MAX2651(1999) データシートの表示（PDF） - Maxim Integrated
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MAX2651 Datasheet PDF : 16 Pages
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GSM900 and DCS1800/PCS1900
Dual-Band, Low-Noise Amplifiers
AC ELECTRICAL CHARACTERISTICS—MAX2653
(MAX2653 EV kit, fIN = 1850MHz (DCS band), fIN = 1960MHz (PCS band), PIN = -30dBm, input and output matching networks are
optimized for the frequency band of interest, all input/output ports terminated in 50Ω, VCC = +3V, TA = +25°C, unless otherwise
noted.) (Note 2)
PARAMETER
Input Frequency Range
(Note 3)
SYMBOL
fIN
BAND = VCC
CONDITIONS
DCS band
PCS band
MIN
1805
1930
TYP
MAX
1880
1990
UNITS
MHz
Power Gain (Note 4)
Noise Figure (Note 4)
DCS and PCS band,
TA = +25°C
high-gain mode
(BAND = GAIN = VCC) TA = -40°C to +85°C
G
DCS and PCS band,
TA = +25°C
low-gain mode (BAND =
VCC, GAIN = GND)
TA = -40°C to +85°C
High-gain mode
DCS band
(BAND = GAIN = VCC) PCS band
NF
DCS and PCS band, low-gain mode
(BAND = VCC, GAIN = GND)
17
18.5
20
16
20
dB
-4
-2.5
-1
-4
0
1.7
1.9
1.8
2.05
dB
5.3
6.7
Input Third-Order
Intercept Point
(Notes 5, 7)
DCS and PCS band, high-gain mode
(BAND = VCC, GAIN = GND)
IIP3
DCS and PCS band, low-gain mode
(BAND = VCC, GAIN = GND)
-10.5 -8.5
-1
+1.5
dBm
Input 1dB Compression
Point
Input Return Loss
Output Return Loss
Reverse Isolation
IP-1dB
S112
S222
S122
DCS and PCS band, high-gain mode
(BAND = GAIN = VCC)
DCS and PCS band, low-gain mode
(BAND = VCC, GAIN = GND)
DCS and PCS band, high-gain mode
(BAND = GAIN = VCC)
DCS and PCS band, low-gain mode
(BAND = VCC, GAIN = GND)
DCS and PCS band, high-gain mode
(BAND = GAIN = VCC)
DCS and PCS band, low-gain mode
(BAND = VCC, GAIN = GND)
High-gain mode (BAND
= GAIN = VCC)
DCS band
PCS band
Low-gain mode (BAND = DCS band
VCC, GAIN = GND)
PCS band
-20
-18
dB
-9
-7
-11
-8.5
dB
-11
-9.5
-12
-9.5
dB
-15
-12
-35
-31
-33
-29
dB
-21
-18
-21
-18
Note 2: Minimum and maximum limits are guaranteed by design and characterization, but not production tested.
Note 3: The part has been fully characterized at the specified frequency range. Operation outside of this range is possible but not
guaranteed.
Note 4: Specification excludes circuit board losses.
Note 5: Measured with two tones, fIN1 = 1850MHz, fIN2 = 1850.8MHz, PIN = -33dBm for each tone.
Note 6: Measured with two tones, fIN1 = 945MHz, fIN2 = 945.8MHz, PIN = -33dBm for each tone.
Note 7: Measured with two tones, fIN1 = 1960MHz, fIN2 = 1960.8MHz, PIN = -33dBm for each tone.
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