Ac electrical characteristics—max2651 (continued) – Rainbow Electronics MAX2653 User Manual
Page 4
MAX2651/MAX2652/MAX2653
GSM900 and DCS1800/PCS1900
Dual-Band, Low-Noise Amplifiers
4
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AC ELECTRICAL CHARACTERISTICS—MAX2651 (continued)
(MAX2651 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)
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
)
Reverse Isolation
-19
-15
-12
-10
dB
-14
-10
S
22
2
Output Return Loss
-20
-15
-11
-8.5
-14
-12
dB
-11
-8.5
S
11
2
Input Return Loss
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
)
GSM band, low-gain mode
(BAND = GAIN = GND)
-22
-20
-39
-35
-20
-18
dB
-32
-29
S
12
2
-20
-15
GSM band, low-gain mode
(BAND = GND, GAIN = GND)
GSM band, high-gain mode
(BAND = GND, GAIN = V
CC
)
(Note 5)
DCS band, low-gain mode
(BAND = V
CC
, GAIN = GND)
-10.5
-8.5
-20
-18
-9.5
-8
dBm
IP
-1dB
Input 1dB Compression Point
dBm
-11.5 -10
IIP3
Input Third-Order Intercept Point
DCS band, high-gain mode
(BAND = GAIN = V
CC
)
DCS band, high-gain mode
(BAND = GAIN = V
CC
)
-1.5
0.5
DCS band, low-gain mode
(BAND = V
CC
, GAIN = GND)
(Note 6)
-10.5
-8.5
-2.5
0.5
GSM band, high-gain mode
(BAND = GND, GAIN = V
CC
)
GSM band, low-gain mode
(BAND = GND, GAIN = GND)
CONDITIONS
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
-20
-18