參數(shù)資料
型號： L64777
廠商： LSI CORP
元件分類： 消費家電
英文描述： Digital Video Broadcasting(DVB)-Compliant,quadrature amplitude modulation (QAM)Modulator(數(shù)字視頻廣播系統(tǒng)適配的積分調(diào)幅調(diào)制器)
中文描述： SPECIALTY CONSUMER CIRCUIT, PQFP120
封裝： 32 MM, PLASTIC, QFP-120
文件頁數(shù)： 87/124頁
文件大?。?/td> 988K
代理商： L64777
Analog QAM Signals
5-7
5.7 Analog QAM Signals
AVDD1
Analog VDD Input: I Component DAC
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
Analog Input
AVDD2
Analog VDD Input: Q Component DAC Analog Input
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
AVSS1
Analog VSS Input: I Component DAC
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
Analog Input
AVSS2
Analog VSS Input: Q Component DAC
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
Analog Input
COMP1
Compensation Output: I Comp. DAC
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
Analog Output
COMP2
Compensation Output: Q Comp. DAC Analog Output
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
IREF1
Reference Current: I Component DAC
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
Analog Input
IREF2
Reference Current: Q Component DAC Analog Input
For usage and value, see the LSI Logic datasheet
G10
-p CW900100 10-bit Direct Digital Synthesis Digital-
to-Analog Converter (September 1998).
QAM_I
Symbol I Modulation
QAM_I is the positive differential analog in-phase output
signal of the modulator.
Analog Output
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