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General TV and Video Circuit

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Low-cost circuit biases VCOs for cable and TV

Low-cost circuit biases VCOs for cable and TV

PLLs are useful in a variety of applications, most notably cable and TV tuners. In these systems, the PLL synchronizes an output signal (typically from a VCO) with a reference or input signal, in frequency as well as in phase. The VCO in these PLLs requires a biasing circuit.

http://www.edn.com/archives/1997/112097/24di_01.htm

The Vertical Insertion Test Signals in television applying to Amateur Television

The Vertical Insertion Test Signals in television applying to Amateur Television

It can be placed in any place in the path of the video signal. The VITS generator is configurable. Lines can cross the VITS generator without modification, others are erased and recreated in the VITS generator.

http://perso.orange.fr/jf.fourcadier/television/lignes_test/lignes_test_e.htm

S-video to composite video adapter

S-video to composite video adapter

This simple adapter can be used to convert Y/C video (S-video) to a composite video. This adapter is useful in cases where your video output device has only S-video output but your signal source accepts only composite video input. This circuit works with both PAL and NTSC video standards.

http://www.tkk.fi/Misc/Electronics/circuits/svideo2cvideo.html

Miniature Black and White TV System

Miniature Black and White TV System

Build a miniature short-range wireless video system with off-the-shelf parts. The video modulator provides a simple method for interfacing the video signal to a standard TV. Transmission distance is limited to a few feet.

http://www.solorb.com/elect/video/microvid/index.html

Atari 800XL Monitor Output

Atari 800XL Monitor Output

http://www.howell1964.freeserve.co.uk/Atari/800XL/Atari_800XL_Video.htm

Atari RGB to Composite Video Converter

Atari RGB to Composite Video Converter

converts the analog RGB video signal that is output by the ST to an NTSC composite signal which can be displayed on a colour or monochrome composite monitor, or on a TV set by adding a modulator.

http://www.preromanbritain.com/gwem/martbean/ataridiy/conv.htm

Atari ST Monitor Output

Atari ST Monitor Output

http://www.howell1964.freeserve.co.uk/Atari/ST/Atari_ST_Video.htm

ATV rejection filter for R/C applications

ATV rejection filter for R/C applications

This filter is a 0.1 dB Tschebychev lowpass with a rejection of 90 dB or better at 430 MHz, and 0.2 dB insertion loss at 72 MHz. The 3 dB cutoff frequency is 120 MHz.

http://www.northcountryradio.com/Articles/rcfltr.htm

ATV Repeater Controllers

ATV Repeater Controllers

http://lea.hamradio.si/~s51kq/ATVRC-1.HTM

ATV team Slovenia

ATV team Slovenia

Live feeds from amateur television stations worldwide.

http://lea.hamradio.si/~s51kq/ATVrptLIVE.HTM


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