Rainbow-electronics MAX7473 Bedienungsanleitung PDF herunterladen (Seite 5)

MAX7472/MAX7473

HDTV Anti-Aliasing Filters with Triple-Input Mux

_______________________________________________________________________________________

-80

-60

-70

-30

-40

-50

-10

-20

0.1 101 100 1000

FREQUENCY RESPONSE (MAX7472)

MAX7472/73 toc01

FREQUENCY (MHz)

RESPONSE (dB)

CODE 40

CODE 90

CODE 220

CODE 255

-40

-50

-60

-70

-30

-10

-20

0.1 101 100 1000

FREQUENCY RESPONSE (MAX7473)

MAX7472/73 toc02

FREQUENCY (MHz)

RESPONSE (dB)

CODE 40

CODE 90

CODE 220

CODE 255

-1.5

-2.0

-2.5

-3.0

-1.0

-0.5

0.5

1.0

0.1 101100

PASSBAND FLATNESS (MAX7472)

MAX7472/73 toc03

FREQUENCY (MHz)

RESPONSE (dB)

CODE 40

CODE 255

CODE 220

CODE 90

4.5

4.0

3.5

3.0

5.0

6.0

5.5

6.5

7.0

0.1 101 100

PASSBAND FLATNESS (MAX7473)

MAX7472/73 toc04

FREQUENCY (MHz)

RESPONSE (dB)

CODE 40

CODE 255

CODE 220

CODE 90

0.1 1 10 100

GROUP DELAY

MAX7472/73 toc05

FREQUENCY (MHz)

DELAY (ns)

2T RESPONSE (1 IRE = 7.14mV)

MAX7472/73 toc06

100ns/div

MODULATED 12.5T RESPONSE

MAX7472/73 toc07

400ns/div

0.2

0.3

0.1

-0.1

-0.2

-0.3

-0.2

DIFFERENTIAL GAIN

DIFFERENTIAL PHASE

-0.1

DIFFERENTIAL PHASE (°) DIFFERENTIAL GAIN (%)

0.1

0.2

MAX7472/73 toc08

1342567

-3dB FREQUENCY vs. CONTROL CODE

CONTROL CODE

MEASURED CUTOFF FREQUENCY (MHz)

MAX7472/73 toc09

0 51 102 153 204 255

Typical Operating Characteristics

(AV

= +5V, DV

= 3.3V, R

LOAD

= 150Ω to GND, C

= 0.1µF, T

= +25°C.)

1 2 3 4 5 6 7 8 9 10 ... 18 19

MAX7472/MAX7473 1

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