Skip to content
Get Revising
Search:
Keyword:
Go
Subject
Resource type:
Resource type (all)
Flashcards
Revision cards
Revision notes
Quizzes
Mindmaps
Crosswords
Organise your thinking
Quizsearches
Shared resources
Join
Join Get Revising
Start learning now
Already a member?
Please sign in
Email address
Password
Forgotten your password?
Remember my details
Log in
Create
GCSE
A Level & IB
University
Study planner
Past papers
For teachers
More cards in this set
Card 6
Front
Any filter which allows the user control over its characteristic frequency.
Back
See full card set
