di Marchioni Davide & Daniele s.n.c.Mod. 300 linear amplifierSchematic diagram

Via IV Novembre 215/5 Casella postale N° 33 40045 Ponte della Venturina (BO) ITALYTel +39 0534 60460 Fax +39 0534 60463E-MAIL ufftec@rmitaly.comhttp://www.rmitaly.comCostruzioni ElettronicheVersion 2.00

date 04-08-98 Page 1 di 2

RTXFuseFuse

L1ANT

+ Vcc

C6Tr2Rl1

C3C4

C5

C7 C8C9 C10

C11C12

C13

D3 D4

D5

R1 R2 R3 R4 R5

R6R7

R8

S1 S2

S3Tr1

Tr3

T1T2D1D2

C1

C2

Mod 300 2.00

date 04-08-98 Page 2 di 2

List of componentsC1 = 8,2 pF 50 V N750C 2 = 4,7 µF 16 VC 3 = 33 µF 16 VC 4 = 150 pF 50 V N750C 5 = 47 nF 50 VC 6 = 180 pF 500 V N750C 7 = 47 nF 50 VC 8 = 180 pF 500 V N750C 9 = 2 x 220 +270 pF 500 V N750C 10 = 47 pF 500 V N750C 11 = 100 nF 50 VC 12 = 100 nF 50 VC 13 = 470 µF 16 VR 1 = 2,2 KΩ ¼WR 2 = 1,0 KΩ ¼WR 3 = 180 Ω 2WR 4 = 27 Ω 2WR 5 = 68 Ω 2WR 6 = 10 Ω ½WR 7 = 10 Ω ½WR 8 = 68 Ω 2WD 1 = D 2 = 1N4148D 3 = 1N4004D 4 = LEDD 5 = 1N5400Tr 1 = BC 547Tr 2 = Tr 3 = SD 1447L 1 = VK 200 2 wiresRl 1 = Relè 12 V 3022Fuse = 2x12AS 1 = Switch 3A (AM SSB)S 2 = Switch 3A (ON OFF)S 3 = Switch 3A (HI LOW)T 1 = Output transformerT 2 = Input transformer