
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.)
NORMALIZED IF GAIN
5
0
vs. IF FREQUENCY
50
40
30
S 11 LOG MAGNITUDE PLOT OF RFIN
S 11 SMITH CHART PLOT OF RFIN
MAX7033 toc12
-5
-10
20
10
0
WITH INPUT
MATCHING
315MHz
500MHz
-15
-20
-25
-10
-20
-30
-40
315MHz
-36dB
200MHz
-30
1
10
100
-50
0 100 200 300 400 500 600 700 800 900 1000
IF FREQUENCY (MHz)
FREQUENCY (MHz)
3.5
REGULATOR VOLTAGE
vs. REGULATOR CURRENT
0
PHASE NOISE
vs. OFFSET FREQUENCY
0
PHASE NOISE
vs. OFFSET FREQUENCY
3.3
-20
f RF = 315MHz
-20
f RF = 433MHz
3.1
2.9
-40
-40
2.7
2.5
2.3
2.1
1.9
1.7
-40 ° C
+25 ° C
+85 ° C
+105 ° C
-60
-80
-100
-120
-140
-60
-80
-100
-120
-140
0
10
20
30
40
50
60
10
100
1k
10k
100k
1M
10M
10
100
1k
10k
100k
1M
10M
REGULATOR CURRENT (mA)
OFFSET FREQUENCY (Hz)
OFFSET FREQUENCY (Hz)
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