CM5018 Datasheet, PDF (4/6 Pages) Ceramate Technical – Low Power Narrowband FM IF

CM5018
(Preliminary)
Low Power Narrowband FM IF
Figure 4. Input Limiting Voltage
1.0
VCC = 4.0 V
0
Audio Output (1.0 kHz)
– 1.0
– 2.0
– 3.0
– 4.0
– 5.0
– 6.0
0.001
0.01
0.1
1.0
INPUT SIGNAL (mVrms)
Figure 5. Overall Gain, Noise and AM Rejection
10
Referred to 0 dB for
0
S + N ± 3.0 kHz FM
–10
–20
S + N (30% AM)
–30
–40
–50
N
–60
–70
0.001
0.01
0.1
1.0
10
INPUT SIGNAL (mVrms)
70
60
50
40
30
20
10
0
1.0 k
Figure 6. Filter Amp Response
10 k
100 k
f, FREQUENCY (Hz)
1.0 M
Figure 7. Filter Amp Gain
80
70
60
50
40
30
20
10
0
0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0
VCC, SUPPLY VOLTAGE (V)
Figure 8. Supply Current
8.0
6.0
Squelch “On”
4.0
Squelch “Off”
2.0
0
0
2.0
4.0
6.0
8.0
VCC, SUPPLY VOLTAGE (Vdc)
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:[phone]
Fax:[phone]
Page 4 of 6
Email: [e-mail]
Http: www.ceramate.com.tw
Rev 0.2 Fev.13,2004