L64777 A LSI Logic Corporation, L64777 A Datasheet - Page 22

• Manufacturer Part Number: L64777 A
• Description: Communications, DVB QAM Modulator
• Manufacturer: LSI Logic Corporation

22
AVDD2
AVSS1
AVSS2
COMP1
COMP2
IREF1
IREF2
QAM_I
QAM_IN
QAM_Q
L64777 DVB QAM Modulator
Analog VDD Input: Q Component DAC Analog Input
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Analog VSS Input: I Component DAC
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Analog VSS Input: Q Component DAC Analog Input
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Compensation Output: I Comp. DAC Analog Output
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Compensation Output: Q Comp. DAC Analog Output
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Reference Current: I Component DAC
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Reference Current: Q Component DAC Analog Input
For usage and value, see the LSI Logic datasheet
G10
to-Analog Converter (September 1998).
Symbol I Modulation
QAM_I is the positive differential analog in-phase output
signal of the modulator.
Symbol I Modulation Inverted
QAM_IN is the corresponding inverted differential part to
QAM_I.
Symbol Q Modulation
QAM_Q is the positive differential analog quadrature
output signal of the modulator.
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Analog Output
Analog Output
Analog Output
Analog Input
Analog Input