Datasheet

LT1720/LT1721
21
17201fc
APPLICATIONS INFORMATION
Figure 16. 10ns Triple Overlap Generator
V
CC
–
+
U1A
1/4 LT1721
–
+
U1B
1/4 LT1721
–
+
U1D
1/4 LT1721
–
+
U1C
1/4 LT1721
681Ω
681Ω
1.37k
V
CC
909Ω
215Ω
V
CC
INPUT
OUTPUTS
V
REF
100pF
453Ω
1k
750Ω
V
CC
10ns 10ns
10ns
17201 F16
10ns
4.22k
Figure 17. Fast Waveform Sampler Using the LT1720 for Timing-Skew Compensation
–
+
5V
2.2k
2.2k
INPUT
p100mV FULL SCALE
1k
LT1227
909Ω
100Ω
OUTPUT
p1V FULL SCALE
5V
AC BALANCE
3pF
3.6k1.5k
0.1μF
C
IN
C
IN
2k
2k
10pF
SKEW
COMP
2.5k
1.1k
1.1k
1.1k
1.1k
820Ω
820Ω
MRF501 MRF501
LM3045
11
9
6
8
DC BALANCE
500Ω
51Ω
51Ω
10 7
680Ω
–5V
17201 F17
13
= 1N5711
= CA3039 DIODE ARRAY
(SUBSTRATE TO –5V)
–
+
1/2 LT1720
–
+
1/2 LT1720
SAMPLE
COMMAND