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STV0042A 数据表(PDF) 7 Page - STMicroelectronics

部件名 STV0042A
功能描述  SATELLITE SOUND AND VIDEO PROCESSORS
PDF  24 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STV0042A 数据表(HTML) 7 Page - STMicroelectronics

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AUDIO
DEEMPHASIS
+ ANRS
VOL OUT
AUX OUT
AUDIO PLL
AUX IN
K1a
K5b
K5c
K5a
K1c
AUDIO SWITCHING
K2
K3
a
b1
b2
ON
ON
ON
No ANRS, No De-emphasis
No ANRS, 50
µs
No ANRS, 75
µs
a
b1
b2
OFF
OFF
OFF
ANRS, No De-emphasis
ANRS, 50
µs
ANRS, 75
µs
AGC
LEVEL
DETECTOR 1
LEVEL
DETECTOR 2
FM IN
AGC R
AMPLK R
V
REF
Reg8 b4
Bias
90
0
VCO
AUDIO R
DET R
CPUMP R
SYNTHESIZER
STV0042A
Amp. Detect
SW1
Phase
Detect
V
REF
FM dev.
Select.
SW4
SW2
AGC
LEVEL
DETECTOR 1
LEVEL
DETECTOR 2
AGC L
AMPLK L
V
REF
Bias
90
0
VCO
AUDIO L
DET L
CPUMP L
Amp. Detect
SW3
Phase
Detect
V
REF
FM dev.
Select.
WATCHDOG
WATCHDOG
Reg8 b0
FM DEMODULATION BLOCK DIAGRAM
STV0042A
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