Philips CEM5000/00 Service Manual page 78

9.1.3 Stereo blend
(continuous set)
Symbol Parameter
MaxSep Maximum stereo separation
SBFSsp Start point vs. field strength
SBFSep End point vs. field strength
Field strength-related
SBFStM2S transition time from mono to
stereo
Field strength-related
SBFStS2M transition time from stereo to
mono
SBMPsp Start point vs. multipath
SBMPep End point vs. multipath
multipath -related transition
SBMPtM2S
time from mono to stereo
multipath -related transition
SBMPtS2M
time from stereo to mono
Pil ThrM2S Pilot detector stereo threshold
Pilot detector threshold
Pil ThrHyst
hysteresis
Test Condition, Comments
field strength = 80 dBu, pilot
deviation = 6.75 kHz
separation = MaxSep - 1 dB
no multipath present
separation = 1 dB
no multipath present
Vrf step-like variation from 20
dBu to 80 dBu
Vrf step-like variation from 80
dBu to 20 dBu
separation = MaxSep - 1 dB
equivalent 19 kHz AM
modulation depth;
field strength = 80 dBu
separation = 1 dB
equivalent 19 kHz AM
modulation depth;
field strength = 80 dBu
Vrf step-like variation from 20
dBu to 80 dBu
Vrf step-like variation from 80
dBu to 20 dBu
Threshold on pilot tone
deviation for mono-stereo
transition
Difference in pil. det.
deviation threshold for stereo
to mono transition compared
to PilThrM2S
Rev. 1.0
TDA7703/TDA7703R
Range
Min Typ Max
0 40 50
20 50 60
20 30 60
0.001 3 20
0.001 0.5 20
5 10 80
5 30 80
0.001 1 20
0.001 0.001 20
0.8 2.74 7
- 0.01 -
Units
dB
dBu
dBu
s
s
%
%
s
s
kHz
kHz
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