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GT4124, GT416-7, GT-43870-B-1

Table of contents:
Info of GT4124
Info of GT416-7
Info of GT-43870-B-1

GT4124, GT416-7, GT-43870-B-1 Selling Leads, Datasheet

MFG:GENNUM Package Cooled:DIP-20 D/C:02+

GT4124, GT416-7, GT-43870-B-1 Datasheet download

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Part Number: GT4124

MFG: GENNUM

Package Cooled: DIP-20

D/C: 02+

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GT4124 General Description

A B 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. 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:

V_OUT = V_IN • V_C + V_IN (1 - V_C)

where VC is the control input voltage, which may be varied over the control range, and VINA and VINB are the video input signals. 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. An application note entitled "Using the GT4122 and GT4124 Video Mixer ICs" (Document 520-44) is available from Gennum Corporation.

GT4124 Maximum Ratings

PARAMETER	VALUE/UNITS
Supply Voltage (V_S) Operating Temperature Range Storage Temperature Range Lead Temperature (Soldering, 10 Sec) Differential Video Input Voltage Strobe Input Voltage	± 13.5 V 0 T_A 70 -65 T_S 150 260 ±5 V V_EE ¯ VCLAMP V_CC

GT4124 Features

• 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
• ultra low differential gain and differential phase, (typically 0.01% and 0.01 deg.)
• adjustable DC offset and span on the control input
• adjustable clamp reference level
• active low STROBE input
• 20 pin PDIP and SOIC packaging.

GT4124 Typical Application

• Production switcher video mixers
• Linear Keyers

GT4124 Connection Diagram

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