TDA9809 Philips Semiconductors, TDA9809 Datasheet - Page 24

• Manufacturer Part Number: TDA9809
• Description: Single standard multimedia IF-PLL and FM radio demodulator
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1998 Jan 08
handbook, full pagewidth
Single standard multimedia IF-PLL and FM
radio demodulator
(1) AF level; R
(2) AF level; R
(3) AF level; R
(1) Signal.
(2) AM rejection.
(3) Noise.
(dB)
mute
10
10
20
30
0
25
Fig.13 Typical audio level, S/N ratio and AM rejection (54% FM deviation) for FM (radio).
8
8
8
= 0 .
= 5 k .
= 11 k .
Fig.12 Typical soft mute attenuation as a function of input signal at radio operation.
35
end of
level detector range
(1)
(4) AF level; R
(5) AF level; R
45
handbook, halfpage
(dB)
(2)
10
10
30
50
70
8
8
55
30
= 16 k .
= 22 k .
(2)
(1)
(3)
65
50
(3)
24
70
75
(4)
90
85
V i (dB V)
MHA967
(5)
110
95
start of
level detector range
105
V i(11) (dB V)
Preliminary specification
115
TDA9809M
MHA966
125