Chelmer Valve 73% -1ES electronic tube 3R-2S06 ECC83, Prue. BRIEF DESCRIPTION: A miniature 9-pin(B9A) high-Mu,twin triode with centre tapped heater & seperate cathodes primarily intended for use as a resistance coupled amplifier .or phase inverter. This type has controlled low noise,hum &-microphony characteristics is used in hi-fi audio applications,typically operating as a resistance coupled amplifier. I l a u iy u u I s R Urn | ' [ |) Sf f a 8 la i u irik hg Ps 7 & Vv AL | Ov Ov mA | mAVv | &2 | VV GY Homa |W aie i {745 (7 | | | sil A, too || I 0.5 1,25 80 | 100 s 4 6.3/12,6 {03/015 | 20 | 2 1,2 16 62,5 | 100 |. s/ s/ 300 | So maximum wo | e.] 4 7 A : FETs 3 J | | Of VS : | | f 2 . a . | LLL, | : Y JY Us \ 1 | Se Ca | Coral Cgit | Cgtg | Cala] Catsgtt | Cattygi UZ, y pF | pF | PF | pF | pF | oF pF pF ~4U(V)-3 -2 1 0 1 Usece. 16 | 0,46 | 47 [ots | | It sece. 16 [9.34 { 7 [01S [Oot | 12 0, 0,t Ia oN Sy ON A (mA) Q a /] 4 wl. a> LA X Y/ Y/ \/ A A 3 L AL Py L A L L A A 2 YY / YY Yo So / aN \\ 1 L L L LL 4 LL AE ZA iY 7 | 1/4 Bs S /V) p wAflV) (%) . t : 222 18 16 Rn 4 ~ . Ri 4 0... 2 3 I,(mA) 4 0 1 45 F(a)? Chelmer Valve electronic tube ECC83 Tr. 2 of 2 a . nAl Fig.2 ~_ aii Ug re U Ua re . | Fig. | Fig. 2 i Un Ry | Ry Ry lq Ugns B A Up Rg Ry Ig Ugas h ae 1 yvoo$ ef ARO kK mA v viv % v kQ kQ mA v VN % | 200 20!) 47 E150 1,5 0,86 18 4 a5 200 47 150 | 1,02 18 7 5,6 200 100s | 330 1,8 0,65 20 50 4.8 200 100 330 | o7 + 20 50 39 20 2202} 680 33 0,36 24 56 4.6 200 m0 6| 680 |} 039 , 24 i 58 4.6 t 250 47} 150 1,2 iis 23 37,5 | 7,0 250 47 iso | 145 23 9) 42 256 wo =| 330 1S 0,86 26 $45 | 3,9 250 100 330 | 10 26 SI} 26 250 220 =| 680 2,7 0,48 28 66,5 |} 34 250 220 680 | 0,56 28 | 27 | 300 7 | 150 | 1,0 155; 26 40 5,0 300 47 io | 25 33 4a OT 300 100 330 12 iat 30 s7 27 300 1900 330 | 1.29 5 30 sa} 20 300 220 | 680 22 | 063 36 72 26 300 20 eso | 0,74 36 66 | 22 ) i 350 47 i150 0.82 1,98 33 42,5 | 44 350 47 iso | 250: 33 44 | 27 350 190 | 330 1,0 1,4 36 6 2.2 350 100 a0 | 162 | 36 56 | 18 350 220 680 1,5 0,85 37 75,5 16 350 220 680 | 0.88 ' 37 67} LT 400 47 | 1s0 0,68 | 2,48 7 44 3,6 400 47 150; 34 Top 45 2,5 400 Woo} 30 0,82 i72 38 3 17 400 | 100 330 | 1,98 38 58 16 400 220 sso | 12 1,02 38 76,5 Ml 400 220 680 1,09 38 68 | 14 i t t \ Fig.4 Phase Uy inverter - Phase + faverter 50nF 4 Une , MSR ||P b * y | Fig. 3 Fig. 4 s - . i 4 ' : Up Re | tat Uae | M A | Us | Ul. | la Ry | Rgt | RQlT i Vans wok ' | i ' ' ' ~ \ iw Vo | #2 | mA | Vv | viv % voi | mA kQ | ma {| MQ) V | vv i om aso} 12 | 10a | 35 58 5.5 250 65 | \ 6a ol ot | 2 28 18 3so | (0,82 | L7 45 62 35 350 | 1,2 a2 ois | ons! 38 27 18 a Chelmer Valve 738-177 electronic tube aenneme STS BRIEF DESCRIPTION: This 1s a miniature 9-pin(B9A) power pentode EL84 used typically in the output stage of audio frequency amplifiers, Maximum anode dissipation 14 12 watts & with 2 tubes, push-pull (class AB1) maximum-signal power output i8 17 watts. - : 1 Ur | lf Ua | Ug | Un | ta | tee s ni | Ry | RolRatad] Po | Myint | Pas | Pe cl. voja v|y v mA mA Pmav [kal a | ea | wt y p%| Ww IW (stat 250 | 250} 7,3 48 5,5 113 | 38 250} 250 | 7.3 [48--49,2)5.5+11.6] 113 | 38) 135] 5.2 6 47 | 10 A 250} 250 | 7,2 \4e<-50,5|/5.S+11 | 01,3 [38] 135] 4.5 6 46 {10 250 | 250 | 8,4 |26+36,8)4,1+14,6] 10 40} 200} 7 561 55 [ 10 250 | 2to0 | 6,4 |36-36,5/3,9+8. | 104 | 40) 160) 7 4.7 | 3.28 } lo AB 250 | 250 62-75 | 715 130 | (8) " 8 3 6.3 | 0,76 300 | 300 72-92 | B+22 190} (8) 17 | 10 4 4 a | 250] 250] t6 for7s paris (8) ul 8 13 300 | 300 | 14,7 |{S+92 }1,6+22 (8) 17 | 10 4 A . 2 at} 250 | | 9 {34436 - | 270} 3.5 Lost ep} 9 ! As 250, 40-+-43,4| ' 270 | (10) 3.4] 83 | 25 Fig. 1f| 300} 48+S2 i | wo} (roy | $2] 10 | 25 L 300 | 300 | 100 maximum tye 5 mA; Ugg = 1OOV H(gegi = "0 278 Fig! po At, ~ en or Oe KG, Cor | Ca | Cova | Soils oF | pF | pF pr : i oe | 6.5 | 0,8 0,25 60 6 4 t (mA) . wy 40|10 Ugly 7250 4 =73V F2k2 208 BV BY 400 Ua(v) $09 ' t Ur ty | Ubja Ug Ubiga Rgs Uge Ug fa tga $ Rj Ry Ry Po Ugirs h .} Lo ct ode. wee oe eee fee ee pene ele ee eee arf --.|--- y 'A, ! Vv v Vv as Vv Vv mA i mA mAlV ' RQ oO a) Ww v % FL34 ( A 265 | 250 265 | 2000 as | 14,5 | 7o+73 10+15 9 18 3 s | 93 | 10 2 A 265 289 265 0 26S 13,5 100+ 105 14,9+29 iF] is 2 it 8,7 Ww AB 430 {000 425 125+130 10+ 10,2 Fie. 2 470 6.6 20 16 0,8 AB 430 1000 425 125140 10-515 s- 470 | 66 | 37 | 26 13 f = AB 378 315 375 470 324 150-2190 23-45 Fig. 3 30 |.3,4 | as | 21 5 4 TYPICAL B aso 325 350 470 327 | 72 7o+190 | 9.5450 38 | 36 | 22.7 | 6 = CUARATTENISTICS 8 375 350 375 470 352 | 32 To-+240 | 9,5-+50 Fie. 4 28 | 4 | 27 | 5 38 63 | 45 ty 8 400 | 375 400 | 1000 350 | 38 604200 | 8,8+50 * 4 45 | 27 6 4 B 425 400 425 | 1000 375 | 38 60+240 | 8,8+50 34 1 55 | a7 5 Fig.t A+, 8 475 450 | 373 750 338 | 36 60-4204 B+50 s sa | 258 | 6 3 a KO 8 500 a5 400 750 363 | ~36 60+250 8=-50 4 7o | 25,8 | 5 < a Fig. $ SH 7 [ 8 750 | 725 378 750 347 | 39 50-+ 168 6+38 " 9 | 234 | 6 c : B goo | 775 400 | 750 372. | 39 50+ 182 +38, " 100 | 244 | 5 crs A 375 348 _ _ _ - 704-73,5 _ i 1 370 | 3 6 | 19 | 8 AB 400 | 370 | _ 130-+142 te mo | 5 16,5| 22 3 . 900 425 maximum (Sp = 150 mA; Pg 25 Wi Pog BOWS wi gsigi) = Ib; \ . Rg, = 0,7 MQ; Urjy = 100 V K+G3 Cg | Sa | Corsa Cours | Cis & 6 Upree le pF | pF | pF pF pF A im Iq _A (A) (% = = , 15.4 | 8.4 | 1! | t 10 ! Me ey pf F F A ti tt CAPACITANCES 4 re 0 oo. ao Iya a 4 6 a 10 PCW Iq Usp {mA) Falyae - . er e/ 1 Upa=360V 1.U,=250V;Ugg=250V; 400+--+ =4v Uss = OV Ugs= OY 7) 2.UL= 350V; Ug =375V; \ 7 ~By Ug3= OV 300 A j= 3.Ug = 400 V;Uga=425V; _ Ug3 =0V 12V, 93 I -4a7qT a 200 Lh 4 =16V ---In r\ wee eee y UX - ony) | 700 } APs -qTT ~24y) C7 + st ew $s E! 0 0 200 300 400 600 UV, a cVe Chelmer Valve - electronic tube P73 hig. 2 Ulra-linear Stage teL34 | ABY Ld 100 yp uy ew . a 430V 470 Uge 3 4q25V ond f 470 Uye 82 425 Uy { 430 or 1000 100 e223 so 4 aaa Ag" AB u,=400V R = 2200 Uys _ A1lp Ups ie Uq=350 iggheadiney th Ia | age 4e875(4700) 2 4700 20 s b= 13082 LL (mA) & + iA 30 4150 s a ae J a 10 40 Lege Le 0 5 0 % 20 25 30RW le Ugys A I, 4 Vj i a ot 200 ayy] wT / Ug =375V u R, =3702 Chelmer Valve electronic tube Iy ra oe Vat Us =375V Byer A702 Aint 50 Upp =22V h i 7} AA eo 15 1100 A Ty P 2/3