dac0808.dxf

单片机实现低频函数信号发生器。能够产生四种波形。

40
0.005000
41
0.005000
0
VERTEX
8
0
10
-2.799000
20
0.946000
0
VERTEX
8
0
10
-2.799000
20
0.919000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.005000
41
0.005000
0
VERTEX
8
0
10
-2.799000
20
0.946000
0
VERTEX
8
0
10
-2.793000
20
0.939000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.005000
41
0.005000
0
VERTEX
8
0
10
-2.799000
20
0.946000
0
VERTEX
8
0
10
-2.806000
20
0.939000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.005000
41
0.005000
0
VERTEX
8
0
10
-2.793000
20
0.926000
0
VERTEX
8
0
10
-2.799000
20
0.919000
0
VERTEX
8
0
10
-2.806000
20
0.926000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.359000
20
0.733000
0
VERTEX
8
0
10
-2.306000
20
0.733000
0
VERTEX
8
0
10
-2.306000
20
0.933000
0
VERTEX
8
0
10
-2.359000
20
0.933000
0
VERTEX
8
0
10
-2.359000
20
0.733000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.333000
20
0.999000
0
VERTEX
8
0
10
-2.333000
20
0.933000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.333000
20
0.666000
0
VERTEX
8
0
10
-2.333000
20
0.733000
0
SEQEND
8
0
0
TEXT
8
0
10
-2.267000
20
0.847000
40
0.079000
41
0.670886
1
R1
0
TEXT
8
0
10
-2.267000
20
0.777000
40
0.053000
41
1.000000
1
100
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.646000
20
1.133000
0
VERTEX
8
0
10
-2.646000
20
0.999000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.686000
20
1.133000
0
VERTEX
8
0
10
-2.686000
20
0.999000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.686000
20
1.066000
0
VERTEX
8
0
10
-2.733000
20
1.066000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.646000
20
1.066000
0
VERTEX
8
0
10
-2.599000
20
1.066000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.533000
20
1.066000
0
VERTEX
8
0
10
-2.599000
20
1.066000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.799000
20
1.066000
0
VERTEX
8
0
10
-2.733000
20
1.066000
0
SEQEND
8
0
0
TEXT
8
0
10
-2.738000
20
1.147000
40
0.079000
41
0.670886
1
C3
0
TEXT
8
0
10
-2.738000
20
0.933000
40
0.053000
41
1.000000
1
30pF
0
CIRCLE
8
16384
10
-2.333000
20
1.066000
40
0.013000
0
CIRCLE
8
16384
10
-2.466000
20
1.066000
40
0.013000
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.466000
20
0.666000
0
VERTEX
8
0
10
-2.533000
20
0.666000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.533000
20
0.733000
0
VERTEX
8
0
10
-2.533000
20
0.599000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.566000
20
0.699000
0
VERTEX
8
0
10
-2.566000
20
0.633000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.599000
20
0.673000
0
VERTEX
8
0
10
-2.599000
20
0.659000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-3.066000
20
1.033000
0
VERTEX
8
0
10
-3.133000
20
1.066000
0
VERTEX
8
0
10
-3.066000
20
1.099000
0
VERTEX
8
0
10
-3.066000
20
1.033000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-2.999000
20
1.066000
0
VERTEX
8
0
10
-3.133000
20
1.066000
0
SEQEND
8
0
0
CIRCLE
8
16384
10
-2.933000
20
1.066000
40
0.013000
0
CIRCLE
8
16384
10
-2.933000
20
0.999000
40
0.013000
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.133000
20
1.333000
0
VERTEX
8
0
10
0.266000
20
1.333000
0
VERTEX
8
0
10
0.266000
20
2.133000
0
VERTEX
8
0
10
-0.133000
20
2.133000
0
VERTEX
8
0
10
-0.133000
20
1.333000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
2.066000
0
VERTEX
8
0
10
-0.133000
20
2.066000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
2.039000
40
0.053000
41
1.000000
1
D0
0
TEXT
8
0
10
-0.253000
20
2.072000
40
0.053000
41
1.000000
1
3
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
2.066000
0
VERTEX
8
0
10
0.266000
20
2.066000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
2.039000
40
0.053000
41
1.000000
1
Q0
0
TEXT
8
0
10
0.333000
20
2.072000
40
0.053000
41
1.000000
1
2
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.999000
0
VERTEX
8
0
10
-0.133000
20
1.999000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.972000
40
0.053000
41
1.000000
1
D1
0
TEXT
8
0
10
-0.253000
20
2.005000
40
0.053000
41
1.000000
1
4
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.999000
0
VERTEX
8
0
10
0.266000
20
1.999000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.972000
40
0.053000
41
1.000000
1
Q1
0
TEXT
8
0
10
0.333000
20
2.005000
40
0.053000
41
1.000000
1
5
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.933000
0
VERTEX
8
0
10
-0.133000
20
1.933000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.905000
40
0.053000
41
1.000000
1
D2
0
TEXT
8
0
10
-0.253000
20
1.939000
40
0.053000
41
1.000000
1
7
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.933000
0
VERTEX
8
0
10
0.266000
20
1.933000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.905000
40
0.053000
41
1.000000
1
Q2
0
TEXT
8
0
10
0.333000
20
1.939000
40
0.053000
41
1.000000
1
6
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.866000
0
VERTEX
8
0
10
-0.133000
20
1.866000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.839000
40
0.053000
41
1.000000
1
D3
0
TEXT
8
0
10
-0.253000
20
1.872000
40
0.053000
41
1.000000
1
8
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.866000
0
VERTEX
8
0
10
0.266000
20
1.866000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.839000
40
0.053000
41
1.000000
1
Q3
0
TEXT
8
0
10
0.333000
20
1.872000
40
0.053000
41
1.000000
1
9
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.799000
0
VERTEX
8
0
10
-0.133000
20
1.799000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.772000
40
0.053000
41
1.000000
1
D4
0
TEXT
8
0
10
-0.306000
20
1.805000
40
0.053000
41
1.000000
1
13
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.799000
0
VERTEX
8
0
10
0.266000
20
1.799000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.772000
40
0.053000
41
1.000000
1
Q4
0
TEXT
8
0
10
0.333000
20
1.805000
40
0.053000
41
1.000000
1
12
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.733000
0
VERTEX
8
0
10
-0.133000
20
1.733000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.705000
40
0.053000
41
1.000000
1
D5
0
TEXT
8
0
10
-0.306000
20
1.739000
40
0.053000
41
1.000000
1
14
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.733000
0
VERTEX
8
0
10
0.266000
20
1.733000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.705000
40
0.053000
41
1.000000
1
Q5
0
TEXT
8
0
10
0.333000
20
1.739000
40
0.053000
41
1.000000
1
15
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.666000
0
VERTEX
8
0
10
-0.133000
20
1.666000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.639000
40
0.053000
41
1.000000
1
D6
0
TEXT
8
0
10
-0.306000
20
1.672000
40
0.053000
41
1.000000
1
17
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.666000
0
VERTEX
8
0
10
0.266000
20
1.666000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.639000
40
0.053000
41
1.000000
1
Q6
0
TEXT
8
0
10
0.333000
20
1.672000
40
0.053000
41
1.000000
1
16
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.599000
0
VERTEX
8
0
10
-0.133000
20
1.599000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.572000
40
0.053000
41
1.000000
1
D7
0
TEXT
8
0
10
-0.306000
20
1.605000
40
0.053000
41
1.000000
1
18
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.399000
20
1.599000
0
VERTEX
8
0
10
0.266000
20
1.599000
0
SEQEND
8
0
0
TEXT
8
0
10
0.126000
20
1.572000
40
0.053000
41
1.000000
1
Q7
0
TEXT
8
0
10
0.333000
20
1.605000
40
0.053000
41
1.000000
1
19
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.466000
0
VERTEX
8
0
10
-0.133000
20
1.466000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.439000
40
0.053000
41
1.000000
1
OE
0
TEXT
8
0
10
-0.253000
20
1.472000
40
0.053000
41
1.000000
1
1
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.266000
20
1.399000
0
VERTEX
8
0
10
-0.133000
20
1.399000
0
SEQEND
8
0
0
TEXT
8
0
10
-0.099000
20
1.372000
40
0.053000
41
1.000000
1
LE
0
TEXT
8
0
10
-0.306000
20
1.405000
40
0.053000
41
1.000000
1
11
0
TEXT
8
0
10
-0.138000
20
2.147000
40
0.079000
41
0.670886
1
U2
0
TEXT
8
0
10
-0.138000
20
1.267000
40
0.053000
41
1.000000
1
74LS373
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.333000
20
1.399000
0
VERTEX
8
0
10
-0.333000
20
1.333000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.399000
20
1.333000
0
VERTEX
8
0
10
-0.266000
20
1.333000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.366000
20
1.299000
0
VERTEX
8
0
10
-0.299000
20
1.299000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
-0.339000
20
1.266000
0
VERTEX
8
0
10
-0.326000
20
1.266000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.999000
20
1.533000
0
VERTEX
8
0
10
1.533000
20
1.533000
0
VERTEX
8
0
10
1.533000
20
2.133000
0
VERTEX
8
0
10
0.999000
20
2.133000
0
VERTEX
8
0
10
0.999000
20
1.533000
0
SEQEND
8
0
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.866000
20
1.999000
0
VERTEX
8
0
10
0.999000
20
1.999000
0
SEQEND
8
0
0
TEXT
8
0
10
1.033000
20
1.972000
40
0.053000
41
1.000000
1
A2
0
TEXT
8
0
10
0.879000
20
2.005000
40
0.053000
41
1.000000
1
6
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
1.666000
20
2.066000
0
VERTEX
8
0
10
1.533000
20
2.066000
0
SEQEND
8
0
0
TEXT
8
0
10
1.233000
20
2.039000
40
0.053000
41
1.000000
1
VREF+
0
TEXT
8
0
10
1.599000
20
2.072000
40
0.053000
41
1.000000
1
14
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
1.666000
20
1.599000
0
VERTEX
8
0
10
1.533000
20
1.599000
0
SEQEND
8
0
0
TEXT
8
0
10
1.339000
20
1.572000
40
0.053000
41
1.000000
1
VEE
0
TEXT
8
0
10
1.599000
20
1.605000
40
0.053000
41
1.000000
1
3
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
0.866000
20
2.066000
0
VERTEX
8
0
10
0.999000
20
2.066000
0
SEQEND
8
0
0
TEXT
8
0
10
1.033000
20
2.039000
40
0.053000
41
1.000000
1
A1
0
TEXT
8
0
10
0.879000
20
2.072000
40
0.053000
41
1.000000
1
5
0
POLYLINE
8
0
66
1
40
0.010000
41
0.010000
0
VERTEX
8
0
10
1.666000
20
1.799000
0
VERTEX
8
0
10
1.533000
20
1.799000
0