Datasheet
MAX19996A
SiGe, High-Linearity, 2000MHz to 3900MHz
Downconversion Mixer with LO Buffer
_______________________________________________________________________________________ 5
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Small-Signal Conversion Gain G
C
8.3 dB
Gain Variation vs. Frequency ΔG
C
f
RF
= 2300MHz to 2900MHz, any 100MHz
band
0.15 dB
Conversion Gain Temperature
Coefficient
TC
CG
T
C
= -40°C to +85°C -0.012 dB/°C
Single Sideband Noise Figure NF
SSB
No blockers present 9.6 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
(Note 9) 7.75 dBm
Third-Order Input Intercept Point IIP3
f
RF1
= 2600MHz, f
RF2
= 2601MHz,
P
RF1
= P
RF2
= -5dBm
19.7 dBm
IIP3 Variation with T
C
f
RF1
= 2600MHz, f
RF2
= 2601MHz,
P
RF1
= P
RF2
= -5dBm,
T
C
= -40°C to +85°C
±0.5 dB
P
RF
= -10dBm 64
2LO-2RF Spur Rejection 2 x 2 f
SPUR
= f
LO
- 150MHz
P
RF
= -5dBm 59
dBc
P
RF
= -10dBm 74
3LO-3RF Spur Rejection 3 x 3 f
SPUR
= f
LO
- 100MHz
P
RF
= -5dBm 64
dBc
RF Input Return Loss RL
RF
LO on and IF terminated into a matched
impedance
17.5 dB
LO Input Return Loss RL
LO
RF and IF terminated into a matched
impedance
19.5 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
= 2300MHz to 2900MHz, P
LO
= +3dBm 38 dB
LO Leakage at RF Port f
LO
= 2600MHz to 3200MHz, P
LO
= +3dBm -30 dBm
2LO Leakage at RF Port f
LO
= 2600MHz to 3200MHz, P
LO
= +3dBm -31 dBm
LO Leakage at IF Port f
LO
= 2600MHz to 3200MHz, P
LO
= +3dBm -34 dBm
3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS—f
RF
= 2300MHz TO 2900MHz,
HIGH-SIDE LO INJECTION
(
Typical Application Circuit
with tuning elements outlined in Table 1, RF and LO ports are driven from 50Ω sources. Typical values
are for T
C
= +25°C, V
CC
= 3.3V, P
LO
= 0dBm, f
RF
= 2600MHz, f
LO
= 2900MHz, f
IF
= 300MHz, unless otherwise noted.) (Note 6)