Datasheet

SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
_______________________________________________________________________________________ 5
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION) (continued)
(Typical Application Circuit with tuning elements outlined in Table 1, RF and LO ports are driven from 50I sources. Typical values
are for T
C
= +25NC, V
CC
= +3.3V, P
RF
= 0dBm, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2300MHz, f
IF
= 300MHz, unless otherwise
noted.) (Note 7)
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(UPCONVERTER OPERATION)
(Typical Application Circuit with tuning elements outlined in Table 2, V
CC
= +4.75V to +5.25V, RF and LO ports are driven from 50I
sources, P
LO
= -3dBm to +3dBm, P
IF
= 0dBm, f
RF
= 2300MHz to 2900MHz, f
IF
=200MHz, f
LO
= 2100MHz to 2700MHz, f
RF
> f
LO
,
T
C
= -40NC to +85NC. Typical values are for T
C
= +25NC, V
CC
= +5.0V, P
IF
= 0dBm, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2400MHz,
f
IF
= 200MHz. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
15 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
12 dB
IF Output Impedance Z
IF
Nominal differential impedance at the IC’s
IF outputs
50
I
IF Output Return Loss RL
IF
RF terminated into 50I, LO driven by
50I source, IF transformed to 50I using
external components shown in the Typical
Application Circuit
18 dB
Minimum RF-to-IF Isolation f
RF
= 2300MHz to 2900MHz, P
LO
= +3dBm 36 dB
Maximum LO Leakage at RF Port f
LO
= 1800MHz to 2800MHz, P
LO
= +3dBm -24.5 dBm
Maximum 2LO Leakage at RF Port f
LO
= 1800MHz to 2800MHz, P
LO
= +3dBm -24 dBm
Maximum LO Leakage at IF Port f
LO
= 1800MHz to 2800MHz, P
LO
= +3dBm -20 dBm
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Loss L
C
(Note 8) 6.8 dB
Loss Variation vs. Frequency
DL
C
f
RF
= 2300MHz to 2960MHz, any 100MHz
band
0.2 dB
Conversion Loss Temperature
Coefficient
TC
CL
T
C
= -40NC to +85NC
0.007
dB/NC
Input 1dB Compression Point IP
1dB
(Note 10) 22.7 dBm
Third-Order Input Intercept Point IIP3
f
IF1
= 200MHz, f
IF2
= 201MHz,
P
IF1
= P
IF2
= 0dBm/tone, f
LO
= 2400MHz,
P
LO
= 0dBm, T
C
= +25NC (Note 8)
30 32.4 dBm
IIP3 Variation with T
C
f
IF1
= 200MHz, f
IF2
= 201MHz,
P
IF1
= P
IF2
= 0dBm/tone, f
LO
= 2400MHz,
P
LO
= 0dBm, T
C
= -40NC to +85NC
Q0.5
dB
LO Q 2IF Spur Rejection
1 x 2
LO - 2IF 70
dBc
LO + 2IF 67
LO Q 3IF Spur Rejection
1 x 3
LO - 3IF 82
dBc
LO + 3IF 77
Output Noise Floor P
OUT
= 0dBm (Note 9) -163 dBm/Hz