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参数资料
| 型号： | GB4570 |
| 厂商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Monolithic Video Buffer/Clamp |
| 中文描述： | 单片视频缓冲器/钳 |
| 文件页数： | 1/5页 |
| 文件大小： | 149K |
| 代理商： | GB4570 |
The GB4570 is a high performance video buffer/clamp used
primarily for sync tip clamping of video signals. Key features
include operation from
±
4.5 to
±
13.2 V supply voltages,
±
0.1
dB flatness to 80 MHz and availability of industry standard DIP
and SOIC packages.
In a typical video application, the GB4570 clamps the sync tip
to a known voltage. The clamping level can be set for normal
sync tip clamping by connecting pin 3 to - 0.286 volts. For
applications requiring non-standard sync tip clamping, the
clamping voltage applied to pin 3 may be varied.
The GB4570 features a tight delay spread of only
±
0.15
°
at
color burst frequencies and less than
±
1 millivolts clamping
distortion.
Sync tip clamping of NTSC, PAL, SECAM and RGB
Video Signals
Input buffering and clamping
Inter-system video signal clamping
DATA SHEET
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-2055
Japan Branch: A-302, Miyamae Village, 2-10-42, Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3247-8838 fax. (03) 3247-8839
GB4570 Monolithic
Video Buffer/Clamp
FEATURES
DESCRIPTION
8 pin PDIP
8 pin SOIC
AVAILABLE PACKAGING
PIN CONNECTIONS
GND
V
IN
V
CLAMP
C
HOLD
V
CC
V
OUT
V
EE
NC
Document No. 521 - 18 - 01
accurate sync tip clamping (
±
2 mV typical)
less than 1 mV clamping distortion
variable clamping voltage (V
EE
+ 3 V to V
CC
-4.5 V)
ultra low differential gain and differential phase
less than
±
0.15
°
phase delay variation at 3.58 MHz
±
0.1 dB flatness to 80 MHz
±
4.5 to
±
13.2 V supply voltage range
1
2
3
4
8
7
6
5
GB4570
APPLICATIONS
SIMPLIFIED CIRCUIT DIAGRAM
V
CC
V
EE
V
CLAMP
50k
V
IN
COUPLING
CAP
V
OUT
C
HOLD
-
+
7
3
6
4
2
8
ORDERING INFORMATION
Part Number
Package
Temperature Range
GB4570-CDA
8 pin PDIP
0
°
to 70
°
C
GB4570-CKA
8 pin SOIC
0
°
to 70
°
C
GB4570-CTA
8 pin SOIC Tape
0
°
to 70
°
C
相关PDF资料 |
PDF描述 |
|---|---|
| GB4570-CDA | Monolithic Video Buffer/Clamp |
| GB4570-CKA | Monolithic Video Buffer/Clamp |
| GB4570-CTA | Monolithic Video Buffer/Clamp |
| GB4571-CTA | Video Buffer with Precision Strobed DC Restore |
| GB4571 | Video Buffer with Precision Strobed DC Restore |
相关代理商/技术参数 |
参数描述 |
|---|---|
| GB4570-CDA | 制造商:GENNUM 制造商全称:GENNUM 功能描述:Monolithic Video Buffer/Clamp |
| GB4570-CKA | 制造商:GENNUM 制造商全称:GENNUM 功能描述:Monolithic Video Buffer/Clamp |
| GB4570-CTA | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Monolithic Video Buffer/Clamp |
| GB4571 | 制造商:GENNUM 制造商全称:GENNUM 功能描述:Video Buffer with Precision Strobed DC Restore |
| GB4571-CDA | 制造商:GENNUM 制造商全称:GENNUM 功能描述:Video Buffer with Precision Strobed DC Restore |
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