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<html> <head> <title>RFID-Bulletin Board: Re: BPSK Load modulation (C modulation), Klaus Finkenzeller at 10/11/2000 12:02</title> <!-- Anfang Header --><!-- Ende Header --> </head> <BODY BGCOLOR="#fffcf4"><!-- Anfang BeitragsseitenKopf --><!-- Ende BeitragsseitenKopf --><!-- AnfangBanner --><!-- EndeBanner --><blockquote> <center> <h1>Re: BPSK Load modulation (C modulation)</h1> </center><!-- Anfang BeitragsNavigationsLeisteOben --><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><center><P><B>[ <a href="../index.htm">RFID-Bulletin Board</a> ]</B></P></center><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><!-- Ende BeitragsNavigationsLeisteOben --><p>Written by <a href="mailto:klaus.finkenzeller@web.de">Klaus Finkenzeller</a> at 11 Oct 2000 12:02:44:<p>As an answer to: <a href="182.htm">Re: What does it meant by BPSK Load modulation (extra information)</a> written by Tommy Jackson at 30 Sep 2000 18:30:08:<p>>Dear Klaus,<br>>After reading the circuit, I have a question about the circuit.<br>>That is, what is the C mode in the circuit?<p>Dear Tommy,<p>loadmodulation is done by varying the circuit parameters of the transponder resonant circuit in time with the data stream. Of all these circuit parameters only two can be altered: the load resistance RL and the parallel capitance C. Therefore we can distinguish between ohmic (or real) and capacitve load modulation (= C mode).<br>The circuit allows to select either one, or a combination of both load modulation types.<p>with best wishes,<br>Klaus<br><br><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><form method=POST action="http://f16.parsimony.net/forum26490/wwwforum.cgi?formular"><input type=hidden name="followup" value="179,180,181,182,187"><input type=hidden name="origname" value="Klaus Finkenzeller"><input type=hidden name="origemail" value="klaus.finkenzeller@web.de"><input type=hidden name="origsubject" value="Re: BPSK Load modulation (C modulation)"><input type=hidden name="origdate" value="11 Oct 2000 12:02:44"><input type=hidden name="subject" value="Re: BPSK Load modulation (C modulation)"><input type=hidden name="body" value=">>Dear Klaus,>>After reading the circuit, I have a question about the circuit.>>That is, what is the C mode in the circuit?>Dear Tommy,>loadmodulation is done by varying the circuit parameters of the transponder resonant circuit in time with the data stream. Of all these circuit parameters only two can be altered: the load resistance RL and the parallel capitance C. Therefore we can distinguish between ohmic (or real) and capacitve load modulation (= C mode).>The circuit allows to select either one, or a combination of both load modulation types.>with best wishes,>Klaus"><input type="submit" name="abschicken" value="Write an answer"> <br><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><p><a name="followups"><B>Answers:</B></a><br><ul><!--insert: 187--></ul><!--end: 187--><!-- Anfang BeitragsNavigationsLeisteUnten --><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><center><P><B>[ <a href="../index.htm">RFID-Bulletin Board</a> ]</B></P></center><!-- AnfangLinie --><center><p><HR></p></center><!-- EndeLinie --><!-- Ende BeitragsNavigationsLeisteUnten --></blockquote><!-- Anfang BeitragsseitenFuss --><!-- Ende BeitragsseitenFuss --></body></html>⌨️ 快捷键说明
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