TDA7402_07 STMICROELECTRONICS [STMicroelectronics], TDA7402_07 Datasheet - Page 38

• Manufacturer Part Number: TDA7402_07
• Description: Car radio signal processor
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Stereo decoder part
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Figure 24. Vn timing diagram
Figure 25. Trigger threshold vs. V
Figure 26. Deviation controlled trigger adjustment
Figure 27. Field strength controlled trigger adjustment
V PEAK
» 3V
V
D C
V P E A K
NOISE
in
[V
2 .8
2 .0
1 .2
0 .9
O P
8 S T E P S
]
65m V
30m V
V TH
noisy signal
V
op
2 0
M IN . TR IG . T H R ES H OLD
T R
0.9V
MONO
3 2.5
PEAK
T HIGH
4 5
ATC_SB OFF (11)
STEREO
7 5
1.8V (01)
1.3V (10)
2.3V (00)
1.5V
N O ISE C O N T R OLLE D T R IG . TH R ES H O LD
T
F
good signal
0 0
0 1
1 0
D etector o ff (11)
D EV IA TIO N [KH z]
260m V (00)
220m V (01)
18 0m V (10)
14 0m V (11)
V P EA K [V ]
T im e
0.9V
E'
TDA7402