LTC6400-14
TYPICAL PERFORMANCE CHARACTERISTICS
S21 Phase and Group Delay vs
Frequency
Frequency Response
Gain 0.1dB Flatness
0
–50
0.4
0.2
0.0
20
18
16
14
12
10
8
1
0.9
TEST CIRCUIT B
TEST CIRCUIT B
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
–100
–150
–200
0
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
–1
6
4
PHASE
GROUP DELAY
2
TEST CIRCUIT B
0
0
200
400
600
800
1000
10
100
1000 3000
10
100
1000 3000
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
640014 G03
640014 G01
640014 G02
Input and Output Reflection and
Reverse Isolation vs Frequency
Input and Output Impedance vs
Frequency
PSRR and CMRR vs Frequency
250
225
200
175
150
125
100
75
100
80
80
70
60
50
40
30
20
10
0
0
–10
–20
–30
–40
–50
–60
–70
–80
Z
IN
60
PSRR
CMRR
40
Z
20
OUT
0
–20
–40
–60
–80
–100
Z
IN
PHASE
IMPEDANCE MAGNITUDE
50
S11
S22
S11
25
Z
OUT
0
10
100
1000
1
10
100
1000
10
100
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
640014 G05
640014 G06
640014 G04
Noise Figure and Input Referred
Noise Voltage vs Frequency
Small Signal Transient Response
Large Signal Transient Response
15
14
13
12
11
10
9
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
1.35
2.50
–OUT
+OUT
–OUT
+OUT
2.00
1.50
1.00
0.50
0.00
1.30
1.25
1.20
1.15
EN
NOISE FIGURE
8
7
6
R
= 87.5Ω PER OUTPUT
L
R
= 87.5Ω PER OUTPUT
L
TEST CIRCUIT B
TEST CIRCUIT B
5
10
100
1000
0
2
4
6
8
10
0
2
4
6
8
10
TIME (ns)
TIME (ns)
FREQUENCY (MHz)
640014 G07
640014 G08
640014 G09
640014fb
7