Datasheet

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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
50I 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
= -40NC to +85NC. Typical values are for T
C
= +25NC, V
CC
= 5.0V, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2900MHz,
f
IF
= 300MHz.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input 1dB Compression Point IP
1dB
(Note 10) 21.7 dBm
Third-Order Input Intercept
Point
IIP3
f
RF1
- f
RF2
= 1MHz, P
RF1
= P
RF2
= 0dBm
(Note 8)
33 dBm
IIP3 Variation with T
C
f
RF1
- f
RF2
= 1MHz, P
RF1
= P
RF2
= 0dBm,
T
C
= -40NC to +85NC
Q0.3 dB
2LO - 2RF Spur Rejection 2 x 2
f
RF
= 2600MHz,
f
LO
= 2900MHz,
f
SPUR
= 2750MHz
P
RF
= -10dBm 72
dBc
P
RF
= 0dBm 62
3LO - 3RF Spur Rejection
3 x 3
f
RF
= 2600MHz,
f
LO
= 2900MHz,
f
SPUR
= 2800MHz
P
RF
= -10dBm 91
dBc
P
RF
= 0dBm 71
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
20 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
19 dB
IF Output Impedance
Z
IF
Nominal differential impedance at the IC’s IF
outputs
50
I
IF Return Loss RL
IF
RF terminated into 50I, LO driven by 50I
source, IF transformed to single-ended 50I
using external components shown in the
Typical Application Circuit
17.5 dB
RF-to-IF Isolation P
LO
= +3dBm (Note 8) 38 dB
LO Leakage at RF Port P
LO
= +3dBm (Note 8) -29 dBm
2LO Leakage at RF Port P
LO
= +3dBm -30.1 dBm
LO Leakage at IF Port P
LO
= +3dBm (Note 8) -31 dBm