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MAX9981 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX9981
Description  825MHz to 915MHz, Dual SiGe High-Linearity Active Mixer
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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825MHz to 915MHz, Dual SiGe High-Linearity
Active Mixer
_______________________________________________________________________________________
3
Note 1: Guaranteed by design and characterization.
Note 2: All limits reflect losses of external components. Output measurements taken at IF OUT of Typical Application Circuit.
Note 3: Production tested.
Note 4: Two tones at 1MHz spacing, -5dBm per tone at RF port.
Note 5: Measured at IF port at IF frequency. fLO1 and fLO2 are offset by 1MHz.
Note 6: IF return loss can be optimized by external matching components.
AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit, VCC = +4.75V to +5.25V, PLO = -5dBm to +5dBm, fRF = 825MHz to 915MHz, fLO = 725MHz to 1085MHz,
TA = -40°C to +85°C, unless otherwise noted. Typical values are at VCC = +5.0V, PRF = -5dBm, PLO = 0dBm, fRF = 870MHz,
fLO = 770MHz, TA = +25°C, unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input 1dB Compression Point
P1dB
Low-side injection
13.6
dBm
Input Third-Order Intercept Point
IIP3
PLO = -5dBm to +5dBm (Notes 3, 4)
27.3
dBm
Main
53.3
2 RF - 2 LO Spur Rejection
2
× 2
fRF = 915MHz, fLO = 815MHz,
fSPUR = 865MHz, PRF = -5dBm
Diversity
43.2
dBc
3 RF - 3 LO Spur Rejection
3
× 3
fRF = 915MHz, fLO = 815MHz,
fSPUR = 848.3MHz, PRF = -5dBm
79.7
dBc
Maximum LO Leakage at RF Port
PLO = -5dBm to +5dBm,
fLO = 725MHz to 1100MHz
-42
dBm
Maximum LO Leakage at IF Port
PLO = -5dBm to +5dBm,
fLO = 725MHz to 1100MHz
-30.6
dBm
Minimum RF to IF Isolation
PLO = -5dBm to +5dBm,
fRF = 825MHz to 915MHz
18
dB
LO1 to LO2 Isolation
fRF = 825MHz to 915MHz, PLO1 = PLO2 =
+5dBm, fIF = 100MHz (Note 5)
52
dB
PRFMAIN = -5dBm, RFDIV
terminated with 50
Ω.
Measured power at IFDIV
relative to IFMAIN.
39.5
Minimum Channel Isolation
fRF = 825MHz
to 915MHz,
fLO = 725MHz
to 1085MHz
PRFDIV = -5dBm, RFMAIN
terminated with 50
Ω.
Measured power at
IFMAIN relative to IFDIV.
42
dBc
LO Switching Time
50% of LOSEL to IF settled within 2°
250
ns
RF Return Loss
25
dB
LO port selected
19
LO Return Loss
LO port unselected
14.3
dB
IF Return Loss
RF and LO terminated into 50
Ω,
fIF = 100MHz (Note 6)
15
dB




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