Datasheet
MAX9995
Dual, SiGe, High-Linearity, 1700MHz to 2700MHz
Downconversion Mixer with LO Buffer/Switch
3
Maxim Integrated
AC ELECTRICAL CHARACTERISTICS—f
RF
= 1700MHz TO 2200MHz
(
Typical Application Circuit,
V
CC
= 4.75V to 5.25V, RF and LO ports are driven from 50Ω sources, P
LO
= -3dBm to +3dBm, f
RF
=
1700MHz to 2200MHz, f
LO
= 1400MHz to 2000MHz, f
IF
= 200MHz, with f
RF
> f
LO
, T
C
= -40°C to +85°C. Typical values are at V
CC
=
5.0V, P
LO
= 0dBm, f
RF
= 1900MHz, f
LO
= 1700MHz, f
IF
= 200MHz, and T
C
= +25°C, unless otherwise noted.) (Notes 6, 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX
UNIT
f
RF
= 1710MHz to 1875MHz 6
f
RF
= 1850MHz to 1910MHz 6.2
T
C
= +100°C 4.6
Conversion Gain G
C
f
RF
= 2110MHz to 2170MHz 6.1
dB
f
RF
= 1710MHz to 1875MHz ±0.5 ±1
f
RF
= 1850MHz to 1910MHz ±0.5 ±1Gain Variation from Nominal
V
CC
= 5.0V,
T
C
= +25°C,
P
LO
= 0dBm,
P
RF
= -10dBm
f
RF
= 2110MHz to 2170MHz ±0.5 ±1
dB
Gain Variation with Temperature ±0.75 dB
f
RF
= 1710MHz to 1875MHz 9.7
f
RF
= 1850MHz to 1910MHz 9.8Noise Figure NF
No blockers
present
f
RF
= 2110MHz to 2170MHz 9.9
dB
Noise Figure (with Blocker)
8dBm blocker tone applied to RF port at
2000MHz, f
RF
= 1900MHz, f
LO
= 1710MHz,
P
LO
= -3dBm
22 dB
Input 1dB Compression Point P
1dB
(Note 8) 9.5 12.6 dBm
(Notes 8, 9) 23 25.6
Input Third-Order Intercept Point IIP3
T
C
= +100°C, Note 9 26.1
dBm
P
RF
= -10dBm 66
P
RF
= -10dBm, T
C
= +100°C 73.3
P
RF
= -5dBm 61
2RF - 2LO Spur Rejection 2 x 2
f
RF
= 1900MHz,
f
LO
= 1700MHz,
f
SPUR
= 1800MHz
P
RF
= - 5d Bm , T
C
= + 100°C 68.3
dBc
P
RF
= -10dBm 70 88
P
RF
= -10dBm, T
C
= +100°C 84.5
P
RF
= -5dBm 60 78
3RF - 3LO Spur Rejection 3 x 3
f
RF
= 1900MHz,
f
LO
= 1700MHz,
f
SPUR
= 1766.7MHz
P
RF
= - 5d Bm , T
C
= + 100°C 74.5
dBc
Maximum LO Leakage at RF Port f
LO
= 1400MHz to 2000MHz -29 dBm
M axi m um 2LO Leakag e at RF P or tf
LO
= 1400MHz to 2000MHz -17 dBm
f
LO
= 1400MHz to 2000MHz -25
Maximum LO Leakage at IF Port
T
C
= +100°C -50.4
dBm
f
RF
= 1700MHz to 2200MHz, f
IF
= 200MHz 37
Minimum RF-to-IF Isolation
T
C
= +100°C 44
dB
LO1 - LO2 Isolation P
LO1
= 0dBm, P
LO2
= 0dBm (Note 10) 40 50.5 dB
40 44
Minimum Channel-to-Channel
Isolation
P
RF
= -10dBm, RFMAIN (RFDIV)
power measured at IFDIV (IFMAIN),
relative to IFMAIN (IFDIV),
all unused ports terminated at 50Ω
T
C
=
+100°C
54.7
dB
LO Switching Time 50% of LOSEL to IF settled to within 2° 50 ns