EEVblog #381 – How do ultrasonic delay lines work?
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How do glass ultrasonic acoustic delay lines work? The kind used in PAL video recorders.
This is part 3 of the Sony CCD Video 8 Camcorder Teardown.
PART 1: http://www.youtube.com/watch?vHiXZQNOlnnk
PART 2: http://www.youtube.com/watch?viWOToL0KIe0
Service manual: http://www.freeservicemanuals.info/en/servicemanuals/viewmanual/Sony/CCDV8AFEPART1/None/None/SERVICEMANUAL/
Forum topic: http://www.eevblog.com/forum/blog-specific/eevblog-381-how-do-ultrasonic-delay-lines-work/
This is part 3 of the Sony CCD Video 8 Camcorder Teardown.
PART 1: http://www.youtube.com/watch?vHiXZQNOlnnk
PART 2: http://www.youtube.com/watch?viWOToL0KIe0
Service manual: http://www.freeservicemanuals.info/en/servicemanuals/viewmanual/Sony/CCDV8AFEPART1/None/None/SERVICEMANUAL/
Forum topic: http://www.eevblog.com/forum/blog-specific/eevblog-381-how-do-ultrasonic-delay-lines-work/
Delay line info:
http://www.morgantechnicalceramics.com/resources/piezoelectric-ceramics-properties-and-applications/ (chapter 6.9)
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