Triple/Dual-Mode
CDMA LNA/Mixers
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2323 EV kit, F PLNAIN = 1960MHz, F CLNAIN = 881MHz, F IF = 110MHz, high-side LO, 50 ? system, R RBIAS = 20k ? ,
R RLNA = 24k ? . Typical values are V CC = 2.75V, T A = +25 ° C. LO input power = -7dBm, LOW = 0V, HIGH = V CC , unless otherwise
noted.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CDMA HIGH-GAIN, LOW-LINEARITY PAGING MODE
Gain
LNA Noise Figure
T A = T MIN to T MAX
12.5
14
1.9
14.5
2.1
dB
dB
LNA IIP3
(Note 3)
T A = +25 ° C
T A = T MIN to T MAX
4.5
3.0
5.5
dBm
CDMA MIDGAIN MODE
Gain
Noise Figure
IIP3
T A = T MIN to T MAX
(Note 3)
-2.0
12
-1.0
5.6
13.5
-0.5
6.0
dB
dB
dBm
CELLULAR MIXER PERFORMANCE (MAX2323/MAX2325)
CDMA, ALL MODES
Gain
Noise Figure
IIP3
T A = T MIN to T MAX
T A = T MIN to T MAX (Note 3)
11.5
3.5
13
7.5
4.8
14.5
8.5
dB
dB
dBm
FM MODE
Gain
Noise Figure
IIP3
T A = T MIN to T MAX
T A = T MIN to T MAX (Note 3)
8.5
1.5
10
10.5
5
11.5
11.5
dB
dB
dBm
PCS MIXER PERFORMANCE (MAX2323)
CDMA HIGH-GAIN, HIGH-LINEARITY MODE
Gain
Noise Figure
IIP3
T A = T MIN to T MAX
T A = T MIN to T MAX (Note 3)
12
1.5
13.5
7.9
4
15.5
8.5
dB
dB
dBm
Note 1: Devices are production tested for functionality at frequencies stated; 30 units from 3 independent wafer lots, when one lot
was at the upper process extreme, one lot was nominal, and one lot was at the lower process extreme, were characterized.
The resulting standard deviation therefore includes process variations. Data sheet limits are ±3 σ from the mean.
Note 2: Operation over this frequency range requires the ports to be rematched for the desired operating range. Performance at
various frequencies is indicated by the S-parameter data in Tables 3 – 7.
Note 3: Specifications are based on R BIAS = 20k ? . I CC for all LNAs (except HGHL) and mixers are inversely proportional to R RBIAS .
IIP3 can be traded for I CC by selecting other values of R RBIAS .
4
_______________________________________________________________________________________
相关PDF资料
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