Rainbow Electronics MAX7473 - Manual (Page 5)

MAX7472/MAX7473
HDTV Anti-Aliasing Filters with Triple-Input Mux
_______________________________________________________________________________________ 5
-80
-60
-70
-30
-40
-50
0
-10
-20
10
0.1 10 1 100 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
10
0.1 10 1 100 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
-0.5
0.5
1.0
0.1 10 1 100
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 10 1 100
PASSBAND FLATNESS (MAX7473)
MAX7472/73 toc04
FREQUENCY (MHz)
RESPONSE (dB)
CODE 40
CODE 255
CODE 220
CODE 90
40
30
20
10
0
50
70
60
80
90
0.1 1 10 100
GROUP DELAY
MAX7472/73 toc05
FREQUENCY (MHz)
DELAY (ns)
SD
HD
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
-0.1
-0.2
-0.3
-0.2
DIFFERENTIAL GAIN
DIFFERENTIAL PHASE
-0.1
DIFFERENTIAL PHASE (
°
)
D
IFFERENTIAL GAIN (%)
0.1
0.2
0
MAX7472/73 toc08
1 3 4 2 5 6 7
-3dB FREQUENCY vs. CONTROL CODE
CONTROL CODE
MEASURED CUTOFF FREQUENCY (MHz)
MAX7472/73 toc09
0 51 102 153 204 255
5
10
15
20
25
30
35
Typical Operating Characteristics
(AV
DD
= +5V, DV
DD
= 3.3V, R
LOAD
= 150Ω to GND, C
IN
= 0.1µF, T
A
= +25°C.)