Chelmer Valve 738-!7/ electronic tube EL84 - Supe BRIEF DESCRIPTION: used typically in the Maximum anode dissipa (class AB1) naximum-signal Te This is a miniature 9-pin(B9A) output stage o tion 14 12 watts & with 2 t power output 18 17 watts. power pen tode f audio frequency amplifiers, ubes, push-pull Ur | a Ug | Ugs | Mga la tg2 s 1 | Ry | RolRalad| Po | Meinl Pt Poe Pa tot v [A viv Vv mA mA Lima [OQ] 2 | kA iwty is} w pw (stat 250 | 250) 7.3 48 5,5 1,3 | 38 aso | 250} 7.3 [48449,2|5.5+116) 113 | 38) 135 $2 6 4.7 | 10 A 250 | 250 | 7.3 [48450,5|55-741 | 1L3 aa ] 13s] 45 6 46 | 10 350} 250) B84 [36+36,8[4,1-+146) 10 40} 200} 7 5,6) 5.5 | to 350 | 210 | 6.4 |36-+365|3.9+8. | 104 | 40] 160 7 47 | 32 | 10 AB 250 | 250 62475 | 7+IS 30) yj tt @ 3 6.3 | 0,76 300 | 300 72-92 | 8+22 130 | (8) 17 | to 4 V5 250 | 250 | 11,6 [20275 [2,215 @ jiu fs ]3 300 | 300 | 14,7 |!5+92 |1,6+22 (8) iz | 10 4 A : ! _ 1,9 . 9 ait 250 9 134436 270 | 3,5 9s 67 AB 250 | 40243,4| ' aro | (oy | 34] 83 | 25 Fig. 1 fj 300) 48-52 _ jy 270 F 010) $2 | 10 [25 L 300 | 300 | 100 maximum tha 65 mA; Uyi x = 100 Vi M(gilgu = 9 2,8 Fig.t te IBV Ky 400 Ua(y) 900 2 A+ 62 60 Ly ' 40\10 4 hp 290 G 2k 20 a ; 60 fa: 40 {Ue bhp eZ50V. 3-84 20 ! - MY, Chelmer Valve p 2/2 . electronic tube - ELS4 ( ES84L) Ig (mA) | | i 60) y = 250V 4a R= 2702 Ug Uy = 250 Ry 3SKP yy =309 40 * 29 20 410 ma a a 0 a5 1 15, Biwi 2 rf Votre a" tig Up - 250 V yi ~HEV @ 0 BW) 25 100 8 y= Uy2= 300 Um -14,7V Ia 80 (mA) &0 40 20 0 0 3 10 1 BtW) 16 Ugfi 12 10 -8 ~-6 0 a Z 0 5 BIW) fa (mA) 80 60 ai ' ' j ' us | i | Ubja | Us Unig: Ro: Use Ug: ha bgs Rj uy Ro Po | Uguas A _ ch ~ we we ane | em. ee ee fee ef Oe; mee of eee --. fa... v ; A r oy vo} v fy v mA ' mA mAlV [kth gr ko? Ww v % EL34 | ( A 26s | 250 | 265 | 2000 235 | 145 | 70273 10-=5 9 is 3 al 93 | 10 2 A 265 | 250 | 265 0 265 | 13,8 | 1002105 | 14,9429 1s 2 i 8,7 } 10 AB 430 1000 425 125+130 10+10,2 Fig. 2 470 6.6 20 6 0,8 AB 420 1000 425 125140 10515 be 470 | 66 | 37 | 26 13 = AB 75 318 | 375 | 470 324 ts0+190 | 23-445 Fig. 3 190 |.3,4 | 35 | at 5 ~. TYPICAL B 3so | 325 | 350 | 470 7 | 2 7o+190 | 9,5+50 32 | 3 | 27 | 6 = CHARACTERISTICS 8 375 | 380 | 375 } 470 352 | 32 7o+240 | 9,5-+50 Fic. 4 28 | 4 | 27 | 5 3-4! 63 | 15 |p 6 40 | 375 | 400 | 1000 350 | 38 60+200 | 8,8+50 4 45 | 27 6 B 42s | 400 } 425 | 1000 375 | 38 604240 | 8,8+50 34 | 55 | 27 5 Fig. At&, 8 475 | 450 | 375 | 750 338 | ~36 60-204 8-50 . 5 ss} asa | 6 : 4 KO 8 soo |} 475 400 | 750 363 | 36 60-+250 8+50 fie. 4 70 } 258 | 5 S50 7 B yo | mas | 375 | 730 | 347 | 39 50-1168 638 * ut 9 | 234 | 6 = 8 soo | 775 | 400 | 750 372 | 39 50-+ 182 6-38), it oo | 244 ] 5 wos A 375 #48 _ - _ _ 70+-73,5 - Fi 1 370 | 3 6 | wo | 8 A 4oo | 370 | -_ ~ 130142 _ t mo | 5 16,5| 22 3 4 800 425 maximum (Jy = {50 mA; Pg = 25 W; -Pgg = 8 W: H(gtigt) = UN; 1 Rg = 0,7 MO; Up, = 100 4 K+G3 Cot | Ca | Cgite| Sgr | Curr & & Uptee ; lh pF | pF | pF | pF | pF A v7 I, _ 4) ' (% =Us= ; = 5,4 | 8.4 | 1 | 1 10 || Ua= Ugo 250V ph CAPACITANCES al : ' ! ! ' e i fo] Ja ; 0 2 4 8 70 Bini Tq T L {mA} ml 2 NV A pide - : mA) iS7 Uz =360V A 1.Ug = 250; Ug2=250V; 400;-4 ~4v Uys = OV (4) Ups= OV 74 2.Ug==350V ; Ugg =375; Ve -av Ups OV 3001-4} $= 3. = 400V Ugg = 425 | ~12V, i 4-4 ' et =16V 701 an a | =20V olf APs te VY fF = 25 OTT = TS 0 100 200 300 400500 600 UAV, 0 Chelmer Valve electronic tube Piss