SiGe, High-Linearity, 850MHz to 1550MHz
Up/Downconversion Mixer with LO Buffer
AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER OPERATION)
(Typical Application Circuit, V CC = +4.75V to +5.25V, RF and LO ports are driven from 50 Ω sources, P LO = -3dBm to +3dBm,
P RF = 0dBm, f RF = 1000MHz to 1250MHz, f LO = 1200MHz to 2250MHz, f IF = 50MHz to 1000MHz, f RF < f LO , T C = -40°C to +85°C.
Typical values are at V CC = +5.0V, P RF = 0dBm, P LO = 0dBm, f RF =1200MHz, f LO = 1700MHz, f IF = 500MHz, T C = +25°C, unless
otherwise noted.) (Note 7)
PARAMETER
Conversion Power Loss
Conversion Power Loss
Temperature Coefficient
Conversion Power Loss Variation
vs. Frequency
Noise Figure
SYMBOL
L C
TC L
Δ L C
NF SSB
CONDITIONS
f RF = 1200MHz, f LO = 1700MHz,
f IF = 500MHz, T C = +25°C (Notes 8, 9)
T C = -40°C to +85°C
f LO = 1200MHz to 2250MHz
Single sideband
MIN
TYP
7.4
0.01
± 0.5
7.8
MAX
9
UNITS
dB
dB/°C
dB
dB
Input 1dB Compression Point
IP 1dB
24
dBm
V CC = +5.0V,
f RF1 = 1200MHz,
Third-Order Input Intercept Point
IIP3
f RF2 = 1201MHz,
P RF = 0dBm tone,
33
35
dBm
f LO = 1562MHz, P LO = 0dBm, T C = +25°C,
f IF = 362MHz (Notes 8, 9)
2RF-LO Spurious Rejection
2LO-2RF Spurious Rejection
2x1
2x2
Single tone, f RF =1200MHz,
f IF = 192.5MHz to 857.5MHz,
f LO = 1392.5MHz to 2057.5MHz,
P LO = +3dBm, resultant
f SPUR = 1007.5MHz to 342.5MHz
(Notes 8, 9, 10)
Single tone, f RF =1200MHz,
f IF = 857.5MHz to 1000MHz,
f LO = 2057.5MHz to 2200MHz,
P LO = +3dBm, resultant
f SPUR = 342.5MHz to 200MHz
(Notes 8, 9, 10)
Single tone, f RF =1200MHz,
f IF = 97.5MHz to 430MHz,
f LO = 1297.5MHz to 1630MHz,
P LO = +3dBm, resultant
f SPUR = 195MHz to 860MHz
(Notes 8, 9, 10)
Single tone, f RF =1200MHz,
f IF = 430MHz to 525MHz,
f LO = 1630MHz to 1725MHz,
P LO = +3dBm, resultant
f SPUR = 860MHz to 1050MHz
(Notes 8, 9, 10)
P RF =
-14dBm
P RF =
-10dBm
P RF =
0dBm
P RF =
-14dBm
P RF =
-10dBm
P RF =
0dBm
P RF =
-14dBm
P RF =
-10dBm
P RF =
0dBm
P RF =
-14dBm
P RF =
-10dBm
P RF =
0dBm
73
69
59
74
70
60
68
64
54
71.5
67.5
57.5
88
84
74
78
74
64
79
75
65
77.4
73.4
63.4
dBc
dBc
_______________________________________________________________________________________
3
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