Note I have not revised this since Revision A and there are a few changes see the schematic.
Bill of Materials for STM Electronics
Student STM Revised: Thursday, November 04, 1999
Revision: A
Bill Of Materials November 4,1999 13:52:55
Item Reference Part Digi-Key part # unit price Quantity total cost
1
C1 10pF P4012A-ND
$0.08
1
$0.08
2
C2,C3 100pF P4925-ND
$0.28
2
$0.56
3
C4,C5,C6,C7,C8 0.1uF P4924-ND
$0.32
5
$1.60
4
connector for scanner Male HD-DB15 Connector T815M-ND
$2.13
1
$2.13
5
J2,J3,J4 BNC ARFX1064-ND
$1.62
3
$4.86
6
J5,J6 9V Battery Connector BS61-HD-ND
$0.33
2
$0.66
7
J7 Female HD-DB15 Connector T815F-ND
$2.45
1
$2.45
8
R1,R2,R3,R11,R12 100K 100KXTR-ND
$0.11
5
$0.54
9
R4 2.00M 2.00MXTR-ND
$0.11
1
$0.11
10
R5 2.05K 2.05KXTR-ND
$0.11
1
$0.11
11
R6,R7,R8,R9 10.0K 10.0KXTR-ND
$0.11
4
$0.43
12
R10,R18 4.99K 4.99KXTR-ND
$0.11
2
$0.22
13
R13,R19 220 Ohms 220XTR-ND
$0.11
2
$0.22
14
R14,R15 49.9 Ohms 49.9XTR-ND
$0.11
2
$0.22
15
R16,R17 1.0 Ohm 1.0EBK-ND
$0.06
2
$0.11
16
TP1,TP2,TP3,TP4,TP5,TP6 TP
$0.00
6
$0.00
17
U1 LF411N LF411CN-ND
$1.68
1
$1.68
18
U2 TL074 TL074CN
$0.90
1
$0.90
19
VR1,VR2 10K CT2205-ND
$2.60
2
$5.20
20
VR4 20K CT2206-ND
$2.60
1
$2.60
21
VR3,VR5 100K CT2208-ND
$2.60
2
$5.20
22
Unimorph disk buzzzer EFB-RD24C411 P9924-ND
$1.80
1
$1.80
23
Prototyping board Vector Proto board V1005-ND
$7.68
1
$7.68
49
$39.35

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