Rainbow-electronics MAX7470 Manual do Utilizador descarregar pdf (Página 6)

MAX7469/MAX7470

HDTV Continuously Variable

Anti-Aliasing Filters

6 ________________________________________________________________________________________

(AV

= +5V, DV

= 3.3V, R

LOAD

= 150Ω to GND, C

LOAD

= 0 to 20pF to GND, C

= 0.1µF, T

= +25°C, unless otherwise noted.)

Typical Operating Characteristics (continued)

400ns/div

MODULATED 12.5T RESPONSE

(1 IRE = 7.14mV)

300mV/div

MAX7469 toc07

300mV/div

DIFFERENTIAL GAIN

MAX7469 toc08

DIFFERENTIAL PHASE (deg)

13245

0.1

0.2

-0.1

-0.2

0.1

0.2

-0.1

-0.2

DIFFERENTIAL GAIN (%)

DIFFERENTIAL PHASE

-3dB FREQUENCY

vs. CONTROL CODE

MAX7469 toc09

CODE

MEASURED -3dB FREQUENCY (MHz)

20415310251

0255

-40

-10

-15

-20

-25

-30

-35

-5

0.1 101 100 1000

BYPASS-MODE FREQUENCY RESPONSE

MAX7469 toc10

FREQUENCY (MHz)

RESPONSE (dB)

MAX7470

MAX7469

0.1 101 100

BYPASS-MODE GROUP DELAY

MAX7469 toc11

FREQUENCY (MHz)

DELAY (ns)

1 2 3 4 5 6 7 8 9 10 11 ... 16 17

MAX7469/MAX7470 1
HDTV Continuously Variable 1
Anti-Aliasing Filters 1

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