DASP-2002 Digital Audio SignalProcessor
not just for the copybit
Materials
Gerber file
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Component list
R1,R16,R18 = 75Ohm
R2 = 470Ohm
R3,R13 = 4Ohm 7
R4,R10 = 4-way 10kOhm SIL array
R5,R12 = 10kOhm
R6...R9 = 22Ohm
R11 = 8-way 10kOhm SIL array
R14 = 8kOhm 2
R15,R17 = 270Ohm
R19 = 4-way 47kOhm SIL array
R20 = 4kOhm 7
R21,R22 = 1kOhm
Capacitors:
C1,C2 = 10nF ceramic, lead pitch 5mm
C3 = 68nF
C4 = 100nF ceramic, lead pitch 5mm
C11,C13,C17-C22 = 100nF ceramic
C5,C8 = 10µ F 63V radial
C6,C9 = 47nF ceramic, lead pitch 5mm
C7 = 100µ F 25V radial
C10 = 47µ F 25V radial
C12 = 22µ F 40V radial
C14,C15 = 47nF
C16 = 100pF
C23 = 220µ F 25V radial
Inductors:
L1,l2,L3 = 47µ H
Semiconductors:
D1-D5 = BAT85
T1 = BS170
IC1 = CS8412-CP Crystal/Cirrus Logic (RS Components)
IC2 = CS8402A-CP Crystal/Cirrus Logic (RS Components)
IC3 = TORX173 (Toshiba)
IC4 = TOTX173 (Toshiba)
IC5 = 74HC74IC6 = 74HC590
IC7 = EPROM 27C256, programmed, order code 020091-21
IC8 = 74HC32
IC9 = 74HC86
Miscellaneous:
JP1,JP2 = 3-way pinheader with jumper
K1,K3,K4 = cinch (RCA) socket, PCB mount (e.g., T-709G from Monarch/Monacor)
K2 = 16-way boxheader with 4 jumpers
S1,S2,S4 = 4-way DIP-switch
S3 = 8-way DIP-switch
Tr1 = primary 20 turns 0.5 mm ECW, secondary 2 x 2 turns on Ferroxcube core TN13/7,5/5-3E25
PCB, order code 020091-1
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