400MHz to 2.5GHz, Low-Noise,
SiGe Downconverter Mixers
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2680/1/2 EV Kit, VCC = SHDN = +3.0V, TA = +25°C, unless otherwise noted. RFIN and IFOUT matched to 50Ω. PLO = -5dBm,
PRFIN = -25dBm.)
PARAMETER
CONDITIONS
MIN TYP MAX UNITS
MAX2681
RF Frequency Range
(Notes 1, 2)
400
2500 MHz
LO Frequency Range
(Notes 1, 2)
400
2500 MHz
IF Frequency Range
(Notes 1, 2)
10
500 MHz
fRF = 400MHz, fLO = 445MHz, fIF = 45MHz
11.0
Conversion Power Gain
fRF = 900MHz, fLO = 970MHz, fIF = 70MHz
fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz (Note 1)
14.2
dB
6.7
8.4
9.4
fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz
7.7
Gain Variation Over Temperature
fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz,
TA = TMIN to TMAX (Note 1)
1.7
2.3
dB
Input Third-Order Intercept Point
(Note 3)
fRF = 900MHz, 901MHz, fLO = 970MHz, fIF = 70MHz
fRF = 1950MHz, 1951MHz, fLO = 1880MHz, fIF = 70MHz
fRF = 2450MHz, 2451MHz, fLO = 2210MHz, fIF = 240MHz
-6.1
+0.5
+1.0
dBm
fRF = 900MHz, fLO = 970MHz, fIF = 70MHz
7.0
Noise Figure (Single Sideband) fRF = 1950MHz, fLO = 2020MHz, fIF = 70MHz
11.1
dB
LO Input VSWR
fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz
50Ω source impedance
12.7
1.5:1
LO Leakage at IFOUT Port
fLO = 1880MHz
-23
dBm
LO Leakage at RFIN Port
fLO = 1880MHz
-27
dBm
IF/2 Spurious Response
fRF = 1915MHz, fLO = 1880MHz, fIF = 70MHz (Note 4)
-65
dBm
MAX2682
RF Frequency Range
(Notes 1, 2)
400
2500 MHz
LO Frequency Range
(Notes 1, 2)
400
2500 MHz
IF Frequency Range
(Notes 1, 2)
10
500 MHz
fRF = 400MHz, fLO = 445MHz, fIF = 45MHz
13.4
Conversion Power Gain
fRF = 900MHz, fLO = 970MHz, fIF = 70MHz
fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz (Note 1)
14.7
dB
8.7
10.4 11.7
fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz
7.9
Gain Variation Over Temperature
fRF = 1950MHz, fLO = 1880MHz, fIF = 70MHz,
TA = TMIN to TMAX (Note 1)
2.1
3.2
dB
Input Third-Order Intercept Point
(Note 3)
fRF = 900MHz, 901MHz, fLO = 970MHz, fIF = 70MHz
fRF = 1950MHz, 1951MHz, fLO = 1880MHz, fIF = 70MHz
fRF = 2450MHz, 2451MHz, fLO = 2210MHz, fIF = 240MHz
-1.8
+4.4
+3.2
dBm
Noise Figure (Single Sideband)
fRF = 900MHz, fLO = 970MHz, fIF = 70MHz
fRF = 1950MHz, fLO = 2020MHz, fIF = 70MHz
fRF = 2450MHz, fLO = 2210MHz, fIF = 240MHz
6.5
10.2
dB
13.4
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