where the average received power is Prf(avg) (Ditton, 1975), These experiments have also shown that the effective aperture, ae, of a wire whose length is greater than 1/2 is approx. tely equal to the aperture of a 1/2 wave dipole or where X is the wavelength of the incident field. Note that the effective aperture is not a function of wire length, but only the wavelength of the incident field. Thus, the absorbed power does not increase with increasing wire length. A summary of the values of Prf(max) and Prf(min) that can be expected at various locations around the SPS rectenna is shown in Table 6. Based on experimental data, this table uses a shielding effectiveness of 1.0 (0 dB) for unshielded wire and 10-4 (-40 dB) for shielded wire. Table 6. Estimates of the Maximum Power Prf (max) and Average Power Prf(avg) that can be Coupled into an Integrated Circuit through a Length of Wire Greater than X/2 The difference between Prf rCmax) in Table 6 and the threshold values shown in Table 5 is given in Table 7. Positive numbers mean that the coupled power exceeds threshold and interference can be expected. Similarily, the difference between Prf(avg) and the threshold values is given in Table 8.
RkJQdWJsaXNoZXIy MTU5NjU0Mg==