Rainbow Electronics MAX7033 - Manual (Page 7)

MAX7033
315MHz/433MHz ASK Superheterodyne
Receiver with AGC Lock
_______________________________________________________________________________________ 7
NORMALIZED IF GAIN
vs. IF FREQUENCY
MAX7033 toc10
IF FREQUENCY (MHz)
NORMALIZED IF GAIN (dB)
10
-25
-20
-15
-10
-5
0
5
-30
1 100
S 11 LOG MAGNITUDE PLOT OF RFIN
MAX7033 toc11
FREQUENCY (MHz)
S
11
MAGNITUDE (dB)
900 800 600 700 200 300 400 500 100
-40
-30
-20
-10
0
10
20
30
40
50
-50
0 1000
315MHz
-36dB
S
11
SMITH CHART PLOT OF RFIN
MAX7033 toc12
500MHz
200MHz
315MHz
WITH INPUT
MATCHING
REGULATOR VOLTAGE
vs. REGULATOR CURRENT
MAX7033 toc13
REGULATOR CURRENT (mA)
REGULATOR VOLTAGE (V)
50 40 30 20 10
1.9
2.1
2.3
2.5
2.7
2.9
3.1
3.3
3.5
1.7
0 60
-40 °C
+25 °C
+85 °C
+105 °C
PHASE NOISE
vs. OFFSET FREQUENCY
MAX7033 toc14
OFFSET FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1M 100k 10k 1k 100
-120
-100
-80
-60
-40
-20
0
-140
10 10M
f RF = 315MHz
PHASE NOISE
vs. OFFSET FREQUENCY
MAX7033 toc15
OFFSET FREQUENCY (Hz)
PHASE NOISE (dBc/Hz)
1M 100k 10k 1k 100
-120
-100
-80
-60
-40
-20
0
-140
10 10M
f RF = 433MHz
Typical Operating Characteristics (continued)
(Typical Application Circuit , AV
DD
= DV
DD
= V
DD5
= +3.3V, f
RF
= 315MHz, T
A
= +25°C, unless otherwise noted.)