The Newnes Circuits Series provides designers with quick reference guides to various types of circuits, and is written by a professional technical writer. Each book comes with 250-300 ready-to-use designs, with schematics and explanations.555 BEEP TRANSFORMER The simple circuit transforms the steady beep of an audible-signal device, such as a Mallory sona- lert, into a distinctive warble or chirp. The value of C2 determines just what tone color youa#39;ll get. With the l-/iF valueanbsp;...
|Author||:||Rudolf F. Graf|
|Publisher||:||Newnes - 1996|