XR-2206
3
C=0.01mF
2
R=1MW
R=2KW
R=10KW
R=200KW
1
R=200KW
0
I
I
C
T
R=10KW
R=2KW
Pin 7
or 8
Rc
R=1MW
Sweep
Input
-1
+
R=1KW
I
V
B
C
-
+
-2
-3
3V
-
R
R=1KW
12
-50 -25
0
25
50
75
125
100
Ambient Temperature (C°)
Figure 9. Frequency Drift versus
Temperature.
Figure 10. Circuit Connection for Frequency Sweep.
V
CC
1mF
4
1
5
16
S Closed For Sinewave
1
Mult.
And
Sine
15
14
C
VCO
6
Shaper
S
1
200
13
9
7
Current
Switches
Triangle Or
2
8
+1
Sine Wave Output
R
2M
1K
1
11
Square Wave
Output
XR-2206
10 1 2
3
R
R
50K
3
10K
+
1mF
+
V
CC
10mF
V
CC
5.1K
5.1K
Figure 11. Circuit tor Sine Wave Generation without External Adjustment.
(See Figure 3 for Choice of R )
3
Rev. 1.03
8
EXAR [ EXAR CORPORATION ]
