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NJM2274AR LOW POWER VIDEO AMPLIFIER WITH Y-C MIXER
The NJM2574 is a Low Voltage Video Amplifier contained LPF circuit75 driver and internal CLAMP/BIAS SWLPF/through SW to connect TV monitor directly. The input composite signal. (0. 5Vpp) The mute circuit with power save function is suitable for low power design. The NJM2574 is suitable for down sizing of Digital Steel Cameraand DVC for small package
PHigh speed video mixer circuit - Google Patentes
A video amplifier having an on-screen display (OSD) capability uses one channel of an OSD input video signal to generate a blanking signal for blocking output of a video signal. When the blanking signal is asserted, the OSD channels provide the on-screen display. The blanking signal is generated in a high speed mixer circuit including an emitter-coupled differential pair for amplifying the OSD...
Quality Video Mixer GX4201
The modules described in this application note can be used as stand-alone multiplexers for both NTSC/PAL broadcast and any HDTV format applications. In addition, by virtue of their size, their performance and the SIP pin outs, they may be used to form larger n x m, professional video matrices. Each GX4201 device is a 1x1 video crosspoint characterised by a low distortion, unilateral...
GT4123 simple video mixer
The GT4123 and GT4123A are the first dedicated single device, two input video mixer ICs available to the professional video and multimedia markets. Each input signal is applied to a conventional differential amplifier (AMP A and AMP B). From the amplifiers, the signals are applied to analog multiplier circuits (XA and XB) whose outputs are the product of the input signals and internally...
GT4124 Video Mixer
The GT4124 is a broadcast quality monolithic integrated circuit specifically designed to linearly mix two video signals under the control of a third channel. Referring to the Functional Block Diagram, the input signals are applied to conventional differential amplifiers (AMP1 and AMP2) whose offsets are trimmed by on-chip resistors.
Video mixer GT4122
This Circuit shows the GT4122 used as a two input video mixer. An evaluation PC board has been made and the artwork is included. Using this circuit, many of the critical circuit parameters can be measured including Crossfade Balance, Linearity, Bandwidth and Differential Gain and Phase. An output amplifier is shown but is only necessary when driving low impedance loads such as co-axial...
Video Wall circuits
TV Video Circuits