CXA1742Q
Example of Representative Characteristics
The following characteristic curves are measured after IC adjustment. If the IC is not properly adjusted, the
resulting characteristics are not close to the representative characteristics presented below. When making
measurements, observe precautions 7, 8, and 9 under "Notes on Operation".
CXA1742Q.SINAD AMPS
CXA1742Q. AMPS
(dB)
0
(dB)
40
S
f=45MHz
Dev. 8kHz
Audio 1kHz
35
30
25
–10
–20
–30
–40
–50
–60
Cmessage weighting
Ta=25°C
VCC=3V
20
15
f=45MHz
Dev. 8kHz
Audio 1kHz
Cmessage weighting
Ta=25°C
VCC=3V
D
10
5
N
0
–120
–100
–80
–60
–40
–20
(dBm)
–140 –120 –100
–80
–60
—40
–20
0
(dBm)
Input level
Input level
Selectivity characteristics
Image rejection characteristics
(dB)
(dB)
80
70
60
50
40
30
20
70
60
50
40
30
20
10
0
VCC=3V
Ta=25°C
12dB SINAD=–96.1dBm
VCC=3 V
Ta=25°C
–10
–80 –60 –40 –20
0
20
40
60
80
(kHz)
–60
–40
–20
0
20
40
60
80
(kHz)
45MHz ±∆f
44.88MHz ±∆f
Detuning characteristics
Modulation characteristics
(%)
7
(%)
5
4
3
2
1
0
VCC=2.7V
Ta=25°C
VCC=2.7V
Ta=25°C
6
5
4
3
2
–15
–10
–5
0
5
10
15
0
2
4
6
8
10
12
14
16
(kHz)
Deviation
45MHz ±∆f
(kHz)
—17—
SONY [ SONY CORPORATION ]
