Geoffrey, you might also question the wisdom of linear interpolation here. Noise generally varies as the log of the frequency, see section 4.5.4.2, thus interpolation in the log-log domain would be more useful. Regards Oskar ---------------------------------------------------------------------- Oskar Leuthold, Corporate Applications Engineer Silicon Engineering Group Synopsys, Inc. 700 E. Middlefield Rd. Mountain View, CA 94043 650 584 5887 oskar.leuthold@synopsys.com > -----Original Message----- > From: owner-verilog-ams@eda.org > [mailto:owner-verilog-ams@eda.org] On Behalf Of Geoffrey.Coram > Sent: Monday, March 20, 2006 9:18 AM > To: VerilogAMS Reflector > Subject: noise_table question > > Section 4.5.4.3 on noise_table specifies that linear > interpolation is used (presumably for frequencies inside the > range of frequencies specified in the vector). > > What happens outside the vector? > 1) value is zero > 2) if the first pair is (fmin,val1), then for frequencies < fmin, > the value is val1; similarly if (fmax,valn) is the last pair, > then the value is valn for frequencies > fmax. > > I propose (2). > > > Also, the LRM does not specify what a "vector" is. > > -Geoffrey >Received on Mon Mar 20 09:29:15 2006
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