Hig h -Fre q u e n c y Wa ve fo rm Ge n e ra t o r
____________________________Typ ic a l Op e ra t in g Ch a ra c t e ris t ic s (c o n t in u e d )
(Circuit of Figure 1, V+ = DV+ = 5V, V- = -5V, V
= V
= V
= V
= 0V, R = 1kΩ, C = 20pF, T = +25°C, unless
PDO L L
A
DADJ
FADJ
PDI
otherwise noted.)
SQUARE-WAVE OUTPUT (20MHz)
FREQUENCY MODULATION USING FADJ
MAX038
0.5V
0
-0.5V
I
= 400µA
TOP: OUTPUT
BOTTOM: FADJ
IN
C = 20pF
F
FREQUENCY MODULATION USING I
FREQUENCY MODULATION USING I
IN
IN
TOP: OUTPUT
TOP: OUTPUT
BOTTOM: I
BOTTOM: I
IN
IN
PULSE-WIDTH MODULATION USING DADJ
+1V
0V
-1V
+2V
0V
-2V
TOP: SQUARE-WAVE OUT, 2V
P-P
BOTTOM: V
-2V to +2.3V
DADJ,
6
_______________________________________________________________________________________
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
