SiGe, High-Linearity, 2300MHz to 4000MHz
Upconversion/Downconversion Mixer with LO Buffer
5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER MODE,
f RF = 3100MHz to 3900MHz, LOW-SIDE LO INJECTION) (continued)
( Typical Application Circuit with tuning elements outlined in Table 1 , V CC = 4.75V to 5.25V, RF and LO ports are driven from 50 I
sources, P LO = -3dBm to +3dBm, P RF = 0dBm, f RF = 3100MHz to 3900MHz, f LO = 2800MHz to 3600MHz, f IF = 300MHz, f RF > f LO ,
T C = -40 N C to +85 N C. Typical values are at V CC = 5.0V, P RF = 0dBm, P LO = 0dBm, f RF = 3500MHz, f LO = 3200MHz, f IF = 300MHz,
T C = +25 N C. All parameters are guaranteed by design, unless otherwise noted.) (Note 6)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
f SPUR = f LO +
100MHz,
P RF = -10dBm
(Notes 7, 10)
82
89
3RF - 3LO Spurious Rejection
3x3
T C = +25 N C
f SPUR = f LO +
100MHz
P RF = 0dBm (Notes 7, 8)
P RF = -10dBm
(Notes 7, 10)
P RF = 0dBm (Notes 7, 8)
62
81
61
69
89
69
dBc
RF Input Return Loss
LO Input Return Loss
IF Output Impedance
RL RF
RL LO
Z IF
LO on and IF terminated into a matched
impedance
RF and IF terminated into a matched
impedance
Nominal differential impedance at the IC’s
IF outputs
16
14
50
dB
dB
I
RF terminated into 50 I , LO driven by a
IF Output Return Loss
RL IF
50 I source, IF transformed to 50 I using
external components shown in the Typical
16
dB
Application Circuit
RF-to-IF Isolation
LO Leakage at RF Port
2LO Leakage at RF Port
LO Leakage at IF Port
f RF = 3500MHz, P LO = +3dBm (Note 8)
f LO = 2500MHz to 4000MHz, P LO = +3dBm
(Notes 7, 8)
P LO = +3dBm
P LO = +3dBm (Note 8)
33
42
-31
-35
-28
dB
dBm
dBm
dBm
4
______________________________________________________________________________________
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