Owner manual

MAX19996
SiGe High-Linearity, 2000MHz to 3000MHz
Downconversion Mixer with LO Buffer
4 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
IF Output Impedance Z
IF
Nominal differential impedance at the IC’s
IF outputs
200 Ω
f
IF
= 450MHz,
L1 = L2 = 120nH
25
f
IF
= 350MHz,
L1 = L2 = 270nH
25
IF Output Return Loss
RF terminated into 50Ω,
LO driven by 50Ω
source, IF transformed
to 50Ω using external
components shown in
the Typical Application
Circuit. See the IF Port
Return Loss vs. IF
Frequency graph in the
Typical Operating
Characteristics for
performance vs.
inductor values
f
IF
= 300MHz,
L1 = L2 = 470nH
25
dB
Minimum RF-to-IF Isolation
f
RF
= 2300MHz to 2700MHz, P
LO
= +3dBm
(Note 5)
34 dB
Maximum LO Leakage at RF Port f
LO
= 1900MHz to 2500MHz, P
LO
= +3dBm -22.7 dBm
M axi m um 2LO Leakag e at RF P or tf
LO
= 1900MHz to 2500MHz, P
LO
= +3dBm -21 dBm
Maximum LO Leakage at IF Port
f
LO
= 1900MHz to 2500MHz, P
LO
= +3dBm
(Note 5)
-27.5 dBm
+5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)
( Typical Application Circuit , V
CC
= +4.75V to +5.25V, RF and LO ports are driven from 50Ω sources, P
LO
= -3dBm to +3dBm,
P
RF
= -5dBm, f
RF
= 2300MHz to 2800MHz, f
LO
= 2000MHz to 2500MHz, f
IF
= 300MHz, f
RF
> f
LO
, T
C
= -40°C to +85°C. Typical val-
ues are at V
CC
= +5.0V, P
RF
= -5dBm, P
LO
= 0dBm, f
RF
= 2500MHz, f
LO
= 2200MHz, f
IF
= 300MHz, T
C
= +25°C, all parameters are
guaranteed by design and characterization, unless otherwise noted.) (Note 6)
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS
( Typical Application Circuit , RF and LO ports are driven from 50Ω sources, Typical values are at V
CC
= +3.3V, P
RF
= -5dBm,
P
LO
= 0dBm, f
RF
= 2500MHz, f
LO
= 2200MHz, f
IF
= 300MHz, T
C
= +25°C, unless otherwise noted.) (Note 6)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Power Gain G
C
8.6 dB
Conversion Power Gain Variation
vs. Frequency
∆G
C
f
RF
= 2300MHz to 2800MHz for any
100MHz band
0.1 dB
Gain Variation Over Temperature TC
G
T
C
= -40°C to +85°C -0.012 dB/°C
Input 1dB Compression Point IP
1dB
(Note 8) 7.5 dBm
Third-Order Input Intercept Point IIP3
f
RF1
= 2500MHz, f
RF2
= 2501MHz, f
LO
=
2200MHz, P
RF1
= P
RF2
= -5dBm
19.8 dBm
Third-Order Input Intercept
Variation Over Temperature
f
RF1
= 2500M H z, f
RF2
= 2501M H z, f
LO
=
2200M H z, P
RF1
= P
RF2
= - 5d Bm , T
C
= + 25°C
±0.5 dB
Noise Figure NF
SSB
S i ng l e si d eb and , no b l ocker s p r esent ( N ote 9) 9.6 dB
Noise Figure Temperature
Coefficient
TC
NF
Single sideband, no blockers present,
T
C
= -40°C to +85°C (Note 9)
0.017 dB/°C
P
RF
= -10dBm 65.9
2RF-2LO Spur Rejection 2 x 2
P
RF
= -5dBm 60.9
dBc