IEEE Std 802.3ch-2020 pdf free download

IEEE Std 802.3ch-2020 pdf free download.IEEE Standard for Ethernet Amendment 8: Physical Layer. Specifications and Management Parameters for 2.5 Gb/s, 5 Gb/s, and 10 Gb/s Automotive Electrical Ethernet.
The PD DUT is connected to a power supply through a dc bias coupling network as shown in Figure 104-9. The ripple and transient specifications for a Type A or Type C PD shall be met for all operating voltages in the range of VPD sourced through a dc bias coupling network with MDI return loss as specified by Equation (96—12), and over the range of Pp. The ripple and transient specifications for a Type B PD shall be met for all operating voltages in the range of VPD sourced through a dc bias coupling network with MDI return loss as specified by Clause 97. and over the range of PD• The ripple and transient specifications for a Type E PD shall be met for all operating voltages in the range of Vp1) sourced through a dc bias coupling network with MDI return loss as specified by Clause 146, and over the range of Pp1). The ripple and transient specifications for a Type F PD shall he met for all operating voltages in the range of V sourced through a dc biaçpupling network with MDI return loss as specified by Clause 149. and oyejjhe range of
A digital oscilloscope or data acquisition module with a differential probe is used to observe the voltage at the M1)I/PI. The input impedance, Zm(J), and transfer function, H1(J). of the differential probe are specified by Equation (104—I) and lquation (104—2), respectively. When measuring the ripple voltage for a Type A or Type C PD as specified by Table 104—7 item (3a), / 31.8 kFIz± 1%. When measuring the ripple voltage tbr a Type B or Type F PD as specified by Table 1(4—7 item (3a). 11 = 318 kflz± 1%. When measuring the ripple voltage for a Type E PD as specified by Table 104—7 item (3a),J = 3.18 kHz ± 1%.
When measuring the ripple voltages for a Type A or Type C PD as specified by Table 104—7 item (3b). the voltage observed at the MDI P1 with the differential probe where f 31.8 kHz± 1% shall be post-processed with transfer function -‘V) specified in Equation (l04-3) whereh = I MFIz ± 1%. When measuring the ripple voltages for a Type B or Type F PD as specified by Table 104—7 item (3b), the voltage observed at the MDI/Pl with the differential probe wherefj = 318 kHz ± 1% shall be post-processed with transfer function H,(/) specified in Equation (104-3) wheref, = 10 Mhz ± 1%. When measuring the ripple voltages for a Type E PD as specified by Table 104—7 item (3b). the voltage observed at the MDI/Pl with the differential probe where f = 3.18 kHz ± 1% shall be post-processed with transfer function H,J) specified in Equation (1043)whereh = 0.1 MHz± 1%.IEEE Std 802.3ch-2020 pdf free download.