Datasheet

®
REF200
11
FIGURE 13. Precision Duty-Cycle Modulator.
–15V
100µA
0.1µF
Siliconix
J109
50kΩ
I
OUT
For current source,
invert circuitry and
use P-Channel FET.
–15V
100µA
0.1µF
Siliconix
J109
50kΩ
I
OUT
For current source,
invert circuitry and
use P-Channel FET.
50kΩ
0.1µF
100µA
FIGURE 14. Low Noise Current Sink. FIGURE 15. Low Noise Current Sink with Compliance
Below Ground.
100kΩ
1/4
OPA404
60kΩ
100µA + Bridge
(See Figure 12)
V = +10V: 100% Duty CycleV = +10V: 100% Duty Cycle
V = 0V: 50% Duty Cycle
V = –10V: 0% Duty Cycle
IN
IN
IN
12Vp-p
Duty Cycle Out
C
V
IN
–10V ≤ V ≤ +10V
IN
100µA + Bridge
(See Figure 12)
1/4
OPA404
1/4
OPA404