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1700MHz to 3000MHz High-Linearity,
Low LO Leakage Base-Station Rx/Tx Mixer
AC ELECTRICAL CHARACTERISTICS (Downconverter Operation) (continued)
(MAX2043 Typical Application Circuit , V CC = +4.75V to +5.25V, RF and LO ports are driven from 50 ? sources, P LO = -3dBm to
+3dBm, P RF = 0dBm, f RF = 1700MHz to 3000MHz, f LO = 1900MHz to 3000MHz, f IF = 200MHz, f RF < f LO , T C = -40 ° C to +85 ° C,
unless otherwise noted. Typical values are at V CC = +5V, P RF = 0dBm, P LO = 0dBm, f RF = 1900MHz, f LO = 2100MHz, f IF = 200MHz,
T C = +25 ° C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Conversion Loss Variation Over
Temperature
T C = -40 ° C to +85 ° C
T C = +25 ° C, DCS 1800:
f RF = 1710MHz to 1785MHz
0.0075
7.8
dB/ ° C
Noise Figure, Single Sideband
NF
T C = +25 ° C, PCS 1900:
f RF = 1850MHz to 1910MHz
7.8
dB
T C = +25 ° C, UMTS 2100:
f RF = 1920MHz to 1980MHz
7.8
Noise Figure Under Blocking
Condition (Note 3)
P BLOCKER = +5dBm at 2100MHz, f RF =
2000MHz, f LO = 2190MHz,
P LO = 0dBm
19
dB
Input Compression Point (Note 4)
3rd-Order Input Intercept Point
3rd-Order Input Intercept Point
Variation
IP1dB
IIP3
High-side injection
High-side injection, f RF1 = 1900MHz,
f RF2 = 1901MHz, 0dBm per tone at RF port
T C = -40 ° C to +85 ° C
+23
31
±0.75
dBm
dBm
dB
f RF = 1900MHz,
f LO = 2100MHz,
2LO - 2RF Spur
f SPUR = 2000MHz,
63
dBc
P RF = 0dBm,
P LO = 0dBm
f RF = 1900MHz,
f LO = 2100MHz,
3LO - 3RF Spur
f SPUR = 2033.333MHz,
67
dBc
P RF = 0dBm,
P LO = 0dBm
LO Drive (Note 5)
LO1-to-LO2 Port Isolation
LO Leakage at RF Port
LO Switching Time
LO Leakage at IF Port
RF-to-IF Isolation
RF Input Return Loss
LO Input Return Loss
IF Return Loss
P LO
P LO1 = P LO2 = +3dBm,
f IF = 200MHz (Note 6)
P LO = +3dBm, f LO = 2260MHz
50% of LOSEL to IF settled within 2
degrees
P LO = +3dBm
P LO = +3dBm
LO on and IF terminated
RF and IF terminated
RF and LO terminated in 50 ? , f IF = 200MHz
(Note 7)
-3
0
43
-52
50
-35
38
17
14
20
+6
-38
dBm
dB
dBm
ns
dBm
dB
dB
dB
dB
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3
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