Datasheet

LTC6421-20
6
642120fb
Harmonic Distortion vs Frequency
TYPICAL PERFORMANCE CHARACTERISTICS
Third Order Intermodulation
Distortion vs Frequency
Equivalent Output Third Order
Intercept vs Frequency
Channel Separation
vs Frequency
Overdrive Transient Response
TIME (ns)
0
OUTPUT VOLTAGE (V)
2.5
0.5
1.0
2.0
1.5
0
50 100 150
200
642120 G10
–OUT
+OUT
R
L
= 87.5Ω PER OUTPUT
0 50 100 150 200
–40
–50
–60
–80
–90
–70
–120
–110
–100
FREQUENCY (MHz)
THIRD ORDER IMD (dBc)
642120 G12
DIFFERENTIAL INPUT
V
OUT
= 2V
P-P
COMPOSITE
DRIVING LTC2235
0 50 100 150 200
FREQUENCY (MHz)
642120 G13
OUTPUT IP3 (dBm)
70
60
50
40
20
10
30
0
DIFFERENTIAL INPUT
V
OUT
= 2V
P-P
COMPOSITE
(NOTE 7)
DRIVING LTC2285
FREQUENCY (MHz)
1
40
CHANNEL SEPARATION (dB)
60
80
10 100 1000
642120 G14
20
40
120
100
(NOTE 8)
FREQUENCY (MHz)
0
–100
HARMONIC DISTROTION (dBc)
–90
–80
–70
–60
–50
–40
50 100 150 200
HD2
HD3
642120 G11
DIFFERENTIAL INPUT
V
OUT
= 2V
P-P
DRIVING LTC2285