Data set 01
1971 NEC
Published operating points and test conditions from this source.
Tetrode
Other
Maximum ratings apvly at frequency up to
250
Maximum ratings apvly at frequency up to 250 ¥
Voltage cviieiitiieecntronssennssnsanscassons
7.5 V
Voltage cviieiitiieecntronssennssnsanscassons 7.5 volts
Current .e.veeerceeesnnencacsosscncssansnnas
120 A
Current .e.veeerceeesnnencacsosscncssansnnas 120 amps
Maximum Starting Current .....ciecececcencas
300 A
Maximum Starting Current .....ciecececcencas 300 amps
Transconductance (Ib= [1]
2.5
Transconductance (Ib=2.5 8EPS) +evvrrivervnnoncnens 60 millimhos
Transconductance (Ib= [2]
8
Transconductance (Ib=2.5 8EPS) +evvrrivervnnoncnens 60 millimhos
Transconductance (Ib= [3]
60
Transconductance (Ib=2.5 8EPS) +evvrrivervnnoncnens 60 millimhos
Anplification Factor, Grid No [1]
2
Anplification Factor, Grid No.2 to Grid No.l .... 8.7%
Anplification Factor, Grid No [2]
8.7
Anplification Factor, Grid No.2 to Grid No.l .... 8.7%
Grid No.l to Filament ....iivivveeracenccans
56
Grid No.l to Filament ....iivivveeracenccans 56 uplf
Grid No.l to Grid NOe2 teiieererecesnononens
91
Grid No.l to Grid NOe2 teiieererecesnononens 91 uuF
Grid Wo [1]
2
Grid Wo.2 to Plate .sceereeervessncocnccnsces 20 uprF
Grid Wo [2]
20
Grid Wo.2 to Plate .sceereeervessncocnccnsces 20 uprF
Grid No [1]
1
Grid No. 1 to Plate (Note 1) et 0.6 i
Grid No [2]
1
Grid No. 1 to Plate (Note 1) et 0.6 i
Grid No [3]
0.6
Grid No. 1 to Plate (Note 1) et 0.6 i
Plate to Filament (Note [1]
1
Plate to Filament (Note 1) ..eeeveeeveceee.. 0.075 uuF
Plate to Filament (Note [2]
0.075
Plate to Filament (Note 1) ..eeeveeeveceee.. 0.075 uuF
on the grid No
2
on the grid No.2 terminal plain and connected to it.
To plate: Forced air cooling required (Note
2
To plate: Forced air cooling required (Note 2)
Plate dissipation ceieensoseeceeses [1]
10 kW
Plate dissipation ceieensoseeceeses 10 12 15 kW
Plate dissipation ceieensoseeceeses [2]
12 kW
Plate dissipation ceieensoseeceeses 10 12 15 kW
Plate dissipation ceieensoseeceeses [3]
15 kW
Plate dissipation ceieensoseeceeses 10 12 15 kW
Maximum incoming air temperature
45
Maximum incoming air temperature ......... 45 °¢C
Maximum radiator temperature (Note [1]
3
Maximum radiator temperature (Note 3) .... 250 oC
Maximum radiator temperature (Note [2]
250
Maximum radiator temperature (Note 3) .... 250 oC
temperature .....c
250
temperature .....c... 250 ¢
DC Plate VOItAZE ceveieesecenscecacsscscnnscscsnesonans
8000
DC Plate VOItAZE ceveieesecenscecacsscscnnscscsnesonans 8000 volts
DC Grid No [1]
2 V
DC Grid No.2 VOltage cceevsceeescrsacccocnsecensanna 1500 volts
DC Grid No [2]
1500 V
DC Grid No.2 VOltage cceevsceeescrsacccocnsecensanna 1500 volts
DC Grid Fo.l Voltage .eveieiecesesnsssesccacnnnaesss ~
1000 V
DC Grid Fo.l Voltage .eveieiecesesnsssesccacnnnaesss ~1000 volts
DC Plate Current ...e.iceeeeeeccececseescacaccsnnnnas
5.5 A
DC Plate Current ...e.iceeeeeeccececseescacaccsnnnnas 5.5 amps
DC Grid No [1]
2
DC Grid No.2 CUrTent teeeeceesscescocecscovosoonnnas 250 mA
DC Grid No [2]
250
DC Grid No.2 CUrTent teeeeceesscescocecscovosoonnnas 250 mA
DC Grid No.]l CuUrrent .ouueeeecereearantooccasnoascese
250
DC Grid No.]l CuUrrent .ouueeeecereearantooccasnoascese 250 mA
Plate Input ........ et cesesteasescecttessnsnestnnas
30 kV
Plate Input ........ et cesesteasescecttessnsnestnnas 30 kv
Plate Dissipation seeeseveeeececesscecsoccacnnansnes
15 kW
Plate Dissipation seeeseveeeececesscecsoccacnnansnes 15 kW
Grid No [1]
2 W
Grid No.2 Dissipation teiuieseececcececncoccosaceasae 300 watts
Grid No [2]
300 W
Grid No.2 Dissipation teiuieseececcececncoccosaceasae 300 watts
Grid Mo.]l DisSSipation steveeeciececccacecscanaconnans
180
Grid Mo.]l DisSSipation steveeeciececccacecscanaconnans 180 watts
DC Plate Voltage ..veicenceecencressnccccsannnonsans
6200 V
DC Plate Voltage ..veicenceecencressnccccsannnonsans 6200 volts
DC Grid No [1]
2
DC Grid No.2 VOlt8EE cuvvritiseecasanaccorscanennces - 830 volts
DC Grid No [2]
830
DC Grid No.2 VOlt8EE cuvvritiseecasanaccorscanennces - 830 volts
DC Grid No.l Voltage ceevecssccnsesncacnosscsannsonn
-120 V
DC Grid No.l Voltage ceevecssccnsesncacnosscsannsonn -120 volts
SC Grid ¥o
2 A
SC Grid ¥o.2 Current
Driving Power (aporox.) (Note
4 W
Driving Power (aporox.) (Note 4)
DC plate Voltage ® [1]
0 V
DC plate Voltage ® 0 8 6 D & 9 OO O B OO eSO OE OO PR O S Ce eSS e 8000 volts
DC plate Voltage ® [2]
8 V
DC plate Voltage ® 0 8 6 D & 9 OO O B OO eSO OE OO PR O S Ce eSS e 8000 volts
DC plate Voltage ® [3]
6 V
DC plate Voltage ® 0 8 6 D & 9 OO O B OO eSO OE OO PR O S Ce eSS e 8000 volts
DC plate Voltage ® [4]
9 V
DC plate Voltage ® 0 8 6 D & 9 OO O B OO eSO OE OO PR O S Ce eSS e 8000 volts
DC plate Voltage ® [5]
8000 V
DC plate Voltage ® 0 8 6 D & 9 OO O B OO eSO OE OO PR O S Ce eSS e 8000 volts
DC Grid No [1]
2 V
DC Grid No.2 Voltage .veecescassosecssocensosncsnncas 1500 volts
DC Grid No [2]
1500 V
DC Grid No.2 Voltage .veecescassosecssocensosncsnncas 1500 volts
Max. Signal DC Plate Current c..ceescececscvcascnsnas
5.5 A
Max. Signal DC Plate Current c..ceescececscvcascnsnas 5.5 amps
° Pl&te Dissipation o-.o.-..o-.---.Aocaun.t-oc-'OCtO" ,
15 kW
° Pl&te Dissipation o-.o.-..o-.---.Aocaun.t-oc-'OCtO" ,15 kW
Grid No [1]
2 W
Grid No.2 Dissipation teeeieeecescveececcssacsasscsss 300 vatts
Grid No [2]
300 W
Grid No.2 Dissipation teeeieeecescveececcssacsasscsss 300 vatts
DC Plate Voltage [1]
90 V
DC Plate Voltage 90 s e PP L et st es P e eP TR EOORBOISIOIEOTOGETRTDLETSY 8000 voltis
DC Plate Voltage [2]
8000 V
DC Plate Voltage 90 s e PP L et st es P e eP TR EOORBOISIOIEOTOGETRTDLETSY 8000 voltis
DC Grid N°
2 V
DC Grid N°.2 Voltage ...‘..'...........'..."l.‘.‘... .lmo volts
DC Grid NO-l Voltage [1]
0 V
DC Grid NO-l Voltage 0ocooolacl'oo-ooona'.t'l.lo.oof -130 volts
DC Grid NO-l Voltage [2]
-130 V
DC Grid NO-l Voltage 0ocooolacl'oo-ooona'.t'l.lo.oof -130 volts
PeakRI‘ Grid l\'o.l voltage LA B R B BN K B BE AN K BB AN B K I I Y B A BN
120 V
PeakRI‘ Grid l\'o.l voltage LA B R B BN K B BE AN K BB AN B K I I Y B A BN 120 voltis
Max. Signal DC Plate Current ....ocvevecececesceares
2.16 A
Max. Signal DC Plate Current ....ocvevecececesceares 2.16 amps
Zero-~Signal DC Plate Current ...ceeieececcascsocessns
250 A
Zero-~Signal DC Plate Current ...ceeieececcascsocessns 250 mA
Max. Signal DC Grid No [1]
2 A
Max. Signal DC Grid No.2 Current ................;.. - 30
Max. Signal DC Grid No [2]
30 A
Max. Signal DC Grid No.2 Current ................;.. - 30
Max. Signal Power Output (approx.) csesesstscsccenns
11.4 kW
Max. Signal Power Output (approx.) csesesstscsccenns 11.4 kW
DC Plate Voltage R R R I I S I RN SR B A B A N I I A B I I I )
8000 V
DC Plate Voltage R R R I I S I RN SR B A B A N I I A B I I I ) 8000 volts
DC Grid No [1]
2 V
DC Grid No.2 Voltage seecesevecaas ceessessasesrevsns 1500 volts
DC Grid No [2]
1500 V
DC Grid No.2 Voltage seecesevecaas ceessessasesrevsns 1500 volts
DC Grid Yo.l Voltage .vieieesececennsssansnseneesanres =
1000 V
DC Grid Yo.l Voltage .vieieesececennsssansnseneesanres =1000 Qol@;
DC Plate Current c...eiecerescacoscsrsessacssssccnnnes
4.5 A
DC Plate Current c...eiecerescacoscsrsessacssssccnnnes 4.5 amps
DC Grid Yo [1]
2
DC Grid Yo.2 Curreqt “etsessesasesessacecassasenrares 250
DC Grid Yo [2]
250
DC Grid Yo.2 Curreqt “etsessesasesessacecassasenrares 250
DC Grid No.l Current ..e..ccececccocnanas ;
250 A
DC Grid No.l Current ..e..ccececccocnanas ;.......... 250
Plate Input seeeiceseraeccccennsovssssaansssassaares
30 kW
Plate Input seeeiceseraeccccennsovssssaansssassaares 30 kW
Plate Dissipalion seeeeesevestncconccessacocnsescnsa
15
Plate Dissipalion seeeeesevestncconccessacocnsescnsa 15 k¥
Grid No [1]
2 W
Grid No.2 Dissipation s.iecevnvnceronocrocasavengenae 300 wattis
Grid No [2]
300 W
Grid No.2 Dissipation s.iecevnvnceronocrocasavengenae 300 wattis
Grid No.l Dissiration ..eeeeeeveccaicsecscnssnconacas
180
Grid No.l Dissiration ..eeeeeeveccaicsecscnssnconacas 180 watts
DC Plate Volt&ge nco{oouQ-.;co-o--noo'foouoon;o-u
7000
DC Plate Volt&ge nco{oouQ-.;co-o--noo'foouoon;o-u-.. 7000 Volts
DC Grid No'z Voltage ® [1]
0 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [2]
5 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [3]
9 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [4]
6 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [5]
45 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [6]
65 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [7]
508 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC Grid No'z Voltage ® [8]
0 V
DC Grid No'z Voltage ® 0 & 5 9 6 45 65 508 0 s s PR Lo e looo volts
DC GI‘id NO;]. Voltage [1]
6 V
DC GI‘id NO;]. Voltage 6 ¢ 2000080000000 tAsss BRI PLsLD -260 VOltS
DC GI‘id NO;]. Voltage [2]
2000080000000 V
DC GI‘id NO;]. Voltage 6 ¢ 2000080000000 tAsss BRI PLsLD -260 VOltS
DC GI‘id NO;]. Voltage [3]
-260 V
DC GI‘id NO;]. Voltage 6 ¢ 2000080000000 tAsss BRI PLsLD -260 VOltS
Peak RF Grid N0el VOLERZE eeveeeesreensseconnsacenss
312
Peak RF Grid N0el VOLERZE eeveeeesreensseconnsacenss 312 volts
DC Plate Current ....ccceveveenssnscsccnsccscascncnse
3 A
DC Plate Current ....ccceveveenssnscsccnsccscascncnse 3 amps
DC Grid No [1]
2 A
DC Grid No.2 Current ..ceeveesossossssssssssssncnoss 63 mA
DC Grid No [2]
63 A
DC Grid No.2 Current ..ceeveesossossssssssssssncnoss 63 mA
DC Grid Ro.l Current ..c.viiieerennnesonnoscsnsnsns
67 A
DC Grid Ro.l Current ..c.viiieerennnesonnoscsnsnsns 67 mnA
Driving Power (approx.) (Note [1]
4 W
Driving Power (approx.) (Note 4) tueeeveveieeerencnnns 20 watts
Driving Power (approx.) (Note [2]
20 W
Driving Power (approx.) (Note 4) tueeeveveieeerencnnns 20 watts