TDA7407_07 Datasheet, PDF (19/46 Pages) STMicroelectronics – Advanced car signal processor

TDA7407
Figure 4. Trigger threshold vs.V_PEAK
VTH
Noise blanker part
MIN. TRIG. THRESHOLD
8 STEPS
65mV
30mV
0.9V
D97AU648
260mV(00)
220mV(01)
180mV(10)
140mV(11)
NOISE CONTROLLED
TRIG. THRESHOLD
1.5V
VPEAK(V)
Figure 5. Deviation controlled trigger adjustment
VPEAK
(V_OP)
00
2.8
01
2.0
10
1.2
0.9
DETECTOR OFF (11)
D97AU649
20 32.5
45
75
DEVIATION(KHz)
Figure 6. Fieldstrength controlled trigger adjustment
VPEAK
MONO
STEREO
»3V
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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