Datasheet
MAX19996A
SiGe, High-Linearity, 2000MHz to 3900MHz
Downconversion Mixer with LO Buffer
_______________________________________________________________________________________ 7
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Gain G
C
T
C
= +25°C (Note 7) 7.5 8.0 8.5 dB
f
RF
= 3450MHz to 3750MHz, any 100MHz
band
0.15
Gain Variation vs. Frequency ΔG
C
f
RF
= 3450MHz to 3750MHz, any 200MHz
band
0.3
dB
Conversion Gain Temperature
Coefficient
TC
CG
T
C
= -40°C to +85°C -0.012 dB/°C
No blockers present 10.5 13.5
Single Sideband Noise Figure NF
SSB
f
R F
= 3500M H z, f
I F
= 300M H z, P
L O
= 0d Bm ,
V
C C
= + 5.0V , T
C
= + 25°C , no b l ocker s p r esent
10.5 11.6
dB
Noise Figure Temperature
Coefficient
TC
NF
f
RF
= 3100M H z to 3900M H z, si ng l e si d eb and ,
no b l ocker s p r esent, T
C
= - 40°C to + 85°C
0.018 dB/°C
Noise Figure Under Blocking NF
B
+8dBm blocker tone applied to RF port,
f
RF
= 3500MHz, f
LO
= 3200MHz,
f
BLOCKER
= 3750MHz, P
LO
= 0dBm,
V
CC
= +5.0V, T
C
= +25°C (Note 8)
18.7 21 dB
Input 1dB Compression Point IP
1dB
f
RF
= 3500MHz (Note 9) 10 12 dBm
Third-Order Input Intercept Point IIP3
f
RF1
- f
RF2
= 1MHz, P
RF1
= P
RF2
= -5dBm
(Note 7)
23 25 dBm
IIP3 Variation with T
C
f
RF
= 3100MHz to 3900MHz,
f
IF
= 300MHz, f
RF1
- f
RF2
= 1MHz,
P
RF1
= P
RF2
= -5dBm, T
C
= -40°C to +85°C
±0.3 dB
P
RF
= -10dBm 60 69
2RF-2LO Spur Rejection 2 x 2 f
SPUR
= f
LO
+ 150MHz
P
RF
= -5dBm 55 64
dBc
P
RF
= -10dBm 78 86
3RF-3LO Spur Rejection 3 x 3 f
SPUR
= f
LO
+ 100MHz
P
RF
= -5dBm 68 76
dBc
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
20 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
16.5 dB
IF Output Impedance Z
IF
Nominal differential impedance at the IC’s
IF outputs
200 Ω
5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS—f
RF
= 3100MHz TO 3900MHz,
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
= 3100MHz to 3900MHz, f
IF
= 300MHz, f
LO
= 2800MHz to 3600MHz, 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
= 3500MHz, f
LO
= 3200MHz, f
IF
= 300MHz.
All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 6)