Owner's manual

MAX2651/MAX2652/MAX2653
GSM900 and DCS1800/PCS1900
Dual-Band, Low-Noise Amplifiers
6 _______________________________________________________________________________________
AC ELECTRICAL CHARACTERISTICS—MAX2652 (continued)
(MAX2652 EV kit, f
IN
= 945MHz (GSM band), f
IN
= 1850MHz (DCS band), P
IN
= -30dBm, input and output matching networks are
optimized for the frequency band of interest, all input/output ports terminated in 50Ω, V
CC
= +3V, T
A
= +25°C, unless otherwise noted.)
(Note 2)
Input Return Loss
Reverse Isolation

S
12

2
GSM band, high-gain mode
(BAND = GND, GAIN = V
CC
)
DCS band, low-gain mode
(BAND = V
CC
, GAIN = GND)
DCS band, high-gain mode
(BAND = GAIN = V
CC
)
GSM band, high-gain mode
(BAND = GND, GAIN = V
CC
)
DCS band, low-gain mode
(BAND = V
CC
, GAIN = GND)
DCS band, high-gain mode
(BAND = GAIN = V
CC
)
GSM band, low-gain mode
(BAND = GAIN = GND)
GSM band, high-gain mode
(BAND = GND, GAIN = V
CC
)
DCS band, low-gain mode
(BAND = V
CC
, GAIN = GND)
DCS band, high-gain mode
(BAND = GAIN = V
CC
)
CONDITIONSSYMBOLPARAMETER
GSM band, low-gain mode
(BAND = GAIN = GND)

S
11

2

S
22

2
Output Return Loss
GSM band, low-gain mode
(BAND = GAIN = GND)
dB
dB
dB
UNIT
MIN TYP MAX
-12 -9.5
-12 -9.5
-11 -9.5
-20 -15
-11 -9.5
-17 -13
-12.5 -11
-15 -13
-29 -26
-19 -17
-37 -34
-23 -20