450MHz CDMA/OFDM LNA/Mixer
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2335 EV Kit, V CC = +2.9V to +3.3V, f LNAIN = f MIXIN = 465MHz, f IF = 110MHz, f LO = 2 x (f MIXIN + f IF ), 50 ? system impedance,
R BIAS = 18k ? , R LNA = 24k ? , cascaded performance includes 2dB interstage filter loss, T A = -40°C to +85°C, unless otherwise
noted. Typical values are at V CC = +2.9V, P LO_IN = -7dBm, LOW = 0V, HIGH = +3.0V, T A = +25°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HIGH-GAIN, LOW-LINEARITY MODE (MODE[2:0] = 101)
Gain
Noise Figure
Input Third-Order Intercept Point
G
NF
IIP3
(Note 1)
Including off-chip matching, T A = +25°C (Note 2)
T A = +25°C (Notes 1, 3)
21.0
-15
26.5
2.1
-12.5
30.5
2.5
dB
dB
dBm
LOW-GAIN MODE (MODE[2:0] = 011)
Gain
Noise Figure
Input Third-Order Intercept Point
G
NF
IIP3
(Note 1)
Including off-chip matching, T A = +25°C (Note 2)
T A = +25°C (Notes 1, 3)
5
3
9
12
7
14
15
dB
dB
dBm
LNA PERFORMANCE
HIGH-GAIN, HIGH-LINEARITY MODE (MODE[2:0] = 111)
Gain
G LNA
15.5
dB
Noise Figure
Input Third-Order Intercept Point
NF LNA
IIP3 LNA
Including off-chip matching
(Note 3)
1.7
+7
dB
dBm
HIGH-GAIN, LOW-LINEARITY MODE (MODE[2:0] = 101)
Gain
G LNA
14.5
dB
Noise Figure
Input Third-Order Intercept Point
NF LNA
IIP3 LNA
Including off-chip matching
(Note 3)
1.5
+5
dB
dBm
LOW-GAIN MODE (MODE[2:0] = 011)
Gain
G LNA
-2.7
dB
Noise Figure
Input Third-Order Intercept Point
NF LNA
IIP3 LNA
Including off-chip matching
(Note 3)
5.5
+14
dB
dBm
MIXER PERFORMANCE
HIGH-GAIN, HIGH-LINEARITY MODE (MODE[2:0] = 111)
Gain
G MIXER
14
dB
Noise Figure
NF MIXER
Including off-chip matching
7
dB
Input Third-Order Intercept Point
IIP3 MIXER (Note 3)
+2
dBm
HIGH-GAIN, LOW-LINEARITY MODE (MODE[2:0] = 101)
Gain
G MIXER
13.5
dB
Noise Figure
NF MIXER
Including off-chip matching
6.7
dB
Input Third-Order Intercept Point
IIP3 MIXER (Note 3)
0
dBm
LOW-GAIN MODE (MODE[2:0] = 011)
Gain
G MIXER
14
dB
Noise Figure
NF MIXER
Including off-chip matching
7
dB
Input Third-Order Intercept Point
IIP3 MIXER (Note 3)
+2
dBm
Note 1: Specifications at T A = +25°C and +85°C are guaranteed by production test. Specifications at T A = -40°C are guaranteed
by design and characterization.
Note 2: Guaranteed by design and characterization.
Note 3: Two-tone IIP3 tested at f RF1 = 465.9MHz and f RF2 = 466.7MHz at -25dBm/tone.
_______________________________________________________________________________________
3
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