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Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
+3.3V SUPPLY AC ELECTRICAL CHARACTERISTICS (continued)
(Typical Application Circuit. Typical values are at V CC = +3.3V, P RF = -5dBm, P LO = 0dBm, f RF = 1800MHz, f LO = 1610MHz,
f IF = 190MHz, T C = +25°C, unless otherwise noted.) (Note 6)
PARAMETER
Input Compression Point
Input Intercept Point
Input Intercept Variation Over
Temperature
Noise Figure
Noise Figure Temperature
Coefficient
2RF-2LO Spur Rejection
3RF-3LO Spur Rejection
SYMBOL
IP 1dB
IIP3
TC IIP3
NF SSB
TC NF
2x2
3x3
CONDITIONS
(Note 7)
f RF1 - f RF2 = 1MHz
f RF1 - f RF2 = 1MHz, T C = -40°C to +85°C
Single sideband, no blockers present
Single sideband, no blockers present,
T C = -40°C to +85°C
P RF = -10dBm
P RF = -5dBm
P RF = -10dBm
P RF = -5dBm
MIN
TYP
8.9
18.5
0.0034
9.0
0.016
73
68
70
60
MAX
UNITS
dBm
dBm
dBm/°C
dB
dB/°C
dBc
dBc
RF Input Return Loss
LO Input Return Loss
IF Return Loss
LO on and IF terminated
LO port selected, RF and IF terminated into
matched impedance
LO port unselected, RF and IF terminated
into matched impedance
RF terminated into 50 Ω , LO driven by 50 Ω
source, IF transformed to 50 Ω using
external components shown in Typical
21
16
20
12.5
dB
dB
dB
Application Circuit , f IF = 190MHz
RF-to-IF Isolation
LO Leakage at RF Port
2LO Leakage at RF Port
LO Leakage at IF Port
Channel Isolation
RFMAIN converted power measured at
IFD_, relative to IFM_, all unused ports
terminated to 50 Ω
RFDIV converted power measured at IFM_,
relative to IFD_, all unused ports terminated
to 50 Ω
42
-40
-29
-43
49
49
dB
dBm
dBm
dBm
dB
LO-to-LO Isolation
LO Switching Time
P LO1 = +3dBm, P LO2 = +3dBm,
f LO1 = 1610MHz, f LO2 = 1611MHz
50% of LOSEL to IF settled within 2 degrees
55
50
dB
ns
Note 5:
Note 6:
Note 7:
Note 8:
Note 9:
Not production tested. Operation outside this range is possible, but with degraded performance of some parameters. See
the Typical Operating Characteristics.
All limits reflect losses of external components, including a 0.65dB loss at f IF = 190MHz due to the 4:1 impedance trans-
former. Output measurements were taken at IF outputs of the Typical Application Circuit.
Maximum reliable continuous input power applied to the RF or IF port of this device is +12dBm from a 50 Ω source.
Guaranteed by design and characterization.
Measured with external LO source noise filtered so the noise floor is -174dBm/Hz. This specification reflects the effects of
all SNR degradations in the mixer, including the LO noise as defined in Application Note 2021: Specifications and
Measurement of Local Oscillator Noise in Integrated Circuit Base Station Mixers.
Note 10: Limited production testing.
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7
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