參數(shù)資料
型號: TDA7540NTR
廠商: STMICROELECTRONICS
元件分類: 調(diào)諧器
英文描述: 2-BAND, AUDIO TUNER, PQFP80
封裝: 14 X 14 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-80
文件頁數(shù): 37/76頁
文件大?。?/td> 1225K
代理商: TDA7540NTR
Software specification
TDA7540N
IF1T
FM/AM mixer1 tank adjust
IF2T
AM mixer2 tank adjust
IFAGC
FM IF AGC
IFCM
IF counter mode
IFENA
IF counter enable
IFG
IF1 amplifier gain (10.7MHz)
IFS
IF counter sampling time
ISSIN
Test input for ISS filter
ISSON
ISS filter “ON”
ISS30
ISS filter 30KHz weather band
ISS80
ISS filter narrow/mid switch
KAGC
FM keying AGC
LDENA
Lock detector enable
LG
Level gain adjust in stereodecoder
LM
Local mode FM seek stop
LPF
Loop filter input select
MAXHC
Maximum high cut
MENA
Softmute enable
MPAC
Adjacent channel control by multipath
MPCC
Multipath detector charge current
MPBPG
Multipath detector bandpass filter gain
MPF
Multipath filter frequency
MPG
Multipath filter gain
MPION
Multipath internal influence enable
MPOFF
Multipath control “OFF”
MPPC
Multipath influence on peak discharge current
MPRG
Multipath detector rectifier gain
MPTH
Multipath threshold
MS
Mono/Stereo switch automatically
MUXST
Test multiplexer output stereodecoder
NBCTH
Noise blanker noise controlled threshold
NBDTH
Noise blanker deviation controlled threshold
NBFS
Field strength controlled noise blanker
NBFT
AM noise blanker fixed threshold
NBLTH
Noise blanker low threshold
Table 11.
Control register function (continued)
Register Name
Function
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