TDA9809 Philips Semiconductors, TDA9809 Datasheet - Page 20

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

Philips Semiconductors
1998 Jan 08
handbook, halfpage
handbook, full pagewidth
Single standard multimedia IF-PLL and FM
radio demodulator
Fig.4
(dB)
S/N
70
60
50
40
30
20
10
0
0.06
60
Typical signal-to-noise ratio as a function of
IF input voltage.
TDA9809M
0.6
40
Fig.6 Measurement conditions and typical AFC characteristic for TV operation.
V P
20
6
14
10
I 14
V i(VIF)(rms) (mV)
V i(VIF)(rms) (dB)
V P = 5 V
22 k
60
0
22 k
MHA960
100
nF
600
20
V AFC
20
V AFC
(V)
2.5
handbook, halfpage
SC = sound carrier, with respect to sync level.
CC = chrominance carrier, with respect to sync level.
PC = picture carrier, with respect to sync level.
The sound carrier levels are taking into account
a sound shelf attenuation of 20 dB (SAW filter G1962).
( A)
I 14
200
100
100
200
27 dB
0
SC CC
13.2 dB
38.5
BLUE
Fig.5 Input signal conditions.
38.9
3.2 dB
PC
(source current)
39.3
(sink current)
Preliminary specification
27 dB
MHA961
f (MHz)
SC CC
13.2 dB
TDA9809M
YELLOW
10 dB
PC
MED685 - 1