Rainbow-electronics MAX2108 Manual do Utilizador descarregar pdf (Página 8)

MAX2108

Direct-Conversion Tuner IC

8 _______________________________________________________________________________________

RS

C1 C2 C3 C4

RL

ADCS

DSP

MATCHED

FILTERS

RS

L1

L1

BASEBAND LP FILTER

BASEBAND LP FILTER

L2

L2

L3

L3

0.1µF

0.1µF

RS

C1 C2 C3 C4

RL

RS

L1

L1

L2

L2

L3

L3

0.1µF

0.1µF

IOUT IOUT

MAX2108

QOUT QOUT

FOR POINTS 1, 2, 3, 4, REFER TO THE SIGNAL SPECTRUMS SHOWN IN FIGURE 2

4

3

2

1

Figure 1. In-Phase and Quadrature-Phase Signal Paths

1 2 3 4 5 6 7 8 9 10 11 12

Direct-Conversion Tuner IC 1

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