Ac electrical characteristics – Rainbow Electronics MAX2325 User Manual
Page 3
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
Ω system, R
RBIAS
= 20k
Ω,
R
RLNA
= 24k
Ω. 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
Ω 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
°C
7
8
IIP3
(Note 3)
T
A
= T
MIN
to T
MAX
5.5
dBm