MAX19997A
Dual, SiGe High-Linearity, 1800MHz to 2900MHz
Downconversion Mixer with LO Buffer
+5.0V SUPPLY, LOW-SIDE LO INJECTION AC ELECTRICAL CHARACTERISTICS
(continued)
(Typical Application Circuit optimized for the standard RF band (see Table 1) , V CC = 4.75V to 5.25V, RF and LO ports are driven
from 50 ? sources, P LO = -3dBm to +3dBm, P RF = -5dBm, f RF = 2300MHz to 2900MHz, f LO = 1950MHz to 2550MHz, f IF = 350MHz,
f RF > f LO , T C = -40°C to +85°C. Typical values are at V CC = 5.0V, P RF = -5dBm, P LO = 0dBm, f RF = 2600MHz, f LO = 2250MHz,
f IF = 350MHz, T C = +25°C, unless otherwise noted.) (Note 7)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Third-Order Input Intercept Point
IIP3
f RF1 - f RF2 = 1MHz, P RF = -5dBm per tone
(Notes 8, 9)
f RF = 2600MHz, f RF1 - f RF2 = 1MHz,
P RF = -5dBm per tone, T C = +25°C
21.6
22
23
23.8
dBm
dBm
(Notes 8, 9)
Third-Order Input Intercept Point
Variation Over Temperature
f RF1 - f RF2 = 1MHz, T C = -40°C to +85°C
Single sideband, no blockers present
f RF = 2400MHz to 2900MHz (Notes 6, 8)
±0.3
10.3
13.0
dBm
Noise Figure
NF SSB
Single sideband, no blockers present,
f RF = 2400MHz to 2900MHz, T C = +25°C
10.3
11.3
dB
(Notes 6, 8)
Noise Figure Temperature
Coefficient
TC NF
Single sideband, no blockers present,
T C = -40°C to +85°C
0.018
dB/°C
f BLOCKER = 2793MHz, P BLOCKER = 8dBm,
Noise Figure Under Blocking
Conditions
NF B
f RF = 2600MHz, f LO = 2250MHz,
P LO = 0dBm, V CC = 5.0V, T C = +25°C
22
25
dB
(Notes 6, 8, 12)
f RF = 2600MHz, f LO = 2250MHz,
P RF = -10dBm, f SPUR = f LO + 175MHz,
T C = +25°C (Note 8)
62
67
2RF - 2LO Spur
2x2
f RF = 2600MHz, f LO = 2250MHz,
dBc
P RF = -5dBm, f SPUR = f LO + 175MHz,
T C = +25°C (Notes 8, 9)
f RF = 2600MHz, f LO = 2250MHz,
P RF = -10dBm, f SPUR = f LO + 116.67MHz,
T C = +25°C (Note 8)
57
78
62
83
3RF - 3LO Spur
3x3
f RF = 2600MHz, f LO = 2250MHz,
dBc
P RF = -5dBm, f SPUR = f LO + 116.67MHz,
T C = +25°C (Notes 8, 9)
68
73
RF Input Return Loss
LO Input Return Loss
6
LO on and IF terminated into a matched
impedance
RF and IF terminated into a matched
impedance
16
11.5
dB
dB
Maxim Integrated
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