參數(shù)資料
型號(hào): TDA7540N
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): 38/76頁
文件大?。?/td> 1225K
代理商: TDA7540N
TDA7540N
Software specification
NBON
Noise blanker enable
NBPC
Noise blanker peak charge current
NBRR
Noise blanker rectifier discharge resistor
NBSMP
Strong multipath influence on noise blanker on/off
NBT
Noise blanker time
ODCUR
Current for overdeviation-correction
ODSW
Overdeviation-correction enable
OUT
Test output (only for testing)
PC
Counter for PLL (VCO frequency)
PCM
Pilot cancellation mode
PDH
PD hold activation
PH
I/Q mixer phase adjust
PTH
Pilot threshold
QDC
Quality detector coefficient
QNG
Quality noise gain
RC
Reference counter PLL
RFAGC
FM RF AGC
RFKAGC
FM RF keying AGC
ROC
Roll-Off compensation
S
Two mode switching output enable
SBA
FM demodulator spike blanker attack mode
SBC
Stereoblend control
SBSH
FM demodulator spike blanker sample&hold mode
SBT
FM demodulator spike blanker test mode
SBTO
FM demodulator spike blanker toggle mode
SBW
FM demodulator spike blanker window mode
SI
Signal invertion
SL
S meter slider
SMODE
Two mode switching output
SMCTH
Softmute capacitor threshold for ISS “ON”
SMD
Softmute depth threshold
SMO
Softmute reference voltage offset
SMSL
S meter slope
SMTH
Softmute startpoint threshold
SSTH
Unweighted fieldstrenght threshold for seek stop
Table 11.
Control register function (continued)
Register Name
Function
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