PIC Video Cleaner by Mike Delaney
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** software updated 18th February 2000 **

Everyday Practical Electronics February 2000

Our PIC 16F83 design may help improve the quality of playback
of pre-recorded video tapes on some TV sets. Sometimes, the presence
of MacrovisionŽ pulses (a VCR to VCR copy protection system) on a tape
results in brightness variations or flickering. Our PIC Video Cleaner
compensates for these 'interference' pulses and can improve picture
quality, especially when a TV set which is particularly prone to
MacrovisionŽ interference is used.

Circuit is mains powered and self contained on a single PCB
with SCART in and out sockets. Cannot be used to enable VCR copying
of MacrovisionŽ-encoded tapes.

MacrovisionŽ is a registered trade mark of MacrovisionŽ Corporation

The latest version of the software is available from
ftp://ftp.epemag.wimborne.co.uk/pub/PICS/videocleaner

Please refer to the EPE web site for details of ordering back issues, subscriptions etc.
http://www.epemag.wimborne.co.uk

Last updated 18th February 2000