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