TDA9874A Philips Semiconductors, TDA9874A Datasheet - Page 20

• Manufacturer Part Number: TDA9874A
• Description: Digital TV sound demodulator/decoder
• Manufacturer: Philips Semiconductors

Philips Semiconductors
1999 Dec 03
S/N
B
f
dm
I
m
C/N
hys
f
t
resp
DENTIFICATION FOR
ident
on(ident)
( 3dB)
cd(dual)
cs(stereo)
AM
SYMBOL
Digital TV sound demodulator/decoder
pilot(ident)
AM
(tun)
pilot(ident)
signal-to-noise ratio
frequency response
20 Hz to 14 kHz
dual signal channel separation
stereo channel separation
AM suppression for FM
AM demodulation
pilot modulation for identification
pilot sideband C/N for
identification start
hysteresis
identification window
total identification time on
3 dB bandwidth
FM
SYSTEMS
PARAMETER
V
“CCIR468-2” ; quasi peak
from FM source to any
output
from NICAM source to any
output
from FM/NICAM to any
output; reference 1 kHz
note 3
note 4
AM: 1 kHz, 30% modulation;
reference: f
deviation
SIF level 100 mV (RMS);
54% AM; 1 kHz AF;
“CCIR468-2” ; quasi peak
B/G stereo
B/G dual
slow mode
medium mode
fast mode
o
SC1 from FM source to
any output
SC2 from FM source to
any output
SC1 during use of high
deviation mode from FM
source to any output
NICAM source
slow mode
medium mode
fast mode
slow mode
medium mode
fast mode
= 1 V (RMS);
CONDITIONS
20
i
= 1 kHz; 50 kHz
64
60
62
NICAM in accordance with
“EBU specification” ; note 2
14.5
14.5
65
40
50
36
25
116.85
116.11
114.65
273.44
272.07
270.73
2
MIN.
70
66
68
15
15
70
45
45
50
27
TYP.
Preliminary specification
TDA9874A
+1
75
2
118.12
118.89
120.46
274.81
276.20
277.60
2
1
0.5
MAX.
dB
dB
dB
kHz
kHz
dB
dB
dB
dB
dB
%
dB
Hz
Hz
Hz
Hz
Hz
Hz
s
s
s
dB
------ -
Hz
UNIT