摘要 |
<p>The circuit has a power stage e.g. configuration of half-bridge, a p type power FET (21) comprising a grid with a driver (23) e.g. P type metal oxide semiconductor (MOS) driver and N type MOS (NMOS), a n type power FET (22) comprising a grid with a driver (24), reference differential voltage generators or a dedicated supply and a virtual mass. The n type power FET and the p type power FET provide the current to an external load e.g. loudspeaker of class-d type power audio amplifier.</p> |