NJG1709KC1
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TYPICAL CHARACTERISTICS 2 (LNA+MIXER, f=1.9GHz, fLO=1660MHz, with test circuit 2)
LOCAL IN to IF OUT Isolation
vs. LO Frequency
-5
-10
Condition
RF IN
RF OUT
VLNA=2.7V
VMIX=VLO=2.7V
PLO=-15dBm
M.N
M.N
-15
50W
M.N.
M.N.
-20
-25
-30
-35
Port1: LOCAL IN
Port2: IF OUT
MIXER IN
IF OUT
Port 2
M.N.
LOCAL IN
Port 1
RF OUT – MIXER IN
Coaxial Cable
1640
1650
1660
1670
1680
1690
LO Frequency (MHz)
Z0=50 ohm, L=260 mm
LOCAL IN to RF IN Isolation
vs. LO Frequency
-20
-25
-30
-35
-40
-45
-50
Port 2
RF IN
Condition
RF OUT
VLNA=2.7V
M.N
M.N
VMIX=VLO=2.7V
PLO=-15dBm
Port1: LOCAL IN
Port2: RF IN
IF OUT
M.N.
M.N.
MIXER IN
50W
M.N.
LOCAL IN
Port 1
1640
1650
1660
1670
1680
1690
RF OUT – MIXER IN
Coaxial Cable
LO Frequency (MHz)
Z0=50 ohm, L=260 mm
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