NJM2550 View Datasheet(PDF) - Japan Radio Corporation
Part Name
Description
MFG CO.
NJM2550 Datasheet PDF : 15 Pages
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RSSI Output versus IF Input
1.8
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
0
fif=10.7MHz
fif=50MHz
20 40 60 80 100 120
IF Input Level VinIF(dBuV)
AF OUT versus IF Frequency(S Curve)-10.7MHz-
2.5 VinIF=80dBuV
V+=9V
2 V+=3V
1.5
V+=2V
1
0.5
0
9.5
10
10.5
11
11.5
IF Frequency fif (MHz)
Demodulated Signal Frequency Characteristics
fdev=±100kHz, VinIF=80dBuV
140
120
fif=10.7MHz
100
80
fif=50MHz
60
40
20
0
10
100
1000
10000
FM Modulation Frequency(kHz)
Ver.2006-02-24
NJM2550
RSSI Output versus IF Frequency
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
1
VinIF=80dBuV
VinIF=40dBuV
10
100
IF Frequency fif (MHz)
AF OUT versus IF Frequency(S Curve)-50MHz-
VinIF=80dBuV
2.5
2 V+=9V
1.5 V+=3V
1 V+=2V
0.5
0
49
49.5
50
50.5
51
IF Frequency fif (MHz)
IF AMP Gain versus IF Frequency
90
85
80
75
70
65
60
55
50
45
40
1
Simulation
10
100
IF Frequency fif (MHz)
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