Philips CEM2000/00 Service Manual page 62

7.0 Overall system performance
7.1 FM overall system performance
Antenna level equivalence: 0dBμV = 1μV
Reference deviation = 40 kHz, de-emphasis = 50 us, f
Unless otherwise specified.
Symbol Parameter
Tuning range FM Eu
Tuning step FM Eu
Tuning range FM US
Tuning step FM US
Tuning range FM Jp
Tuning step FM Jp
Tuning range FM EEu
Tuning step FM EEu
Sensitivity
S/N
Ultimate S/N
Distortion
Max deviation
Adjacent channel Selectivity
Alternate Channel Selectivity
Max. Strong Signal Interferer
3 signal performance
AM suppression
Image rejection
Logarithmic field strength
indicator
(Antenna terminal voltage with 50Ω source); no antenna dummy
rms
= 1 KHz, V
audio
Test Condition, Comments
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
(can be modified by the user)
S/N =26dB
@ 10dBu, no highcut, DISS
BW = #2
@ 60dBu, mono
@ 60dBu, Deviation = 75
kHz, mono
@ 60dBu, stereo
Deviation= 75 kHz
THD=3%
ΔF=100kHz, SINAD=30dB
desired 40 dBu, dev=40kHz,
400Hz
undesired. dev=40kHz, 1Khz
ΔF=200kHz, SINAD=30dB
desired 40 dBu, dev=40kHz,
400Hz
undesired. dev=40kHz, 1kHz
Desired = 10dBu
SINAD = 30dB
Undesired ΔF = 1MHz
Desired = 40dBu,
dev=40kHz, 400Hz,
SINAD=30dB
Undesired1 =±400kHz,
dev=40kHz, 1 kHz
Undesired2=±800kHz, no
mod
Desired = 40dBu,
dev=40kHz, 400Hz,
SINAD=30dB
Undesired1 =±1MHz,
dev=40kHz, 1 kHz
Undesired2=±2MHz, no mod
m=30%
@40 dBu
read "FM_Smeter_log"
Rev. 1.0
TDA7703/TDA7703R
= 60 dBu
rf
Limits
Min Typ
87.5
100
87.5
200
76
100
65
100
-4
TBD
75
81
73
0.05
TBD
TBD
TBD
TBD
TBD
TBD
70
70
-0.33
(equiv.
-0.3
to 37
dBu)
Units
Max
108 MHz
kHz
107.9 MHz
kHz
90 MHz
kHz
74 MHz
kHz
dBu
dB
dB
dB
dB
%
kHz
dB
dB
dBu
dBu
dBu
dB
dB
-0.27
(equiv.
-
to 43
dBu)
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