3.3/3.4 Answers to HW2 September 9, 2007
Posted by mrmackenzie in : Telecommunications , add a commentYou can get a copy of my solutions to the most recent homework exercise by clicking on the link below.
S3 Colour TV September 9, 2007
Posted by mrmackenzie in : Telecommunications , add a commentWe’ve been talking about colour tv in class and I found a few items you might want to look at. First of all, the website I used in class is available here and there is further information on combining colours here.
There is also a helpful animation of the shadow mask that stops the three electron beams from reaching the wrong phosphor dots.
S3 - How do you get a picture on a TV screen? September 4, 2007
Posted by mrmackenzie in : Telecommunications , add a commentWe’ve been looking at the demonstration picture tubes in class. Now we need to find out how to get from a single bright spot on the screen to having a picture covering the whole screen. Here is a link to the website I will be using in class to help explain how a picture is produced.
http://www.colorado.edu/physics/2000/tv/big_picture.html
S3 - shadow mask in a colour TV January 22, 2007
Posted by mrmackenzie in : Telecommunications , add a commentAn apology - I totally forgot that I had this animation on my laptop. It shows how the shadow mask prevents electrons from each gun hitting the wrong phosphor pixels on a colour tv screen.
S3 - Telecommunications unit tests January 20, 2007
Posted by mrmackenzie in : Telecommunications , add a commentHere’s a reminder of the dates we agreed in class for the end of section tests on Telecommunications.
General test - Tuesday 6 February
Credit test - Wednesday 7 February
During the week prior to the tests you will be given some time in class to try questions from previous exams.
Colour TV January 20, 2007
Posted by mrmackenzie in : Telecommunications , add a commentThis week, we looked at the way different colors are produced inside a colour tv. I found a page that might help you to see what’s going on. Have a look at it here.
How TV works January 16, 2007
Posted by mrmackenzie in : Telecommunications , add a commentIn the past week, we’ve been looking at picture tubes to see how images are formed in a TV set. Today we started to look at how a TV produces a colour image. If you would like to look again at the web page I used in class, you can find it here.
S3 Telecommunications hw2 - answers now online. December 14, 2006
Posted by mrmackenzie in : Telecommunications , add a commentYou can get your own copy of the solutions to the latest telecommunications homework by clicking on the link below. You will need the Acrobat Reader software to open the file.
Bonus marks to anyone who can tell me why I don’t like one of the questions in this exercise.
S3 - Welcome to the Telecommunications unit. November 12, 2006
Posted by mrmackenzie in : Telecommunications , 2commentsWe started work on the Telecommunications unit last week. If you want to check your progress you can use the link below to download a summary booklet on Telecommunications. The booklet contains learning statements for you to tick off as you work through the course, along with extra homework questions to test how much you have learned.
