Datasheet

Typical application schematics LM2901
8/17 Doc ID 2468 Rev 7
Figure 20. Time delay generator
Figure 21. Two-decade high-frequency VCO
V
CC
0
V
(ref.)
10 kΩ
1/4
15 kΩ
200 k
Ω
3 kΩ
3 k
Ω
3 k
Ω
10 MΩ
V
O2
V
03
O1
V
51 kΩ
V
1
V
2
0.001
μ
F
V
C1
V
3
V
CC
V
C1
V
1
V
2
V
3
0
0
1
t
t
3
t
4
t
2
t
t
V
CC
t
0
t
1
V
CC
V
CC
V
C C
=+15V
1/4
LM2901
1/4
1/4
10 kΩ
10 kΩ
10 kΩ
10 kΩ
10 MΩ
10 MΩ
51 kΩ
51 kΩ
t
2
t
o
t
3
t
o
t
A
t
o
Input gating signal
LM2901
LM2901
LM2901
V
CC
V
CC
100 kΩ
3 kΩ
5.1 kΩ
/2
V
CC
/2
0.01 μF
500 pF
100 kΩ
0.1 μF
20 kΩ
50 kΩ
=+30V
+250 mV
V
control
+50 V
700 Hz f 100 kHz
o
20 kΩ
3 kΩ
1/ 4
LM2901
1/ 4
LM2901
1/ 4
LM2901
Output 1
Output 2
V
CC
V
CC
Frequency control
voltage input
Vcontrol
10 kΩ