Rainbow Electronics MAX7439 - Manual (Page 4)

MAX7438/MAX7439
Triple-Channel Video Reconstruction Filters with
Back-Porch Clamp to GND
4 _______________________________________________________________________________________
Typical Operating Characteristics (continued)
(V CC = +5V, V SS = -5V, R OUT_ = 150 Ω, R
EXT = 10k Ω, no boost, T
A = +25°C, unless otherwise noted.)
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
0.1 1 10
MAX7439
PASSBAND AMPLITUDE vs. FREQUENCY
MAX7438/9 toc04
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
BOOST 4
BOOST 3
BOOST 2
NO BOOST
BOOST 1
-50
0.1 100 10 1
MAX7438
CHANNEL RESPONSE (BYPASS MODE)
-30
-40
10
-20
0
-10
MAX7438/9 toc05
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
-50
0.1 100 10 1
MAX7439
CHANNEL RESPONSE (BYPASS MODE)
-30
-40
10
-20
0
-10
MAX7438/9 toc06
FREQUENCY (MHz)
GAIN (dB)
NORMALIZED TO 0dB
140
120
80
100
40
60
20
0
0.1 1 10
MAX7438
GROUP DELAY vs. FREQUENCY
MAX7438/9 toc07
FREQUENCY (MHz)
GROUP DELAY (ns)
140
120
80
100
40
60
20
0
0.1 1 10
MAX7439
GROUP DELAY vs. FREQUENCY
MAX7438/9 toc08
FREQUENCY (MHz)
GROUP DELAY (ns)
-0.2
-0.3
1ST 2ND 3RD 4TH 5TH 6TH
DIFFERENTIAL GAIN
-0.1
0.0
0.1
0.2
0.3
DIFFERENTIAL GAIN (%)
MAX7438/9 toc09
0.00 -0.04 -0.04 0.01 -0.02 -0.01
-0.2
-0.3
1ST 2ND 3RD 4TH 5TH 6TH
DIFFERENTIAL PHASE
-0.1
0.0
0.1
0.2
0.3
DIFFERENTIAL PHASE (DEGREES)
MAX7438/9 toc10
0.00 0.03 -0.01 0.03 -0.02 -0.02
IN_
200mv/div
200ns/div
200mv/div
OUT_
2T RESPONSE
MAX7438/9 toc11
IN_
200mv/div
200mv/div
400ns/div
OUT_
12.5T RESPONSE
MAX7438/9 toc12