EL84 Page 1 Of 8 - PoC-Net

"Ei-RC" - Electronic tubes factoryData SheetPage 1 of 8EL84EL84 is A.F. OutputPentodeQuick reference data Anode current Ia 48mATranscoductance S 11,3mA/VAmplification µg2g1 19 Output power Wo 6W HeatingIndirect by AC or DC; parallel supply.Heater voltageHeater currentTelephone:FAX:Postal address:Electronic mail:Web site:VfIf6,3760(V)(mA) 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslaviaeirc@eierc.comhttp://www.eierc.com/rc

"Ei-RC" - Electronic tubes factoryPage 2 of 8EL84Dimensions and connectionsBase: NovalTelephone:FAX:Postal address:Electronic mail:Web site:Data Sheet 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslaviaeirc@eierc.comhttp://www.eierc.com/rc

"Ei-RC" - Electronic tubes factoryData SheetPage 3 of 8EL84Operating characteristicsClass AAnode voltageGrid No. 2 voltageGrid No. 1 voltageVaVg2Vg1250250-7,3(V)(V)(V)Cathode resistorRk135(Ω)Load resistanceRa5,2(kΩ)Grid No. 1 drivingvoltageAnode currentGrid No. 2 nternal resistanceRi38Output powertotalsecondDistortion harmonicthirdharmonicWodtot0 0,05 4,5 5,76,8 10d35,8 9,5(%)Anode voltageGrid No. 2 voltageGrid No. 1 voltageVaVg2Vg1250250-7,3(V)(V)(V)Cathode resistorRk135(Ω)Load resistanceRa4,5(kΩ)Grid No. 1 drivingvoltageViAmplificationTelephone:FAX:Postal address:Electronic mail:Web site:d20,3 3,4 4,34,7(VRMS)49,5 49,210,8 11,6(mA)(mA)(mA/V)30(kΩ)(W)(%)620,3 3,5 4,4(%)4,8(VRMS) 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslaviaeirc@eierc.comhttp://www.eierc.com/rc

"Ei-RC" - Electronic tubes factoryData SheetPage 4 of 8EL84Anode currentGrid No. 2 rnal resistanceRi38Output powertotalsecondDistortion harmonicthirdharmonicWodtot0 0,05 4,5 5,77,5 10Anode voltageGrid No. 2 voltageGrid No. 1 voltageAmplification50,6 50,510 11(mA)(mA)(mA/V)(kΩ)(W)(%)6d25,7 5(%)d34,5 8(%)VaVg2Vg1250250-8,4(V)(V)(V)Cathode resistorRk210(Ω)Load resistanceRa7(kΩ)Vi0 0,3 3,5Grid No. 1 drivingvoltageAnode currentGrid No. 2 aIg2S364,110µg2g119Internal resistanceRi40Output powertotalsecondDistortion harmonicthirdharmonicWodtot0 0,05 stal address:Electronic mail:Web site:36,88,55,55,6 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, ��)(W)(%)

"Ei-RC" - Electronic tubes factoryData SheetPage 5 of 8EL84Anode voltageGrid No. 2 voltageGrid No. 1 voltageVaVg2Vg1250210-6,4(V)(V)(V)Cathode resistorRk160(Ω)Load resistanceRa7(kΩ)Grid No. 1 drivingvoltageAnode currentGrid No. 2 nternal resistanceRi40Output powertotalsecondDistortion harmonicthirdharmonicWodtot0 0,05 4,310d21,8(%)d39,3(%)Amplification0,3 3,43,8(VRMS)36,67,336,58(mA)(mA)(mA/V)4,7Notes:1. Grid No. 2 driving voltage measured with fixed bias2. Distortion at Ig1 0,3µATelephone:FAX:Postal address:Electronic mail:Web site: 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, ��)(W)(%)

"Ei-RC" - Electronic tubes factoryData SheetPage 6 of 8EL84Class B, two tubes in push-pullAnodevoltageGrid No. 2voltageGrid No. 1voltageLoadresistanceGrid No. 1drivingvoltageAnode currentGrid No. 2currentOutput 7(V)Raa88(kΩ)Vi08010(VRMS)Ia2 102 37,5 2 7,5 2 46(mA)Ig22 1,12 7,5(mA)Wodtot01132 0,8 2 110174(W)(%)Class AB, two tubes in push-pullAnodevoltageGrid No. 2voltageCommoncathoderesistorLoadresistanceGrid No. 1drivingvoltageAnode currentTelephone:FAX:Postal address:Electronic mail:Web �)Vi0Ia2 31802 37,5 2 3610(VRMS)2 46 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, )

"Ei-RC" - Electronic tubes factoryData SheetPage 7 of 8EL84Grid No. 2currentOutput powerDistortionIg22 3,52 7,52 42 11(mA)Wodtot01130174(W)(%)Operating characteristics in triode connection (g2 connected to a)Class AAnode voltageCathoderesistorLoadresistanceGrid No. 1driving voltageAnode currentOutput odtot3416,7(VRMS)0,05361,959(mA)(W)(%)Class AB, two tubes in push-pullAnode voltageCommon cathoderesistorVa250300(V)Rk270270(Ω)Load resistanceRaa1010(kΩ)Grid No. 1driving voltageAnode currentOutput powerTelephone:FAX:Postal address:Electronic mail:Web site:ViIaWo08,302 20 2 21,7 2 2403,4010(VRMS)2 265,2 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, )(W)

"Ei-RC" - Electronic tubes factoryData SheetPage 8 of 8EL84DistortionGrid No. 1driving voltagefor Wo 50mWdtot2,52,5(%)Vi0,950,9(VRMS)Limiting - maximal values (design center rating system)Anode voltageAnode dissipationGrid No. 2 voltageGrid No. 2 dissipationGrid No. 1 voltageCathode currentautomaticGrid No. 1 biasresistorfixed biasCathode to heater When the heater and positive voltages are obtained from a storage battery by means ofvibrator, the max. values of Va and Vg2 are 250V and that of Wa is 9W.Telephone:FAX:Postal address:Electronic mail:Web site: 381 18 550 741 381 18 550 806Bul. Sv. Cara Konstantina 80-86, 18000 Nis, Yugoslaviaeirc@eierc.comhttp://www.eierc.com/rc

"Ei-RC" - Electronic tubes factory Data Sheet EL84 Page 1 of 8 Telephone: 381 18 550 741 EL84 is A.F. Output Pentode Quick reference data Anode current Ia 48mA Transcoductance S 11,3mA/V Amplification µg2g1 19 Output power Wo 6W Heating