XR-2206_08 Datasheet, PDF (8/16 Pages) Exar Corporation – Monolithic Function Generator

XR-2206
3
2
1
0
-1
-2
-3
-50
R=1MW
R=200KW
R=10KW
R=2KW
R=1KW
-25 0 25
C=0.01mF
R=2KW
R=10KW
R=200KW
R=1MW
R=1KW
ÁÁ 50 75 100 125
Ambient Temperature (C°)
I_C
I_T
Pin 7
Rc
or 8
Sweep
Input
+
- ^VC
I_B
+
R
3V
-
12
Figure 9. Frequency Drift versus
Temperature.
Figure 10. Circuit Connection for Frequency Sweep.
V_CC
Rev. 1.04
1mF
2M R₁
1
5
C
6
9
7
1K ⁸
R
4
16
VCO
Mult.
And
15
S₁ Closed For Sinewave
Sine
14
Shaper
13 ^S1
200
Current
Switches
+1
2
11
10 1 2
+
1mF
3
R₃
50K
XR-2206
10K
+
V_CC
10mF
Triangle Or
Sine Wave Output
Square Wave
Output
V_CC
5.1K
5.1K
Figure 11. Circuit tor Sine Wave Generation without External Adjustment.
(See Figure 3 for Choice of R₃)
8