Rainbow Electronics MAX7034 - Manual (Page 6)

PHASE NOISE
vs. OFFSET FREQUENCY
MAX7033 toc13
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 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 = 433.92MHz
MAX7034
315MHz/434MHz ASK Superheterodyne
Receiver
6 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
( Typical Application Circuit, V
DD5 = +5.0V, f RF = 433.92MHz, T A = +25°C, unless otherwise noted.)
NORMALIZED IF GAIN
vs. IF FREQUENCY
MAX7034 toc10
IF FREQUENCY (MHz)
NORMALIZED IF GAIN (dB)
10
-25
-20
-15
-10
-5
0
5
-30
1 100
S 11 MAGNITUDE PLOT OF RFIN
vs. FREQUENCY
MAX7034 toc11
FREQUENCY (MHz)
S
11
MAGNITUDE (dB)
470 440 380 410 260 290 320 350 230
-40
-30
-20
-10
0
10
20
30
40
50
-50
200 500
315MHz
-24.1dB
S 11 SMITH CHART PLOT OF RFIN
MAX7034 toc12
500MHz
200MHz
WITH INPUT
MATCHING
315MHz