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| TDA7338_05 Datasheet, PDF (8/12 Pages) STMicroelectronics – STEREO DECODER | |||
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TDA7338
Table 5. Programming of the Noiseblanker
PIN 1 (PROG)
Trigger Threshold
GND
LOW
OPEN
HIGH
VDD
HIGH
Figure 8. Trigger Threshold vs. VPEAK
VTH
Peak Voltage Control By Fieldstrength
ON
ON
OFF
300mV
MIN. TRIG. THRESHOLD
100mV
60mV
180mV
NOISE ADJUSTED
TRIG. THRESHOLD
0.9V
D95AU369
1.5V
VPEAK(V)
Figure 9. Behaviour of the Field Strength Controlled Threshold Adiustment
VPEAK
MONO
STEREO
â3V
TRIG. THRESHOLD
2.2V
NOISE
noisy signal
ATC_SB OFF
(PROG=VS)
D95AU370
good signal
0.9V
E'
8/12
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