Rainbow-electronics MAX2325 Bedienungsanleitung Seite 3

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MAX2323/MAX2325
Triple/Dual-Mode
CDMA LNA/Mixers
_______________________________________________________________________________________ 3
AC ELECTRICAL CHARACTERISTICS
(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
OVERALL PERFORMANCE
Low-Band RF Frequency Range (Note 2) 850 950 MHz
High-Band RF Frequency
Range
MAX2323 (Note 2) 1800 2200 MHz
Low-Band LO Frequency Range (Note 2)
800 1150 MHz
High-Band LO Frequency
Range
MAX2323 (Note 2) 1600 2300 MHz
IF Frequency Range (Note 2) 40 400 MHz
LO Input Level 100 input impedance -7 -5 0 dBm
CELLULAR LNA PERFORMANCE (MAX2323/MAX2325)
CDMA AND FM HIGH-GAIN, HIGH-LINEARITY MODES
Gain T
A
= T
MIN
to T
MAX
14.5 15.5 17 dB
Noise Figure 1.7 1.9 dB
T
A
= +25°C 9 10.5
IIP3
T
A
= T
MIN
to T
MAX
7.5
dBm
CDMA HIGH-GAIN, LOW-LINEARITY PAGING MODE, AND FM HIGH-GAIN MODE
Gain T
A
= T
MIN
to T
MAX
13 14.5 16 dB
LNA Noise Figure 1.7 1.9 dB
T
A
= +25°C 2.5 5
LNA IIP3 (Note 3)
T
A
= T
MIN
to T
MAX
2.7
dBm
CDMA AND FM MIDGAIN MODES
Gain T
A
= T
MIN
to T
MAX
4.5 6 8 dB
Noise Figure 3.3 3.5 dB
T
A
= +25°C 8.5 10
IIP3 (Note 3)
T
A
= T
MIN
to T
MAX
5
dBm
CDMA AND FM LOW-GAIN MODES
Gain T
A
= T
MIN
to T
MAX
-4.5 -3.5 -1.5 dB
Noise Figure 7.5 8.5 dB
IIP3 (Note 3) 13 17.5 dBm
PCS LNA PERFORMANCE (MAX2323)
CDMA HIGH-GAIN, HIGH-LINEARITY MODE
Gain T
A
= T
MIN
to T
MAX
13.5 14.5 15.5 dB
Noise Figure 1.9 2.1 dB
T
A
= +25°C78
IIP3 (Note 3)
T
A
= T
MIN
to T
MAX
5.5
dBm
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