<p>A bridge circuit configured for connection between a tuner circuit capable of receiving broadcast analogue frequencies and a general purpose processor capable of demodulating the received broadcast signal, the circuit comprising: a tuner interface capable of receiving at least one signal component in analogue form from tuner circuitry; an analogue to digital converter connected to receive the analogue signal from the tuner interface and convert it to a digital signal for filtering; a digital filter connected to receive and filter the digital signal; an external digital interface; and a microcontroller arranged to receive control information via said external digital interface, wherein one or more or the analogue to digital converter and the digital filter is provided with a controllably variable clock input.</p>
申请公布号
WO2009144437(A1)
申请公布日期
2009.12.03
申请号
WO2009GB00036
申请日期
2009.01.08
申请人
MIRICS SEMICONDUCTOR LIMITED;AHLUWALIA, KEITH;ATKINSON, SIMON;BUDIN, DAN;EATON, ANTHONY
发明人
AHLUWALIA, KEITH;ATKINSON, SIMON;BUDIN, DAN;EATON, ANTHONY