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MAX9982 Datasheet(PDF) 3 Page - Maxim Integrated Products

Part No. MAX9982
Description  825MHz to 915MHz, 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, SiGe High-Linearity
Active Mixer
_______________________________________________________________________________________
3
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 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
Conversion Loss from LO to IF
Inject PIN = -20dBm at fLO + 100MHz into
LO port; measure 100MHz at IF port as
POUT; no RF signal at RF port
47
dB
Cellular band, fRF = 825MHz to 850MHz
11.3
Noise Figure
NF
GSM band, fRF = 880MHz to 915MHz
11.8
dB
Low-side injection
12.9
Input 1dB Compression Point
P1dB
High-side injection
14.5
dBm
Input Third-Order Intercept Point
IIP3
VCC = +5.0V, PRF = 0dBm, PLO = -5dBm,
TA = +25°C (Notes 3, 4)
26.8
dBm
Input Third-Order Intercept Point
Variation Over Temperature
∆IIP3
TA = -40°C to +85°C
±0.5
dB
PLO = +5dBm
65
2 RF - 2 LO Spur Rejection
2
× 2
fRF = 915,
fLO = 815MHz,
fSPUR = 865MHz,
PRF = -5dBm
PLO = 0dBm
57
dBc
PLO = +5dBm
89
3 RF - 3 LO Spur Rejection
3
× 3
fRF = 915,
fLO = 815MHz,
fSPUR = 848.3MHz,
PRF = -5dBm
PLO = 0dBm
89
dBc
Maximum LO Leakage at RF Port
PLO = -5dBm to +5dBm,
fLO = 725MHz to 1085MHz
-40
dBm
Maximum LO Leakage at IF Port
PLO = -5dBm to +5dBm,
fLO = 725MHz to 1085MHz
-28
dBm
Minimum RF to IF Isolation
PLO = -5dBm to +5dBm,
fRF = 825MHz to 915MHz
11
dB
LO1 to LO2 Isolation
fRF = 825MHz to 915MHz, PLO1 = PLO2 =
+5dBm, fIF = 100MHz (Note 5)
51
dB
LO Switching Time
50% of LOSEL to IF settled within 2°
250
ns
RF Return Loss
19
dB
LO port active
20
LO Return Loss
LO port inactive
12
dB
IF Return Loss
RF and LO terminated (Note 6)
15
dB
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, 0dBm each at RF port.
Note 5: Measured at IF port at IF frequency. LO1 and LO2 are offset by 1MHz.
Note 6: IF return loss can be optimized by external matching components.




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