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參數資料
| 型號： | GX4201-CTA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Wideband, Monolithic 1x1 Video Crosspoint Switch |
| 中文描述： | 寬帶，單片1x1視頻交叉點開關 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 156K |
| 代理商： | GX4201-CTA |
X
TALLY
OUT
IN
EN
Parameter
Value
Supply Voltage
±
7.5 V
Operating Temperature Range
0
°
C
≤
T
A
≤
70
°
C
-65
°
C
≤
T
S
≤
150
°
C
Storage Temperature Range
Lead Temperature
(Soldering, 10 Sec)
260
°
C
Analog Input Voltage
-5.5 V
≤
V
IN
≤
5.5 V
Logic Input Voltage
-0.5 V
≤
V
L
≤
5.5 V
Output Load Current
12mA
High Level TALLY Output Current
2 mA
Document No. 510 - 74 - 5
GX4201 Wideband, Monolithic 1x1
Video Crosspoint Switch
CIRCUIT DESCRIPTION
The GX4201 is a wideband 1x1 video crosspoint implemented
in bipolar monolithic technology. The device is characterized
by excellent differential gain and phase in the enabled
state, and very high off-isolation in the disabled state. The
fully buffered unilateral signal path ensures negligible output
to input feedback while delivering minimal output switching
transients through make-before-break switching.
For use in NxM routing matrices, the device features a very
high, nearly constant input impedance, coupled with very
high output impedance in the disabled state. This allows
multiple GX4201's to be paralleled at the input and output
without additional circuitry. An open collector PNP to V
TALLY output provides indication of crosspoint selection.
To maximize system bandwidth, an external current source
is used to bias the output device of the crosspoint. One
external current source is required per output bus. For less
demanding applications, a load resistor can be used in
place of the output current source, causing a slight increase
in differential phase. Non-additive mixing will occur on the
output bus if more than one paralleled GX4201 is enabled
at a time.
The GX4201 is one of a series of wideband video crosspoints
utilizing Gennum's proprietary LSI process.
APPLICATIONS
very high quality video switching
HDTV
computer graphics
RF switching/routing
PCM/data routing
DATA SHEET
5
PIN 1
8
4
TALLY
GND
IN
GND
OUT
V
CC
V
EE
EN
8 PIN DIP
TOP VIEW
PIN CONNECTIONS
FEATURES
-3 dB bandwidth, 300 MHz with C
L
= 0 pF
off isolation at 100 MHz, 80 dB
differential phase and gain at 4.43 MHz, 0.01
°
&
0.02%
800
μ
W disabled power consumption
input signal levels from -2 V to +3 V
logic input compatible with TTL and 5 V CMOS
open collector TALLY output
TRUTH TABLE
EN
OUT
TALLY
0
HIGH Z
OFF
1
IN
ON
ABSOLUTE MAXIMUM RATINGS
8 PIN SOIC
1
4
5
8
EN
V
EE
V
CC
0UT
GND
IN
GND
TALLY
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-2055
Japan Branch: B-201 Miyamae Village, 2-10-42, Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3247-8838 fax (03) 3247-8839
FUNCTIONAL BLOCK DIAGRAM
PATENT PENDING
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