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TDA7514 датащи(PDF) 58 Page - STMicroelectronics

номер детали TDA7514
подробное описание детали  SINGLE-CHIP FM/AM TUNER WITH STEREO DECODER AND AUDIO PROCESSOR
PDF  74 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7514 датащи(HTML) 58 Page - STMicroelectronics

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Table 65.
SUBADDRESS 19: Stereo Decoder Test Multiplexer
Table 66.
SUBADDRESS 20: ISS Weather Band Controls and Adjacent Channel thresholds
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
Stereo Decoder test signals
0OFF
1
Test signals enabled (if D7 of subaddress is also) “1”
0
External Clock
1
Internal Clock
Test signals
0000
VHCCH
0001
Smeter for ADC
0010
Pilot Magnitude
0011
VCO control voltage
0100
Pilot Threshold
0101
HOLDN
0110
NB Threshold
0111
F228
1000
VHCCL
1001
VSBL
1010
Level for NB
1011
HCC input
1100
PEAK
1101
SB input
1110
REF 5V
1111
F228
400kHz VCO OFF
0ON
1OFF
Audioprocessor test mode
0OFF
1
Enabled if D7 of subaddress is also “1”
MSB
LSB
FUNCTION
D7
D6
D5
D4
D3
D2
D1
D0
ISS weather band
0
ISS filter 20KHz (weather band) OFF
1
ISS filter 20KHz (weather band) ON
x
not used
x
not used
"ac" threshold ( + Ref3V )
0
0
0
0.25 V
0
0
1
0.35 V
0
1
0
0.45 V
---
-
1
1
1
0.95 V
"ac+" - "ac" thresholds difference
0
0
0.0 V
0
1
0.1 V
1
0
0.2 V
1
1
0.3 V



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