TDA7461N Datasheet, PDF (15/31 Pages) STMicroelectronics – CAR RADIO SIGNAL PROCESSOR

Figure 14. Trigger Threshold vs. VPEAK
VTH
TDA7461N
MIN. TRIG. THRESHOLD
8 STEPS
65mV
30mV
0.9V
D97AU648
Figure 15. Deviation Controlled Trigger Adjustment
VPEAK
(V_OP)
260mV(00)
220mV(01)
180mV(10)
140mV(11)
NOISE CONTROLLED
TRIG. THRESHOLD
1.5V
VPEAK(V)
00
2.8
01
2.0
10
1.2
0.9
DETECTOR OFF (11)
D97AU649
20 32.5
45
75
Figure 16. Fieldstrength Controlled Trigger Adjustment
VPEAK
MONO
STEREO
»3V
DEVIATION(KHz)
NOISE
2.3V(00)
1.8V(01)
1.3V(10)
ATC_SB OFF (11)
0.9V
noisy signal
D98AU863
good signal
E’
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