CS4121
Typical Performance Characteristics: continued
Figure 3: Output Angle in Polar Form
7V
(V
SINE+
) - (V
SINE-
)
Figure 4: Nominal Output Deviation
1.50
1.25
1.00
0.75
Deviation (°)
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
-1.25
Q
Ð7V
Angle
+7V
(V
COS+
) - (V
COS-
)
Q
= ARCTAN
[
V
SIN+
Ð V
SIN-
V
COS+
Ð V
COS-
]
-1.50
-7V
0
45
90
135
180
Theoretical Angle (°)
225
270
315
Nominal Angle vs. Ideal Angle (After calibrating at 180¡)
Note:
Temperature, voltage and nonlinearity not included.
45
40
35
30
Ideal Angle (Degrees)
25
20
Ideal Degrees
15
Nominal Degrees
10
5
0
1
5
9
13
17
21
25
29
33
37
41
45
Nominal Angle (Degrees)
Table 1:
Function Generator Output Nominal Angle vs. Ideal Angle (After calibrating at 270¡)
Ideal
Q
Degrees
Nominal
Q
Degrees
Ideal
Q
Nominal
Degrees
Q
Degrees
Ideal
Q
Nominal
Degrees
Q
Degrees
Ideal
Q
Degrees
Nominal
Q
Degrees
Ideal
Q
Nominal
Degrees
Q
Degrees
Ideal
Q
Nominal
Degrees
Q
Degrees
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
0
1.09
2.19
3.29
4.38
5.47
6.56
7.64
8.72
9.78
10.84
11.90
12.94
13.97
14.99
16.00
17.00
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
17.98
18.96
19.92
20.86
21.79
22.71
23.61
24.50
25.37
26.23
27.07
27.79
28.73
29.56
30.39
31.24
32.12
34
35
36
37
38
39
40
41
42
43
44
45
50
55
60
65
70
33.04
34.00
35.00
36.04
37.11
38.21
39.32
40.45
41.59
42.73
43.88
45.00
50.68
56.00
60.44
64.63
69.14
4
75
80
85
90
95
100
105
110
115
120
125
130
135
140
145
150
155
74.00
79.16
84.53
90.00
95.47
100.84
106.00
110.86
115.37
119.56
124.00
129.32
135.00
140.68
146.00
150.44
154.63
160
165
170
175
180
185
190
195
200
205
210
215
220
225
230
235
240
159.14
164.00
169.16
174.33
180.00
185.47
190.84
196.00
200.86
205.37
209.56
214.00
219.32
225.00
230.58
236.00
240.44
245
250
255
260
265
270
275
280
285
290
295
300
305
244.63
249.14
254.00
259.16
264.53
270.00
275.47
280.84
286.00
290.86
295.37
299.21
303.02
Note:
Temperature, voltage and nonlinearity not included.
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
