MAX2042A
SiGe High-Linearity, 1600MHz to 3900MHz
Upconversion/Downconversion Mixer with LO Buffer
5.0V Supply, RF = 2000MHz to 2900MHz, HIGH-SIDE LO INJECTION AC ELECTRICAL
CHARACTERISTICS (DOWNCONVERTER OPERATION) (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 = -6dBm to +3dBm, P RF = 0dBm, f RF = 2000MHz to 2900MHz, f LO = 2300MHz to 3200MHz, f IF = 300MHz,
f RF < f LO , T C = -40 N C to +85 N C. Typical values are for T C = +25 N C, V CC = 5.0V, P LO = 0dBm, f RF = 2600MHz, f LO = 2900MHz,
f IF = 300MHz.) (Note 7)
PARAMETER
Input 1dB Compression Point
Third-Order Input Intercept
Point
SYMBOL
IP 1dB
IIP3
CONDITIONS
(Note 10)
f RF1 - f RF2 = 1MHz, P RF1 = P RF2 = 0dBm
(Note 8)
MIN
TYP
21.7
33
MAX
UNITS
dBm
dBm
IIP3 Variation with T C
f RF1 - f RF2 = 1MHz, P RF1 = P RF2 = 0dBm,
T C = -40 N C to +85 N C
Q 0.3
dB
2LO - 2RF Spur Rejection
3LO - 3RF Spur Rejection
2x2
3x3
f RF = 2600MHz,
f LO = 2900MHz,
f SPUR = 2750MHz
f RF = 2600MHz,
f LO = 2900MHz,
f SPUR = 2800MHz
P RF = -10dBm
P RF = 0dBm
P RF = -10dBm
P RF = 0dBm
72
62
91
71
dBc
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
20
19
50
dB
dB
I
RF terminated into 50 I , LO driven by 50 I
IF Return Loss
RL IF
source, IF transformed to single-ended 50 I
using external components shown in the
17.5
dB
Typical Application Circuit
RF-to-IF Isolation
LO Leakage at RF Port
2LO Leakage at RF Port
LO Leakage at IF Port
P LO = +3dBm (Note 8)
P LO = +3dBm (Note 8)
P LO = +3dBm
P LO = +3dBm (Note 8)
38
-29
-30.1
-31
dB
dBm
dBm
dBm
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