Available online
Description
The programme reviews the analogue component of the course with a look at equivalent circuits, use of phasors in circuit analysis, and the use of notch and low pass filters for removing unwanted si...gnal components.
The programme reviews the analogue component of the course with a look at equivalent circuits, use of phasors in circuit analysis, and the use of notch and low pass filters for removing unwanted si...gnal components.
| Module code and title: | T283, Introductory electronics |
|---|---|
| Item code: | T283; 11 |
| First transmission date: | 15-10-1980 |
| Published: | 1980 |
| Rights Statement: | |
| Restrictions on use: | |
| Duration: | 00:23:43 |
| + Show more... | |
| Producer: | John Stratford |
| Contributors: | Mike Meade; Alan Reddish |
| Publisher: | BBC Open University |
| Keyword(s): | Electronics |
| Footage description: | Alan Reddish introduces the programme. Shots of a record player playing "Seein is believin'". David Crecraft revises the basic ideas behind the Thevenin and Norton equivalent circuits and the usefulness of sine waves as test signals. Demonstrations and circuit diagrams help him to make his points. Mike Meade follows with a demonstration which displays phasors electronically. He uses this to revise the basic ideas behind the use of phasors in circuit analysis. Mike Mead and David Crecraft then demonstrate the use of notch and low pass filters to remove unwanted components from a signal. They remove a narrow band interference signal and a wide band noise signal. An oscilloscope and a spectrum analyser are used in the demonstration. Finally, Alan Reddish concludes the programme by placing the digital and analogue sections of the course in context and by pointing out that for best results, the two techniques must be combined. |
| Master spool number: | OU 3388 |
| Production number: | FOUT061J |
| Videofinder number: | 2642 |
| Available to public: | no |
