Datasheet

LTC6420-20
5
642020fb
FREQUENCY (MHz)
0
PHASE (DEGREE)
0
–100
–200
–300
–400
GROUP DELAY (ns)
1.2
0.9
0.6
0.3
0
200 400 600 800
1000
642020 G05
PHASE
GROUP DELAY
TEST CIRCUIT B
FREQUENCY (MHz)
10 100 1000 300
0
GAIN (dB)
25
20
15
10
5
0
642020 G04
TEST CIRCUIT B
Frequency Response
S21 Phase and Group Delay
vs Frequency
Input and Output Refl ection and
Reverse Isolation vs Frequency
FREQUENCY (MHz)
10
S PARAMETERS (dB)
0
–10
–20
–30
–40
–50
–60
–70
–80
100 1000 300
0
642020 G06
S11
S22
S12
TEST CIRCUIT B
FREQUENCY (MHz)
1
IMPEDANCE MAGNITUDE (Ω)
250
200
150
100
50
0
PHASE (DEGREES)
50
30
10
–10
–30
–50
10 100 1000
642020 G07
Z
IN
Z
OUT
Z
IN
Z
OUT
PHASE
IMPEDANCE MAGNITUDE
Input and Output Impedance
vs Frequency
TYPICAL PERFORMANCE CHARACTERISTICS
Channel to Channel Gain Match
vs Frequency
Channel to Channel Group Delay
Match vs Frequency
Channel to Channel Phase Match
vs Frequency
FREQUENCY (MHz)
10 100 1000 2000
GAIN MATCH (dB)
0.5
0.4
0.0
0.2
0.1
0.3
–0.1
–0.4
–0.3
–0.2
–0.5
642020 G01
FREQUENCY (MHz)
10 100 1000 2000
GROUP DELAY MATCH (nsec)
0.5
0.4
0.0
0.2
0.1
0.3
–0.1
–0.4
–0.3
–0.2
–0.5
642020 G02
FREQUENCY (MHz)
10 100 1000
PHASE MATCH (deg)
0.5
0.4
0.0
0.2
0.1
0.3
–0.1
–0.4
–0.3
–0.2
–0.5
642020 G03