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GT4124-CDF PDF预览

GT4124-CDF

更新时间: 2024-11-18 03:40:03
品牌 Logo 应用领域
GENNUM 模拟计算功能信号电路光电二极管
页数 文件大小 规格书
5页 152K
描述
GT4124 Video Multiplier with Strobed DC Restore

GT4124-CDF 技术参数

生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP20,.3针数:20
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
Is Samacsys:N模拟集成电路 - 其他类型:ANALOG MULTIPLIER OR DIVIDER
标称带宽:30 MHzJESD-30 代码:R-PDIP-T20
负电源电压最大值(Vsup):-12 V负电源电压最小值(Vsup):-9 V
标称负供电电压 (Vsup):-10 V最大负输入电压:-5 V
功能数量:1端子数量:20
最高工作温度:70 °C最低工作温度:
封装主体材料:PLASTIC/EPOXY封装代码:DIP
封装等效代码:DIP20,.3封装形状:RECTANGULAR
封装形式:IN-LINE最大正输入电压:5 V
电源:+-10 V认证状态:Not Qualified
子类别:Analog Computational Functions最大供电电流 (Isup):28 mA
最大供电电压 (Vsup):12 V最小供电电压 (Vsup):9 V
标称供电电压 (Vsup):10 V表面贴装:NO
温度等级:COMMERCIAL端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
Base Number Matches:1

GT4124-CDF 数据手册

 浏览型号GT4124-CDF的Datasheet PDF文件第2页浏览型号GT4124-CDF的Datasheet PDF文件第3页浏览型号GT4124-CDF的Datasheet PDF文件第4页浏览型号GT4124-CDF的Datasheet PDF文件第5页 
GT4124 Video Multiplier  
with Strobed DC Restore  
DATA SHEET  
FEATURES  
DESCRIPTION  
broadcast quality video multiplier with a very accurate  
back porch clamp, (less than 2mV DC offset)  
30 MHz at -1.0dB video and control channel bandwidth  
one external frequency compensation adjustment  
The GT4124 multiplier is a monolithic dual-channel video  
multiplier for use in the professional broadcast field. It  
incorporates a very fast and accurate strobed clamp to  
insure black level accuracy.  
ultra low differential gain and differential phase,  
Featuring two wideband video inputs and a single control  
input, the GT4124 achieves high quality video mixing of  
the two synchronized video input signals to a single output  
by implementing the transfer function:  
(typically 0.01% and 0.01 deg.)  
adjustable DC offset and span on the control input  
adjustable clamp reference level  
active low STROBE input  
V
= VIN • V + VIN (1 - V )  
C C  
20 pin PDIP and SOIC packaging.  
OUT  
B
A
where V is the control input voltage, which may be varied  
C
APPLICATIONS  
over the control range, and VIN and VIN are the video  
A
B
input signals.  
Production switcher video mixers  
The GT4124 operates with power supply voltages of ± 9 to  
±12 volts. At a nominal supply of ± 10 volts, it draws an  
average of 20 mA of current. The GT4124 is available in  
20 pin PDIP and 20 pin SOIC packages.  
Linear Keyers  
ORDERING INFORMATION  
Part Number Package Type Temperature Range  
An application note entitled "Using the GT4122 and GT4124  
Video Mixer ICs" (Document 520-44) is available from  
Gennum Corporation.  
GT4124-CDF 20 pin PDIP  
GT4124-CKF 20 pin SOIC  
0 to 70˚  
0 to 70˚  
PIN DESIGNATION  
C
HOLD  
STROBE  
+
1
2
3
4
5
6
7
8
9
+VS  
positvive supply voltage  
clamp holding capacitor  
output freq'y comp'n R-C  
control input offset adjust  
control input offset adjust  
span adjust  
+
-
IN A  
IN A  
CLAMP  
CLAMP REF.  
CLAMP SIG.  
AMP 1  
XA  
CHOLD  
COMP  
COS1  
COS2  
S1  
-
VIDEO  
INPUT A  
COMP.  
+
+
V
CA=0.5 + V  
K
Σ4  
AMP 4  
BIAS  
Σ1  
OUTPUT  
+
+
+
IN B  
+
AMP 2  
XB  
R
EXT  
-
IN B  
-
VREF  
S2  
0.5 volt reference input  
span adjust  
VIDEO  
INPUT B  
VCB=0.5 - V  
K
VCONT  
control signal input  
ground  
+
-
V
K
+
10 GND  
Σ2  
AMP 3  
-
11 STROBE strobe input  
V
REF  
V
K
+
A
K
Σ3  
12 REXT  
13 +IN A  
14 -IN A  
current setting resistor  
+
CONTROL  
VOLTAGE  
(V  
+
-
V
S
0.5V  
A video + signal input  
A video - signal input  
0.5V  
V
+
-
)
+
-
CONT  
V
NOM  
NOM  
+
V
S
S1  
S2  
15 CLAMP SIG clamp signal  
GND  
16 CLAMP REF clamp reference  
C
OS2  
17 +IN B  
18 -IN B  
B video + signal input  
B video - signal input  
C
OS1  
Device Function: VOUT = AOL [VA (0.5+VK) + VB(0.5 - VK)] where AOL ~ 2000, VK=VCONT - VREF, AK 0.85 REXT  
19 OUTPUT video output  
RSPAN  
20 -VS  
negative supply voltage  
FUNCTIONAL BLOCK DIAGRAM  
Revision Date: February 1994  
Document No. 520 - 59 - 2  
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3 tel. (905) 632-2996 fax: (905) 632-5946  
Japan Branch: A-302 Miyamae Village, 2-10-42 Miyamae, Suginami-ku, Tokyo 168, Japan tel. (03) 3334-7700 fax: (03) 3247-8839  

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