di Marchioni Davide & Daniele s.n.c.Mod. 300 p 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

FuseFuse + Vcc

R4T2

C13 D6D9R11Tr5

Rl1

C17

R1

C2D1 C3S1

C15

D8C1C18

D2

RTXR10

C14D7 R9

L2

R12

R2Tr1

S2C4

Rl2D3 D4Tr2

C16

D5 R3 S3R13

C10

C5

Tr4C7 C8

R8

R6R7Tr3 T1C6

C9

C12L1

R5C11

ANT

Mod 300 p 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 VC 14 = 10 nF 50 VC 15 = 150 pF 50 V N750C 16 = 470 pF 50 V N750C 17 = 56 pF 50 V N750C 18 = 33 pF 50 V N750R 1 = 2,2 KΩ ¼WR 2 = 12 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 2WR 9 = 100 Ω ¼WR 10 = 12 KΩ ¼WR 11 = 2,2 KΩ ¼WR 12 = 100 Ω ¼WR 13 = 1,0 KΩ ¼WD 1 = D 2 = D 7 = D 8 = D 9 = 1N4148D 3 = D 4 = 1N4004D 5 = LEDD 6 = 1N5400Tr 1 = Tr 2 = BC 547Tr 3 = Tr 4 = SD 1447Tr 5 = BF 199L 1 = VK 200 2 wiresL 2 = 10 µΗRl 1 = Relè 12 V 3022Rl 2 = 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