Datasheet

MAX19996A
SiGe, High-Linearity, 2000MHz to 3900MHz
Downconversion Mixer with LO Buffer
6 _______________________________________________________________________________________
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Gain G
C
f
RF
= 2300MHz to 2900MHz, T
C
= +25°C
(Note 7)
8.2 8.9 9.5 dB
Gain Variation vs. Frequency ΔG
C
f
RF
= 2300MHz to 2900MHz, any 100MHz
band
0.1 dB
Conversion Gain Temperature
Coefficient
TC
CG
T
C
= -40°C to +85°C -0.012 dB/°C
No blockers present 9.5 12.5
Single Sideband Noise Figure NF
SSB
f
RF
= 2600MHz, f
IF
= 300MHz,
P
LO
= 0dBm, V
CC
= +5.0V, T
C
= +25°C,
no blockers present
9.5 10.5
dB
Noise Figure Temperature
Coefficient
TC
NF
Single sideband, no blockers present,
T
C
= -40°C to +85°C
0.018 dB/°C
Input 1dB Compression Point IP
1dB
T
C
= +25°C (Note 9) 9.5 10.7 dBm
Third-Order Input Intercept Point IIP3
f
RF1
- f
RF2
= 1MHz, P
RF1
= P
RF2
= -5dBm,
T
C
= +25°C (Note 7)
22 24.05 dBm
IIP3 Variation with T
C
f
RF
= 2300MHz to 2900MHz, P
RF1
= P
RF2
=
-5dBm, T
C
= -40°C to +85°C
±0.5 dB
P
RF
= -10dBm 63 68
2RF-2LO Spur Rejection 2 x 2 f
SPUR
= f
LO
+ 150MHz
P
RF
= -5dBm 58 63
dBc
P
RF
= -10dBm 79 84
3RF-3LO Spur Rejection 3 x 3 f
SPUR
= f
LO
+ 100MHz
P
RF
= -5dBm 69 74
dBc
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
19 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
18 dB
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 RL
IF
RF terminated into 50Ω, LO
driven by 50Ω source, IF
transformed to 50Ω using
external components shown
in the Typical Application
Circuit; see the Typical
Operating Characteristics
for performance vs. inductor
values
f
IF
= 300MHz,
L1 = L2 =
390nH
25
dB
RF-to-IF Isolation f
RF
= 2600MHz, P
LO
= +3dBm 29 36 dB
LO Leakage at RF Port f
LO
= 1800MHz to 2900MHz, P
LO
= +3dBm -28 -20 dBm
2LO Leakage at RF Port f
LO
= 1800MHz to 2900MHz, P
LO
= +3dBm -29 -19 dBm
LO Leakage at IF Port f
LO
= 1800MHz to 2900MHz, P
LO
= +3dBm -24 dBm
5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS—f
RF
= 2300MHz TO 2900MHz,
LOW-SIDE LO INJECTION
( Typical Application Circuit with tuning elements outlined in Table 1, 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 2900MHz, f
IF
= 300MHz, f
LO
= 2000MHz to 2600MHz, f
RF
> f
LO
,
T
C
= -40°C to +85°C. Typical values are for T
C
= +25°C, V
CC
= 5.0V, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2300MHz, f
IF
= 300MHz, all
parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 6)