasasn 150 watts
DC Plate VoltaBge c.iveeeceeesscecasosansssanscanannsns
5000
DC Plate VoltaBge c.iveeeceeesscecasosansssanscanannsns 5000 volts
DC Grid No [1]
2 V
.DC Grid No.2 Voltage l.............................. 900 volts
DC Grid No [2]
900 V
.DC Grid No.2 Voltage l.............................. 900 volts
DC Grid No.l VOltAgBEe .cveceescessancnvsencvvanscsanss =
125
DC Grid No.l VOltAgBEe .cveceescessancnvsencvvanscsanss =125 volts
Peak RF Grid No.l Voltage ..iieeeecenesrecoasecnnsns
125 V
Peak RF Grid No.l Voltage ..iieeeecenesrecoasecnnsns 125 volts
Max. Signal DC Plate Current ..eeiveceecsscescacance
1.58 A
Max. Signal DC Plate Current ..eeiveceecsscescacance 1.58 amps
Zero-Signal DC Plate Current ...cviivviecvcnsonsnoces
200 A
Zero-Signal DC Plate Current ...cviivviecvcnsonsnoces 200 mA
Max. Signal DC Grid Yo [1]
2 A
Max. Signal DC Grid Yo.2 Current ..... cscteserarsecea 35 mA
Max. Signal DC Grid Yo [2]
35 A
Max. Signal DC Grid Yo.2 Current ..... cscteserarsecea 35 mA
Max. Signal Driving Power (approx.) ccecsssscasannan
0 W
Max. Signal Driving Power (approx.) ccecsssscasannan 0 watts
Max. Signal Plate Power Qutput ( [1]
2 kW
Max. Signal Plate Power Qutput (2pprox.) ceeeveeeeece. 5.1 kW
Max. Signal Plate Power Qutput ( [2]
5.1 kW
Max. Signal Plate Power Qutput (2pprox.) ceeeveeeeece. 5.1 kW
DC Plate Voltage ..... S
7000 V
DC Plate Voltage ..... S 7000 volts
DC Grid No [1]
2
DC Grid No.2 VoltaAgZe cieeieecscsostssansoosonosnaonssne 1200 volts
DC Grid No [2]
1200
DC Grid No.2 VoltaAgZe cieeieecscsostssansoosonosnaonssne 1200 volts
DC Plate Current .....cevescacccacssnsnsorssasocnnses
2.8 A
DC Plate Current .....cevescacccacssnsnsorssasocnnses 2.8 anmps
Plate Dissipation .ceieeeenecscccsetscesrsrosesnssns
4 kW
Plate Dissipation .ceieeeenecscccsetscesrsrosesnssns . 4 kW
Grid No [1]
2 W
Grid No.2 Dissipation .....cieieeviccsnocacsssescnee 150 watts
Grid No [2]
150 W
Grid No.2 Dissipation .....cieieeviccsnocacsssescnee 150 watts
Grid NO.l DiSSipatiOIl € [1]
0
Grid NO.l DiSSipatiOIl €00 st s rss0 000t ersctets sy SO V&tts
Grid NO.l DiSSipatiOIl € [2]
0
Grid NO.l DiSSipatiOIl €00 st s rss0 000t ersctets sy SO V&tts
DC Plate Voltage .............;....................;
4500 V
DC Plate Voltage .............;....................; 4500 volts
DC Grid No [1]
2 V
DC Grid No.2 Voltage ceeeeesserescssccssnassaccansans 500 volts
DC Grid No [2]
500 V
DC Grid No.2 Voltage ceeeeesserescssccssnassaccansans 500 volts
DC Grid No.l Voltagev
-70 V
DC Grid No.l Voltagev............................... -70 volts
DC Crid No
2 A
DC Crid No.2 Current:
DC Plate Voltage c.vivieecreeacsvesessosesnnssonsanes
7000 V
DC Plate Voltage c.vivieecreeacsvesessosesnnssonsanes 7000 volts|
DC Grid Yo [1]
2 V
DC Grid Yo.2 Voltage ..... cecesscsennea sescvasssenans 1200 volts
DC Grid Yo [2]
1200 V
DC Grid Yo.2 Voltage ..... cecesscsennea sescvasssenans 1200 volts
DC Grid No.l Voltage eieeeneans ;.......... ..... ceesen
-500 V
DC Grid No.l Voltage eieeeneans ;.......... ..... ceesen -500 volts
DC Plate Current ...ceeeceveseasos Ceteteeceans ceeeeen
2.2 A
DC Plate Current ...ceeeceveseasos Ceteteeceans ceeeeen 2.2 amps
Plate Dissipation ...voeeeceess crsecssans coennes reeeen
4 kW
Plate Dissipation ...voeeeceess crsecssans coennes reeeen 4 kW
Crid ' [1]
0.2 W
Crid '0.2 Dissipation seeveeeeeeeenn.. Cereeeniieaeeas 150 watts
Crid ' [2]
150 W
Crid '0.2 Dissipation seeveeeeeeeenn.. Cereeeniieaeeas 150 watts
Grid No.l Dissipation ...ie [1]
0 W
Grid No.l Dissipation ...ie.0v0se creenoans cesoensas oo 50 watts
Grid No.l Dissipation ...ie [2]
50 W
Grid No.l Dissipation ...ie.0v0se creenoans cesoensas oo 50 watts
DC Plate Voltage .ceceeecececnnconcncnsns ceses [1]
5000 V
DC Plate Voltage .ceceeecececnnconcncnsns ceses 5000 6000 volis
DC Plate Voltage .ceceeecececnnconcncnsns ceses [2]
6000 V
DC Plate Voltage .ceceeecececnnconcncnsns ceses 5000 6000 volis
DC Grid No [1]
2 V
DC Grid No.2 Voltage ...eeceiceaes chesserseneae 500 500 volts
DC Grid No [2]
500 V
DC Grid No.2 Voltage ...eeceiceaes chesserseneae 500 500 volts
DC Grid No [3]
500 V
DC Grid No.2 Voltage ...eeceiceaes chesserseneae 500 500 volts
DC Grid No.l Voltage ..iveevecee crerecessasnas -~ [1]
170 V
DC Grid No.l Voltage ..iveevecee crerecessasnas -~170 -185 volts
DC Grid No.l Voltage ..iveevecee crerecessasnas -~ [2]
-185 V
DC Grid No.l Voltage ..iveevecee crerecessasnas -~170 -185 volts
Peak RF Grid Yo.l Voltage v......... ceveerees [1]
240 V
Peak RF Grid Yo.l Voltage v......... ceveerees. 240 275 voltis
Peak RF Grid Yo.l Voltage v......... ceveerees [2]
275 V
Peak RF Grid Yo.l Voltage v......... ceveerees. 240 275 voltis
DC Plate Current .sececeveceecss cetrecrasiteans [1]
1.3 A
DC Plate Current .sececeveceecss cetrecrasiteans 1.3Q 1.71 amps
DC Plate Current .sececeveceecss cetrecrasiteans [2]
1.71 A
DC Plate Current .sececeveceecss cetrecrasiteans 1.3Q 1.71 amps
DC Crid Mo [1]
2 A
DC Crid Mo.2 Current ...eeecescecesecsssccasss 60 78
DC Crid Mo [2]
60 A
DC Crid Mo.2 Current ...eeecescecesecsssccasss 60 78
DC Crid Mo [3]
78 A
DC Crid Mo.2 Current ...eeecescecesecsssccasss 60 78
DC Grid Mo.l Current ..eeeeeeseecens cecrecnnes [1]
100 A
DC Grid Mo.l Current ..eeeeeeseecens cecrecnnes 100 140
DC Grid Mo.l Current ..eeeeeeseecens cecrecnnes [2]
140 A
DC Grid Mo.l Current ..eeeeeeseecens cecrecnnes 100 140
Driving Power (aoprox.) (Hote [1]
1 W
Driving Power (aoprox.) (Hote 1) +eviiieueenns 22.8 36.3
Driving Power (aoprox.) (Hote [2]
22.8 W
Driving Power (aoprox.) (Hote 1) +eviiieueenns 22.8 36.3
Driving Power (aoprox.) (Hote [3]
36.3 W
Driving Power (aoprox.) (Hote 1) +eviiieueenns 22.8 36.3
Plate Power Nutput {(approx.) ...... ceesseanees [1]
556 W
Plate Power Nutput {(approx.) ...... ceesseanees 5,56 8.2
Plate Power Nutput {(approx.) ...... ceesseanees [2]
8.2 W
Plate Power Nutput {(approx.) ...... ceesseanees 5,56 8.2
After filament and grid No.l low voltage supnlies have been on for
10 V
After filament and grid No.l low voltage supnlies have been on for 10
minutes, aprly plate and grid Yo
2 V
minutes, aprly plate and grid Yo.2 voltages and opefate the tube with
reduced driving power for an additional
30 W
reduced driving power for an additional 30 minutes. All tuning adjust-