U2860B-M Datasheet, PDF (7/14 Pages) ATMEL Corporation – Dual-Channel FM Sound Demodulator for TV Systems

4794A–TVVCR–02/04
U2860B-M
Figure 3. Total Harmonic Distortion
0.5
0.4
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0.2
0.1
0.0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
9.0
Frequency (MHz)
Figure 4. AM Suppression
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-10
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-80
30
40
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90
100 110 120
IF Input Level (dBµV)
Figure 5. VCO Free-running Frequency
120.0
80.0
Pin 10
open
40.0
R10 = 30k
R10 = 15k
0.0
2.0
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Frequency (MHz)
7