TDA7407D Datasheet, PDF (11/34 Pages) STMicroelectronics – ADVANCED CAR SIGNAL PROCESSOR

Figure 5. Trigger Threshold vs.V_PEAK
VTH
TDA7407D
260mV(00)
220mV(01)
180mV(10)
140mV(11)
MIN. TRIG. THRESHOLD
ct(s) ^{8 STEPS}
65mV
30mV
0.9V
D97AU648
Prod_t(^{us) Figure 6. Deviation Controlled Trigger Adjustment}
NOISE CONTROLLED
TRIG. THRESHOLD
1.5V
VPEAK(V)
lete ^{uc VPEAK}
d (V_OP)
bso ^{Pro 00}
) ^{- O lete 2.8}
01
t(s ^{so 2.0}
c ^{b 10}
u O 1.2
d _{- 0.9}
DETECTOR OFF (11)
Pro _{t(s) D97AU649}
20 32.5
45
75
DEVIATION(KHz)
solete^{roduc Figure 7. Fieldstrength Controlled Trigger Adjustment}
b P_VPEAK
Obs^{Oolete »3V}
MONO
STEREO
NOISE
2.4V(00)
1.9V(01)
1.4V(10)
ATC_SB OFF (11)
0.9V
noisy signal
D97AU650
good signal
E'
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