Position: Index > Video Circuit >
  • Composite video signal text adder

    2016-09-11 10:17:0384

    This circuit shows a simple way to add text information to a composite-video signal that might be floating at some indeterminate de level. The text gen...

  • VIDEO_PROCESSOR

    2016-09-11 10:15:2361

    Analog video input from closed-circuit tv microscope is converted to binary video output by difference amplifier Q1-Q2, squaring amplifier Q3, pulse sh...

  • LR3714M (video tape recorder) infrared remote control launch

    2016-09-11 10:11:1561

    The LR3714M is designed as the infrared remote control launch circuit that can be used in the video tape recorder application. The internal circuit is ...

  • Video switch circuit

    2016-09-11 09:55:3060

    Video switch circuit is as shown. 2N4391 FET provides the circuit with only 30Ω induction -resistance and less than 0.2pF pinch-off is capacitance. Th...

  • VIDEO_PALETTE

    2016-09-11 09:39:5561

    This system consists of two parts. The main board dissects the video signal and provides independent level control for burst, chroma, luminance, and sy...

  • VIDEO_IF_AMPLIFIER_AND_LOW_LEVEL_VIDEO_DETECTOR_CIRCUIT

    2016-09-11 09:28:3661

    The circuit has a typical voltage gain of 84 dB and a typical AGC range of 80 dB. It gives very small changes in bandpass shape, usually less than 1 dB...

  • TV_video_IF_amplifier_and_synchronous_detector_for_cable_rec

    2016-09-11 08:45:3562

    This circuit shows the external connections for an LM1823, which is a video IF amplifier that is designed to operate at intermediate carrier frequencie...

  • LOW_OFFSET_SIMPLE_VIDEO_BUFFER

    2016-09-11 08:28:4660

    This circuit has proved to be an effective video buffer and will easily drive a 75-Ω load to 1.5-V p-p output. BW is better than 20 MHz and there is l...

  • UNITY_GAIN_VIDEO_SAMPLING_AMPLIFIER

    2016-09-11 07:59:5160

    Five-transistor amplifier delivers high bidirectional current, with bandwidth of 10 Mc, for amplifying incoming radar or other pulse prior to binary co...

  • Loop_through_video_cable_receiver

    2016-09-11 07:55:3760

    In this circuit, an LT1193 differential amplifier is placed across a distribution cable to extract the video signal. Common-mode signals are rejected b...

  • VIDEO_MODULATOR

    2016-09-11 06:37:1160

    National LM1889N serves to interface dudio, color difference, and luminance signals to antenna terminals of TV receiver. Circuit allows video informati...

  • VIDEO_OPERATED_CONTROLLER

    2016-09-11 06:36:4062

    If you need a timer that is programmable, precise, and will provide long delays, almost any VCR can be used without any internal modification. All that...

  • VIDEO_dc_RESTORE_CIRCUIT_

    2016-09-11 06:31:2864

    This circuit restores the black level of a monochrome composite video signal to 0 V at the beginning of every horizontal line. This circuit is also use...

  • SIMPLE_VIDEO_GRAY_SCALE_GENERATOR_EUROPEAN_LINE_STANDARD

    2016-09-11 06:31:1360

    A simple gray-scale generator (staircase waveform) can be obtained with a CD4060 counter, a 1-MHz crystal oscillator, and several resistors to act as a...

  • LB1475 (video tape recorder) two-wire wired remote control c

    2016-09-11 06:18:4362

    FeaturesYou can complete 13 kinds of remote control functions by using only two control lines between the controller and the remote control equipment.I...

  • 56M video images transmitting circuit diagram

    2016-09-11 05:52:0564

    The RF Circuits produce 56MHz frequency through colpitts feedback. The image signal passes camera collection and the internal circuit turns to analog v...

  • HD430196B (TV and video) Infrared remote control transmit ci

    2016-09-11 05:38:0362

    HD30196B is the infrared remote control transmit circuit, which is applicable to the TV and video, etc. The Internal circuit is composedofoscillator, c...

  • VIDEO SIGNAL EDGE ENHANCEMENTS

    2016-09-11 05:35:5461

    I designed this circuit many years ago, based on the claims that the technique would improve the quality of standard TV images. The circuit adds inform...

  • Video Line Driver Circuit Diagram (LT1206)

    2016-09-11 05:20:0463

    This article describes the Video Line Driver Circuit Diagram (LT1206). The content is very simple, very helpful. Components in this article can help yo...

  • AUDIO_VIDEO_SWITCHER

    2016-09-11 05:15:0161

    This circuit is a two-channel baseband video switcher. Buffer amps U1/Q1, U4/Q4, and associated components produce a buffered 75-Ω video signal, which...

  • Video Isolator Circuit Diagram

    2016-09-11 05:06:0963

    These days many more audio-visual devices in the home are connected together. This is especially the case with the TV, which may be connected to a DVD ...

  • High_frequency_video_switch

    2016-09-11 05:03:2265

    This circuit is similar to that of Fig. 3-22, except that this circuit is used when complete attenuation (rather than variable gain) is required in vid...

  • VIDEO_LINE_DRIVING_AMPLIFIER

    2016-09-11 04:30:1260

    Q1 and Q2 form a differential stage which single-ends into the LT1010. The capacitively terminated feedback divider gives the circuit a dc gain of 1, w...

  • NTSC_RGB_VIDEO_DECODER

    2016-09-11 03:57:3262

    An NTSC/RGB decoder is shown here. Using a TDA3330, 1-V input video is broken down into its R, G, B components, and composite synch. U1 is an integrate...

  • SIMPLE_AUDIO_VIDEO_CABLE_TESTER

    2016-09-11 03:49:4961

    As simple as it looks, the audio/video cable tester tests cables while they are plugged in. You can flex them vigorously while listening to the built-i...

  • TEA2014-Width band video converting switch integrated circui

    2016-09-11 03:38:4062

    TEA2014 is width band video converting switch which is widely used in television circuit to convert the video signal.1.Function features:TEA2014 has th...

  • The upcoming era of Video Telepresence

    2016-09-11 03:37:0663

    A  recent Gartner Inc survey reveals the upcomong boom in the global industry, Video Telepresence which may kill or damage the Airline and Hospitality...

  • Video monitor circuit

    2016-09-11 03:22:2360

    The monitor's wireless remote control circuit uses the T2078 receiving module, and it has the 100m four buttons launch mobile phone. The remote control...

  • FET_CASCODE_VIDEO

    2016-09-11 03:19:5863

    Use of 2N5485 FETs gives very low input loading, with feedback reduced almostto zero,Bandwidth of amplifier is limited only by load resistance and ca...

  • 100_MC_BANDWIDTH_VIDEO_AMPLIFIER

    2016-09-11 02:59:5960

    Shunt feedback networks around each stage reduce overall gain at low frequencies, trading gain for bandwidth, so that five cascaded stages give overall...

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