MAX2686L /MAX2693L
GPS/GNSS Low-Noise Amplifiers
with Integrated LDO
AC ELECTRICAL CHARACTERISTICS (continued)
(MAX2686L /MAX2693L EV kit, V CC = 1.6V to 4.2V, T A = -40°C to +85°C, f RFIN = 1575.42MHz. Typical values are at V CC = 3.3V and
T A = +25°C, unless otherwise noted.) (Note 2)
PARAMETER
Output Return Loss
Reverse Isolation
MAX2686L
MAX2693L
MAX2686L
MAX2693L
CONDITIONS
MIN
TYP
22.0
14.3
41.0
40.0
MAX
UNITS
dB
dB
Note 2: Min and max limits guaranteed by test at T A = +25°C and guaranteed by design and characterization at T A = -40°C and
T A = +85°C, unless otherwise noted.
Note 3: Min and max limits guaranteed by test at T A = +25°C.
Note 4: Min limit guaranteed by design and characterization.
Note 5: Measured with the two tones located at 1MHz and 2MHz offset from the center of the GPS band with -30dBm/tone.
Note 6: Measured with input tones at 1713MHz (-27dBm) and 1851MHz (-39dBm).
Note 7: Measured with a tone located at the center of the GPS band.
Typical Operating Characteristics
(MAX2686L/MAX2693L EV kit. Typical values are at V CC = 3.3V, T A = +25°C, and f RFIN = 1575.42MHz, unless otherwise noted.)
MAX2686L
MAX2686L INPUT RETURN LOSS
vs. FREQUENCY
MAX2686L
GAIN vs. FREQUENCY
MAX2686L REVERSE ISOLATION
vs. FREQUENCY
0
V CC = 3.2V
+25°C
20
15
V CC = 1.6V
+25°C
-30
-40
1.6V
3.2V
4.2V
-10
V CC = 4.2V
V CC = 3.2V
-20
V CC = 1.6V
10
5
V CC = 4.2V
-50
-60
-30
0
-70
500
1000
1500
2000
2500
500
1000
1500
2000
2500
500
1000
1500
2000
2500
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
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