TYPICAL PERFORMANCE CURVES
3.0
2.5
2.0
1.5
1.0
0.5
0
-20
-30
-40
-50
R
C
= 30 Ω
S
L
= 27 pF
X
-60
-70
R
= 10 Ω
S
X
R
= 75 Ω
X
S
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-80
X
-90
CHIP OFF -
ISOLATION
-100
-110
-120
R
= 10 Ω
L
10
30
100
300
1
100
10
30
FREQUENCY (MHz)
FREQUENCY
Fig. 2 All Hostile Crosstalk & Isolation
Fig. 1 Flattened Frequency Response
3.0
2.8
2.6
2.4
2.2
2.0
1.8
1.6
1.4
1.2
1.0
0.05
0.04
0.03
0.02
0.01
0
C
= 0 pF
L
dg
SW0,3 ENABLED
dp
SW1,2 ENABLED
1
10
FREQUENCY (MHz)
100 200
1
3
5
10
FREQUENCY (MHz)
Fig. 4 Input Capacitance
Fig. 3 Differential Gain & Phase
+5V
0.1
VIDEO IN 0
15
1
2
ADDRESS BIT 0
ADDRESS BIT 1
14
13
390
75
75
+5V
4.7k
GX4404
PIN 16
VIDEO IN 1
VIDEO IN 2
VIDEO IN 3
(REPEAT FOR EACH
TALLY OUTPUT)
3
CHIP SELECT
12
11
GX4404
L.E.D. DRIVER
VIDEO OUT
6
7
75
75
16
4
75
DOCUMENT
IDENTIFICATION
5
6 dB
AMPLIFIER
8
9
PRODUCT PROPOSAL
This data has been compiled for market investigation purposes
only, and does not constitute an offer for sale.
10
TO L.E.D.
DRIVERS
0.1
ADVANCE INFORMATION NOTE
-5V
This product is in development phase and specifications are
subject to change without notice. Gennum reserves the right to
remove the product at any time. Listing the product does not
constitute an offer for sale.
All resistors in ohms, all capacitors in µF unless otherwise stated
Fig. 5 Test Circuit
PRELIMINARY DATA SHEET
The product is in a preproduction phase and specifications are
subject to change without notice.
CAUTION
ELECTROSTATIC
SENSITIVE DEVICES
DATA SHEET
The product is in production. Gennum reserves the right to make
changes at any time to improve reliability, function or design, in
order to provide the best product possible.
DO NOT OPEN PACKAGES OR HANDLE
EXCEPT AT A STATIC-FREE WORKSTATION
Gennum Corporation assumes no responsibility for the use of any circuits described herein and makes no representations that they are free from patent infringement.
© Copyright July 1991 Gennum Corporation. Revision Date: January 1993. All rights reserved. Printed in Canada.
520 - 43 - 1
3
GENNUM [ GENNUM CORPORATION ]
