315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
Typical Operating Characteristics (continued)
(Typical Application Circuit , AVDD = DVDD = VDD5 = +3.3V, fRF = 315MHz, TA = +25°C, unless otherwise noted.)
5
0
-5
-10
-15
-20
-25
-30
1
NORMALIZED IF GAIN
vs. IF FREQUENCY
10
100
IF FREQUENCY (MHz)
S11 LOG MAGNITUDE PLOT OF RFIN
50
40
30
20
10
0
-10
-20
-30
315MHz
-36dB
-40
-50
0 100 200 300 400 500 600 700 800 900 1000
FREQUENCY (MHz)
S11 SMITH CHART PLOT OF RFIN
MAX7033 toc12
WITH INPUT
MATCHING
315MHz
500MHz
200MHz
3.5
3.3
3.1
2.9
2.7
2.5
2.3
2.1
1.9
1.7
0
REGULATOR VOLTAGE
vs. REGULATOR CURRENT
-40°C
+25°C
+85°C
+105°C
10 20 30 40 50 60
REGULATOR CURRENT (mA)
PHASE NOISE
vs. OFFSET FREQUENCY
0
fRF = 315MHz
-20
-40
-60
-80
-100
-120
-140
10
100 1k 10k 100k 1M 10M
OFFSET FREQUENCY (Hz)
PHASE NOISE
vs. OFFSET FREQUENCY
0
fRF = 433MHz
-20
-40
-60
-80
-100
-120
-140
10
100 1k 10k 100k 1M 10M
OFFSET FREQUENCY (Hz)
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