Datasheet
MAX19993
Dual, SiGe, High-Linearity, 1200MHz to 1700MHz
Downconversion Mixer with LO Buffer/Switch
3
RECOMMENDED AC OPERATING CONDITIONS
5.0V SUPPLY, LOW-SIDE INJECTION AC ELECTRICAL CHARACTERISTICS
(Typical Application Circuit (see Table 1). R1 = R4 = 681I, R2 = R5 = 1.82kI, V
CC
= 4.75V to 5.25V, RF and LO ports are driven from
50I sources, P
LO
= -6dBm to +3dBm, P
RF
= -5dBm, f
RF
= 1200MHz to 1700MHz, f
LO
= 1060MHz to 1560MHz, f
IF
= 140MHz, f
RF
> f
LO
,
T
C
= -40NC to +85NC. Typical values are at V
CC
= +5.0V, P
RF
= -5dBm, P
LO
= 0dBm, f
RF
= 1450MHz, f
LO
= 1310MHz, f
IF
= 140MHz,
T
C
= +25NC. All parameters are guaranteed by design and characterization, unless otherwise noted.) (Note 7)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RF Frequency f
RF
(Note 6) 1200 1700 MHz
LO Frequency f
LO
(Note 6) 1000 1560 MHz
IF Frequency f
IF
Using Mini-Circuits TC4-1W-17 4:1 trans-
former as defined in the Typical Application
Circuit, IF matching components affect the
IF frequency range (Note 6)
100 500
MHz
Using Mini-Circuits TC4-1W-7A 4:1 trans-
former as defined in the Typical Application
Circuit, IF matching components affect the
IF frequency range (Note 6)
50 250
LO Drive Level P
LO
(Note 6) -6 +3 dBm
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Conversion Gain (Note 5) G
C
4.5 6.4 7.4
dBT
C
= +25NC 5.1 6.4 7.0
T
C
= +25NC, f
RF
= 1427MHz to 1463MHz 5.2 6.4 6.9
Conversion Gain Flatness DG
C
f
RF
= 1427MHz to 1463MHz Q0.03 dB
Gain Variation Over Temperature TC
CG
T
C
= -40NC to +85NC -0.009 dB/NC
Input Compression Point IP
1dB
f
RF
= 1450MHz (Notes 5, 8) 12.9 15.4 dBm
Input Third-Order Intercept Point IIP3
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone 24.0 27.0
dBm
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone,
f
RF
= 1427MHz to 1463MHz, T
C
= +25NC
(Note 5)
24.8 27.0
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone,
f
RF
= 1427MHz to 1463MHz (Note 5)
24.4 27.0
Input Third-Order Intercept Point
Variation Over Temperature
TC
IIP3
f
RF1
- f
RF2
= 1MHz, P
RF
= -5dBm per tone,
T
C
= -40NC to +85NC
Q0.5 dBm
Noise Figure (Note 9) NF
SSB
Single sideband, no blockers present 9.8 12.7
dB
f
RF
= 1427MHz to 1463MHz, T
C
= +25NC,
P
LO
= 0dBm, single sideband, no blockers
present
9.8 11.0
f
RF
= 1427MHz to 1463MHz, P
LO
= 0dBm,
single sideband, no blockers present
9.8 12.0