MAX2680/MAX2681/MAX2682
400MHz to 2.5GHz, Low-Noise,
SiGe Downconverter Mixers
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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,
P
RFIN
= -25dBm.)
fRF= 1950MHz, fLO= 1880MHz, fIF= 70MHz,
TA= T
MIN
to T
MAX
(Note 1)
dB1.7 2.3
(Notes 1, 2)
Gain Variation Over Temperature
fLO= 1880MHz
(Notes 1, 2)
fLO= 1880MHz
dBm
50Ω source impedance
fRF= 1950MHz, 1951MHz, fLO= 1880MHz, fIF= 70MHz
fRF= 900MHz, 901MHz, fLO= 970MHz, fIF= 70MHz
fRF= 2450MHz, fLO= 2210MHz, fIF= 240MHz
fRF= 1950MHz, fLO= 2020MHz, fIF= 70MHz
-27
fRF= 2450MHz, fLO= 2210MHz, fIF= 240MHz
(Notes 1, 2)
fRF= 400MHz, fLO= 445MHz, fIF= 45MHz
fRF= 900MHz, fLO= 970MHz, fIF= 70MHz
fRF= 900MHz, fLO= 970MHz, fIF= 70MHz
fRF= 1950MHz, fLO= 1880MHz, fIF= 70MHz (Note 1)
fRF= 2450MHz, 2451MHz, fLO= 2210MHz, fIF= 240MHz
CONDITIONS
LO Leakage at RFIN Port
dBm-23LO Leakage at IFOUT Port
fRF= 1915MHz, fLO= 1880MHz, fIF= 70MHz (Note 4) dBm-65IF/2 Spurious Response
1.5:1LO Input VSWR
dB
12.7
Noise Figure (Single Sideband)
11.1
7.0
dBm
+1.0
Input Third-Order Intercept Point
(Note 3)
MHz400 2500LO Frequency Range
MHz400 2500RF Frequency Range
+0.5
-6.1
dB
7.7
Conversion Power Gain
MHz10 500IF Frequency Range
11.0
14.2
6.7 8.4 9.4
UNITSMIN TYP MAXPARAMETER
fRF= 1950MHz, fLO= 1880MHz, fIF= 70MHz,
TA= T
MIN
to T
MAX
(Note 1)
dB2.1 3.2
(Notes 1, 2)
Gain Variation Over Temperature
(Notes 1, 2)
fRF= 1950MHz, 1951MHz, fLO= 1880MHz, fIF= 70MHz
fRF= 900MHz, 901MHz, fLO= 970MHz, fIF= 70MHz
fRF= 2450MHz, fLO= 2210MHz, fIF= 240MHz
(Notes 1, 2)
fRF= 400MHz, fLO= 445MHz, fIF= 45MHz
fRF= 900MHz, fLO= 970MHz, fIF= 70MHz
fRF= 1950MHz, fLO= 1880MHz, fIF= 70MHz (Note 1)
fRF= 2450MHz, 2451MHz, fLO= 2210MHz, fIF= 240MHz
dBm
+3.2
Input Third-Order Intercept Point
(Note 3)
MHz400 2500LO Frequency Range
MHz400 2500RF Frequency Range
+4.4
-1.8
dB
7.9
Conversion Power Gain
MHz10 500IF Frequency Range
13.4
14.7
8.7 10.4 11.7
fRF= 1950MHz, fLO= 2020MHz, fIF= 70MHz
fRF= 900MHz, fLO= 970MHz, fIF= 70MHz
fRF= 2450MHz, fLO= 2210MHz, fIF= 240MHz
dB
13.4
Noise Figure (Single Sideband)
10.2
6.5
MAX2681
MAX2682