315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Typical Operating Characteristics (continued)
(Typical Application Circuit , V AVDD = V DVDD = V DD5 = +3.3V, f RF = 315MHz, T A = +25°C, unless otherwise noted.)
RSSI AND DELTA
SENSITIVITY vs. TEMPERATURE
RSSI vs. RF INPUT POWER
vs. IF INPUT POWER
-108
2.4
2.4
MAX7033 toc06
3.5
-110
AVERAGE CARRIER POWER
0.2% BER
IF BANDWIDTH = 280kHz
2.2
IF BANDWIDTH = 280kHz
V AC = V DVDD
2.2
2.5
-112
2.0
2.0
1.5
-114
f RF = 433MHz
1.8
1.8
0.5
-116
-118
1.6
V AC = 0V
1.6
DELTA
-0.5
-120
-122
-124
f RF = 315MHz
1.4
1.2
1.0
1.4
1.2
1.0
RSSI
-1.5
-2.5
-3.5
-40
-15
10
35
60
85
110
-140 -120 -100
-80
-60
-40
-20
0
-90
-70
-50
-30
-10
10
65
TEMPERATURE ( ° C)
LNA/MIXER VOLTAGE GAIN
vs. IF FREQUENCY
55
RF INPUT POWER (dBm)
IMAGE REJECTION
vs. RF FREQUENCY
45.0
IF INPUT POWER (dBm)
IMAGE REJECTION
vs. TEMPERATURE
55
UPPER
44.5
f RF = 315MHz
45
SIDEBAND
50
44.0
43.5
35
49dB IMAGE
REJECTION
45
43.0
f RF = 375MHz
25
15
LOWER
SIDEBAND
40
f RF = 375MHz
42.5
42.0
f RF = 433MHz
5
-5
0
5
10
15
FROM RFIN
TO MIXOUT
f RF = 315MHz
20 25
30
35
30
f RF = 315MHz
f RF = 433MHz
280 300 320 340 360 380 400 420 440 460 480
41.5
41.0
40.5
-40
-15
10
35
60
85
IF FREQUENCY (MHz)
RF FREQUENCY (MHz)
TEMPERATURE ( ° C)
6
_______________________________________________________________________________________
相关PDF资料
MAX7033EVKIT-315 EVAL KIT FOR MAX7033 315MHZ
MAX7034EVKIT-433+ EVAL KIT MAX7034
MAX7036EVKIT-433+ EVAL KIT MAX7036
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