Greska na semi, PCB je OK.
Elkosi uz DC servo cip na semi bili naopako okrenuti.
120W-LMOSFET-VAS-OITPC-sch.jpg
120W CFA lateral mosfet simple though hole
all resistor metal film 0.6W 1% if not stated differently
power supply +-50V up to +-55V
BOM:
C1 1uF polypropylene
C2 470pF C0G 5%
C3 100uF 35V
C4 100uF 35V
C5 220pF MICA 5% or C0G
C6 47pF MICA 5% or C0G
C7 220pF MICA 5% or C0G
C8 1uF polyprop
C9 22pF MICA 5% or C0G
C10 22pF MICA 5% or C0G
C11 1uF polyprop
C12 220uF 63V
C13 220uF 63V
C14 100nF polypro
C15 22uF 25V
C16 220uF 63V
C17 220uF 63V
C18 220uF 63V
C19 220uF 63V
C20 100nF polypropylene
C21 1uF polypropylene
C22 10uF 25V
C23 10uF 25V
C24 100nF
C25 1uF polypropylene
D1 12V zener
D2 1N4148
D3 1N4148
D4 12V zener
D5 3A 200V
D6 3A 200V
D7 1N4148
D8 1N4148
D9 15V zener
D10 15V zener
L1 0.5uH
M1 ECX10N20 or ECX10N20-S better matching
M2 ECX10N20 or ECX10N20-S "
M3 ECX10P20 or ECX10P20-S "
M4 ECX10P20 or ECX10P20-S "
P1 1k multiturn
Q1 BC560C
Q2 BC550C
Q3 BC550C
Q4 BC560C
Q5 2N5551
Q6 2N5401
Q7 KSA992F
Q8 KSC1845F
Q9 KSC3503 or MJE340 or MJE243 (for +-50V)
Q10 KSA1381 or MJE350 or MJE253 (for +-50V)
Q11 BC550
R0 10R
R1 220R
R2 75k
R3 10R
R4 10R
R5 10k
R6 1k
R7 6R8
R8 6R8
R9 1k
R10 10k
R11 330R
R12 330R
R13 2k7 2W metal oxide 5%
R14 680R
R15 5R6
R16 5R6
R17 22R 1W 1% metal film
R18 680R
R19 2k7 2W metal oxide 5%
R20 1k5 can be lowered down to 220R
R21 100R
R22 100R
R23 91R
R24 2k2
R25 330R
R26 91R
R27 33R
R28 22R
R29 22R
R30 33R
R31 100R
R32 330R
R33 330R
R34 270R
R35 270R
R36 0.27R 4W wirewound
R37 0.27R 4W wirewound
R38 0.27R 4W wirewound
R39 0.27R 4W wirewound
R40 6R8 2W metalfilm
R41 2R2 2W metalfilm
R42 10k
R43 1M
R44 1M
R45 560R 8W (four 560R 2W metalfilm 1%)
U1 LF411
Postano: Čet lip 20, 2019 6:43 am
