Tesi etd-11192018-173220 |
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Tipo di tesi
Tesi di laurea magistrale
Autore
FIGHERA, VALERIO
URN
etd-11192018-173220
Titolo
A CMOS Current Sense circuit for Class-BD Audio Amplifiers
Dipartimento
INGEGNERIA DELL'INFORMAZIONE
Corso di studi
INGEGNERIA ELETTRONICA
Relatori
relatore Prof. Bruschi, Paolo
correlatore Prof. Piotto, Massimo
correlatore Prof. Piotto, Massimo
Parole chiave
- Class BD amplifiers
- Current Sensing
- High Side Current Sensing
Data inizio appello
11/12/2018
Consultabilità
Non consultabile
Data di rilascio
11/12/2088
Riassunto
The problem of current sensing is a widespread one in modern electronic devices, mobile devices especially.
In audio applications, it is important to have a measurement of the current flowing into the audio speaker to perform an appropriate control and apply safety algorithms.
This thesis deals with this problem, starting with a study of some previously used solutions. Furthermore, an investigation for some possible, alternative approaches is done. Eventually the design of one of these architectures is proposed along with conclusions, problems and future development of the IP.
In audio applications, it is important to have a measurement of the current flowing into the audio speaker to perform an appropriate control and apply safety algorithms.
This thesis deals with this problem, starting with a study of some previously used solutions. Furthermore, an investigation for some possible, alternative approaches is done. Eventually the design of one of these architectures is proposed along with conclusions, problems and future development of the IP.
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