Datasheet

SiGe High-Linearity, 2000MHz to 3000MHz
Upconversion/Downconversion Mixer with LO Buffer
MAX2042
_______________________________________________________________________________________ 3
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS
(DOWNCONVERTER OPERATION)
(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
= -3dBm to +3dBm, P
RF
= 0dBm, f
RF
= 2300MHz to 2900MHz, f
IF
= 300MHz, f
LO
= 2000MHz to 2600MHz, f
RF
> f
LO
,
T
C
= -40NC to +85NC. Typical values are for T
C
= +25NC, V
CC
= +5.0V, P
RF
= 0dBm, P
LO
= 0dBm, f
RF
= 2300MHz, f
LO
= 2300MHz,
f
IF
= 300MHz. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Loss L
C
f
RF
= 2300MHz to 2900MHz, T
C
= +25NC
(Note 8)
6.7 7.2 8.1 dB
Loss Variation vs. Frequency
DL
C
f
RF
= 2305MHz to 2360MHz 0.15
dB
f
RF
= 2500MHz to 2570MHz 0.15
f
RF
= 2570MHz to 2620MHz 0.15
f
RF
= 2500MHz to 2690MHz 0.15
f
RF
= 2700MHz to 2900MHz 0.20
Conversion Loss Temperature
Coefficient
TC
CL
T
C
= -40NC to +85NC
0.0071
dB/NC
Single Sideband Noise Figure NF
SSB
No blockers present 7.3 dB
Noise Figure Temperature
Coefficient
TC
NF
f
RF
= 2300MHz to 2900MHz, single
sideband, no blockers present,
T
C
= -40NC to +85NC
0.019
dB/NC
Noise Figure Under Blocking NF
B
+8dBm blocker tone applied to RF port,
f
RF
= 2600MHz, f
LO
= 2300MHz,
f
BLOCKER
= 2795MHz, P
LO
= 0dBm,
V
CC
= 5.0V, T
C
= +25NC (Notes 5, 9)
20.8 25 dB
Input 1dB Compression Point IP
1dB
T
C
= +25NC
(Notes 5, 10)
f
RF
= 2300MHz 22.5 23.4
dBmf
RF
= 2600MHz 20.6 22.1
f
RF
= 2900MHz 17.6 20.7
Third-Order Input Intercept Point IIP3
P
RF1
= P
RF2
=
0dBm/tone,
P
LO
= 0dBm,
T
C
= +25NC
f
RF1
= 2300MHz,
f
RF2
= 2301MHz,
f
LO
= 2000MHz (Note 5)
34 36
dBm
f
RF1
= 2600MHz,
f
RF2
= 2601MHz,
f
LO
= 2300MHz (Note 8)
31 34
f
RF1
= 2900MHz,
f
RF2
= 2901MHz,
f
LO
= 2600MHz (Note 5)
28 30
IIP3 Variation with T
C
f
RF
= 2300MHz to 2900MHz,
f
RF1
- f
RF2
= 1MHz, P
RF1
= P
RF2
= 0dBm/
tone, T
C
= -40NC to +85NC
Q0.5
dB
2RF - 2LO Spur Rejection 2 x 2
f
SPUR
= f
LO
+
150MHz (Note 5)
P
RF
= -10dBm 64 70
dBc
P
RF
= 0dBm 54 60
3RF - 3LO Spur Rejection 3 x 3
f
SPUR
= f
LO
+
100MHz (Note 5)
P
RF
= -10dBm 80 92
dBc
P
RF
= 0dBm 60 72
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
17 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
15 dB