Ac electrical characteristics—max2652 (continued) – Rainbow Electronics MAX2653 User Manual
Page 6
MAX2651/MAX2652/MAX2653
GSM900 and DCS1800/PCS1900
Dual-Band, Low-Noise Amplifiers
6
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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 50
Ω, 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
)
CONDITIONS
SYMBOL
PARAMETER
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