Consideration on 100Gb/s C2M SerDes Equalizer
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- Elaine Lucas
- 5 years ago
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1 HSI-PR99-1 Consideration on 1Gb/s C2M SerDes Equalizer IEEE82.3ck May, 218 Hiroki Miyaoka, Toshiaki Sakai Socionext Inc. sakai_3ck_1a_518 1
2 Agenda HSI-PR Overview 2. Channel Simulation 2.1 Simulation Conditions 2.2 Channel for Simulation 2.3 Simulation Results 3. Conclusion sakai_3ck_1a_518 2
3 1. Overview HSI-PR99-1 n Feasibility of 1Gb/s C2M transmission with various channels and equalizer configurations. modulation : PAM4 # vendor module type IL (no note 1 TE OSFP -16.9dB micro-vias L2, bottom, Rx5 * dB micro-vias L2, top, Rx6 *1 3 Yamaichi "SFP"* -11.2dB no BGA footprint/breakout 4 Cisco QSFP -11.2dB "1dB" * dB "12dB" * dB "14dB" *2 * : enhanced characteristics SFP type module *1 : *2 : sakai_3ck_1a_518 3
4 HSI-PR Channel simulation 2.1 Simulation Conditions sakai_3ck_1a_518 4
5 2.1.1 Simulation Model HSI-PR99-1 victim aggressor symbol description Av, Afe, Ane Tx output amplitude : victim, FEXT, NEXT Rd single ended termination resistor Cd single ended device capacitance HFFE(f) Tx FFE transfer function S (tp), S (rp) PKG model Tx/Rx S () channel under test H Rx (f) Rx noise filter H CTLE (f) Rx CTLE transfer function η one-sided noise spec Add Dual-Dirac jitter, peak to peak Tx : before FFE Rx : considered as margin sakai_3ck_1a_518 5 σrj random jitter, RMS Tx : before FFE Rx : considered as margin
6 2.1.2 Simulation Set Up HSI-PR99-1 ü Static Channel Model Simulation ü Behavior model using MatLab ü PAM4 at 58.Gbd to see margin and other applications. (conservative) ü Jitter, noise and crosstalk are considered. ü Tx jitter, (DJ, RJ) included : Basically RJ is the same as 5G-PAM4 (conservative). ü Rx/CDR jitter (DJ, RJ) are considered as opening margin. (EW5, EH5) ü crosstalk noise in channel S-parameter ü Device noise (eta) is swept to see the effect. ü Device capacitance (Cd) = 1/6/3/fF ü Impedance are nominal : 5-ohm single ended ü T-spaced FFE ü Rx FFE parameters are set to minimize ISI. ü Rx FFE taps are swept to see effect. ü CTLE coefficients are optimized for each channel. (See back up slides.) ü PKG model is based on current design. item value unit modulation PAM4 pattern PRBS13Q baud rate 58 Gbd DJ_Tx 6 mui RJ_Tx 1 mui EOJ_Tx UI SNR_Tx 32.5 db Rt_Tx 5 ohm Tx_FFE 4/2 tap/pre Cd_Tx/Rx 1, 6, 3, ff Cp Tx/Rx extracted ff Rx FFE 5/, 25/ tap/pre Rx fr 3/4 fb Av.8 Vppd AVx 1.2 Vppd BER 1.E-5 eta 8.2E-9 V 2 /GHz DJ_Rx UI Rt_Rx 5 ohm sakai_3ck_1a_518 6
7 HSI-PR Channel simulation 2.2 Channel for Simulation sakai_3ck_1a_518 7
8 2.2 C2M : channel insertion loss HSI-PR99-1 Insertion Loss [db] CAUI-4 C2M (NRZ) Gbd PAM4 Frequency [GHz] x2 scaling 1GAUI-2 C2M (PAM4) Gbd CAUI-4 C2M 5GAUI-1 C2M "1GAUI-1 C2M" scaled 1GAUI-1 C2M (PAM4) Gbd If PAM4 modulation is selected, 1dB~12dB target insertion loss at Nyquist frequency ( GHz, scaled frequency) is an option. sakai_3ck_1a_518 8
9 HSI-PR Channel Configuration (#1/#2 TE Rx5/Rx6) TE : micro via OSFP Connector footprint is considered. No PKG footprint - With vias/footprint for 2.4mm connector No PKG footprint - With vias/footprint for 2.4mm connector added PKG model host (Tx) : 27mm PKG module (Rx) : 12mm PKG both design extracted No on-module AC coupling capacitors. sakai_3ck_1a_518 9
10 2.2.1 Channel Characteristics (#1,TE Rx5) SDD21 SDD22-8.2dB HSI-PR99-1 S-parameter [db] -2-4 SDD dB scaled 1GAUI-1 C2M SDD21-6 PSXT Frequency [GHz] TE : micro-vias L2 route bottom row victim, Rx5 sakai_3ck_1a_518 1
11 2.2.1 Channel Characteristics (#2, TE Rx6) SDD21 SDD22-8.3dB HSI-PR99-1 S-parameter [db] -2-4 SDD dB scaled 1GAUI-1 C2M SDD21-6 PSXT Frequency [GHz] TE : micro-vias L2 route top row victim, Rx6 sakai_3ck_1a_518 11
12 2.2.1 Channel Configuration (#3 Yamaichi) HSI-PR99-1 Enhanced SFP (small form factor pluggable) type connector (27mm PKG) (12mm PKG) No PKG footprint No vias Connector footprint with vias back-drilled,.254mm stub No PKG footprint No vias added PKG model host (Tx) : 27mm PKG module (Rx) : 12mm PKG both design extracted No on-module AC coupling capacitors. - On-die (receiver) AC coupling capacitors. sakai_3ck_1a_518 12
13 2.2.1 Channel Characteristics (#3 Yamaichi) - "enhanced SFP" HSI-PR99-1 Courtesy of Yamaichi Electronics Co., Ltd. SDD21 S-parameter [db] -2-4 SDD11-2.1dB SDD22-4.dB -6 PSXT scaled 1GAUI-1 C2M SDD21 PSXT Frequency [GHz] sakai_3ck_1a_518 13
14 2.2.1 Channel Configuration (#4,5,6 Cisco) HSI-PR99-1 QSFP SMT connector (27mm PKG) (12mm PKG) PKG footprint included Connector footprint is considered with vias. No PKG footprint - test fixture footprint and vias included No on-module AC coupling capacitors.(?) added PKG model host (Tx) : 27mm PKG module (Rx) : 12mm PKG both design extracted sakai_3ck_1a_
15 2.2.1 Channel Characteristics (#4, Cisco_1dB) QSFP56 SDD11-8.4dB HSI-PR99-1 Courtesy of Yamaichi Electronics Co., Ltd. SDD21 S-parameter [db] SDD dB PSXT scaled 1GAUI-1 C2M SDD Frequency [GHz] sakai_3ck_1a_518 15
16 2.2.1 Channel Characteristics (#5, Cisco_12dB) QSFP56 SDD11-8.4dB HSI-PR99-1 Courtesy of Yamaichi Electronics Co., Ltd. SDD21 S-parameter [db] SDD22-2.1dB PSXT scaled 1GAUI-1 C2M SDD Frequency [GHz] sakai_3ck_1a_518 16
17 2.2.1 Channel Characteristics (#6, Cisco_14dB) HSI-PR99-1 SDD11-7.9dB Courtesy of Yamaichi Electronics Co., Ltd. SDD21 S-parameter [db] SDD22-2.7dB PSXT scaled 1GAUI-1 C2M SDD Frequency [GHz] sakai_3ck_1a_518 17
18 2.2.2 PKG Characteristics HSI-PR99-1 Designed PKG models are used. S-parameter [db] SDD21: SDD22: SDD22 SDD11 28GHz SDD21 Frequency [GHz] simulated 27mm-trace S-parameter [db] SDD21: SDD22: SDD22 SDD11 SDD21 Frequency [GHz] simulated 12mm-trace -5 28GHz note : No xtalk is considered in these PKG models. 18 sakai_3ck_1a_518 18
19 HSI-PR Channel simulation 2.3 Simulation Results sakai_3ck_1a_518 19
20 2.3.1 Simulation Summary (channel, device cap Cd) HSI-PR99-1 EW5 [mui] Rx5_EW5 Rx6_EW5 Y_EW5 EW5 vs Cd #1 #2 #3 EW5 > 1mUI Cd [ff] EH5 [mv] Rx5_EH5 Rx6_EH5 Y_EH5 EH5 > 2mV #1 EH5 vs Cd #2 # Cd [ff] item unit #121 #128 #132 #136 #143 #148 #152 #156 #16 channel #1 TE/Rx5 #2 TE/Rx6 #3 Yamaichi Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 2
21 2.3.1 Simulation Summary (channel, device cap Cd) HSI-PR EW5 vs Cd EW5 > 1mUI EH5 vs Cd EW5 [mui] dB_EW5 12dB_EW5 14dB_EW sakai_3ck_1a_ dB_EH5 12dB_EH5 14dB_EH Cd [ff] item unit #164 #167 #172 #176 #183 #188 #192 #196 #23 #28 #212 #216 channel #4 Cisco_1dB #5 Cisco_12dB #6 Cisco_14dB Tx/Rx Cd ff EW 5 EH 5 Cd [ff] #6 #4 #5 EH5 [mv] EH5 > 2mV mid mui low mid mv low #4 #6 #5
22 2.3.1 Simulation Summary (more Rx FFE taps) HSI-PR99-1 EW5 [mui] 12 EW5 vs Rx_FFE_taps EH5 [mv] 8 EH5 vs Rx_FFE_taps EW5 > 1mUI #1 #2 Rx5_EW5 Rx6_EW #2 #1 EH5 > 2mV Rx5_EH5 Rx6_EH Rx FFE taps Rx FFE taps item unit #137 #138 #139 #14 #157 #158 #159 #16 #121 #122 #123 #124 #141 #142 #143 #144 Tx/Rx Cd ff 1 channel #1 TE/Rx5 #2 TE/Rx6 #1 TE/Rx5 #2 TE/Rx6 Rx FFE tap/pre 25/ 5/ EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 22
23 2.3.1 Simulation Summary (more Rx FFE taps) HSI-PR99-1 FFE tap coefficient Rx5_25 Rx6_25 Rx5_5 Rx6_5.4.2 bump-ball reflection Rx : 12mm PKG. -.2 c(-2) c(-1) c() c(1) ffe() ffe(1) ffe(2) ffe(3) ffe(4) ffe(5) ffe(6) ffe(7) ffe(8) ffe(9) ffe(1) ffe(11) ffe(12) ffe(13) ffe(14) ffe(15) ffe(16) ffe(17) ffe(18) ffe(19) ffe(2) ffe(21) ffe(22) ffe(23) ffe(24) -.4 Tx FFE taps Rx FFE taps - No major reflection is seen between bump and ball. - Reduction of Cd, Cp helps some, but not significant. sakai_3ck_1a_518 23
24 HSI-PR Conclusion sakai_3ck_1a_518 24
25 3. Conclusion (1/2) HSI-PR With #3 C2M channel, 58Gbd PAM4 transmission with channel seems feasible using 4-tap Tx FFE and 5-tap Rx FFE. (From host to module direction) - For 82.3ck C2M applications, will have some margin with this channel. Need further investigation. - Current model does not include PKG ball breakout effect. - From module to host direction, host Rx can have stronger equalizer (eg. more FFE taps), so it will not be a major issue. - For C2M module side receiver (Rx), equalization is quite tough, with limited number of taps, considering power and area constraints. 2. With other channel, openings become worse. - Need to reduce crosstalk, mainly. 3. PKG characteristics affect performance significantly. - IL : 8dB (5dB host, 3dB module), comparing to channel IL (13~15dB) - Need to improve. 25 sakai_3ck_1a_518 25
26 3. Conclusion (2/2) 4. Equalizer optimization in simulation is; 1 st : host Tx FFE 2 nd : module Rx CTLE/FFE - In actual implementation, following options may be required. (1) Feedback from module to host, to determine host Tx FFE coefficient. (2) Preset Tx FFE coefficient based on host channel characteristics, using simulation results 26 HSI-PR Performance, power and area in real Si implementation have to be considered. - It is a trade off issue both channel (including PKG) and SerDes design. 6. Further investigation needed. - Device parameters (Cd in COM) - Equalization - PKG parameters (Cp in COM) - Other Channel models, parameters sakai_3ck_1a_518 26
27 Thank you!
28 HSI-PR99-1 backup slides 28 sakai_3ck_1a_518 28
29 A1.1 Simulation Summary (#1, TE micro-via/rx5) HSI-PR99-1 EW5 [mui] item unit #121 #122 #123 #124 #125 #126 #127 #128 #129 #13 #131 #132 #133 #134 #135 #136 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff p1_hf p2_hf CTLE z_hf p_lf Rx z_lf ffe() ffe(1) FFE ffe(2) ffe(3) ffe(4) EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 EW5 vs Cd Cd [ff] Rx5_EW5 Rx6_EW5 EW5 > 1mUI 29 EH5 [mv] EH5 > 2mV EH5 vs Cd Rx5_EH5 Rx6_EH Cd [ff]
30 A1.2 Simulation Summary (#1, EW5, TE micro-via/rx5) HSI-PR99-1 EW5 > 1mUI EW5 [mui] EW5_ EW5_mid EW5_low Cd=1fF Cd=6fF EW5 Cd=3fF Cd=fF item unit #121 #122 #123 #124 #125 #126 #127 #128 #129 #13 #131 #132 #133 #134 #135 #136 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 3
31 A1.3 Simulation Summary (#1, EH5, TE micro-via/rx5) HSI-PR99-1 EH5 [mv] EH EH5_ EH5_mid EH5_low Cd=3fF Cd=fF 6 Cd=6fF 5 4 Cd=1fF EH5 > 2mV item unit #121 #122 #123 #124 #125 #126 #127 #128 #129 #13 #131 #132 #133 #134 #135 #136 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 31
32 A2.1 Simulation Summary (#2, TE micro-via/rx6) HSI-PR99-1 EW5 [mui] item unit #141 #142 #143 #144 #145 #146 #147 #148 #149 #15 #151 #152 #153 #154 #155 #156 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff p1_hf p2_hf CTLE z_hf p_lf Rx z_lf ffe() ffe(1) FFE ffe(2) ffe(3) ffe(4) EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 EW5 vs Cd Cd [ff] Rx5_EW5 Rx6_EW5 EW5 > 1mUI 32 EH5 [mv] EH5 > 2mV EH5 vs Cd Rx5_EH5 Rx6_EH Cd [ff]
33 A2.2 Simulation Summary (#2, EW5, TE micro-via/rx6) HSI-PR99-1 EW5 > 1mUI EW5 [mui] EW5_ EW5_mid EW5_low Cd=1fF Cd=6fF EW5 Cd=3fF Cd=fF item unit #141 #141 #142 #142 #143 #143 #144 #144 #145 #145 #146 #146 #147 #147 #148 #148 #149 #149 #15 #15 #151 #151 #152 #152 #153 #153 #154 #154 #155 #155 #156 #156 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 33
34 A2.3 Simulation Summary (#2, EH5, TE micro-via/rx6) HSI-PR99-1 EH5 [mv] 9 EH5 Cd=3fF Cd=fF 8 EH5_ EH5_mid Cd=6fF 7 EH5_low 6 Cd=1fF 5 4 EH5 > 2mV item unit #141 #142 #143 #144 #145 #146 #147 #148 #149 #15 #151 #152 #153 #154 #155 #156 #156 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 34
35 A3 Simulation Summary (#3, EW5, EH5, Yamaichi) HSI-PR99-1 item unit #16 #17 c(-2).6.7 c(-1) Tx FFE c().55.6 c(1) Tx/Rx Cd ff 1 12 Rx z_lf.3.3 ffe() p1_hf CTLE z_hf p2_hf p_lf ffe(1) FFE ffe(4) ffe(2) ffe(3) EW6 mid mui low EH6 mid mv 4 41 low EW5 mid mui low EH5 mid mv low EW4 mid mui low EH4 mid mv 82 8 low EW5 [mui] EH5 [mv] 35 EW5 Cd=1fF #16 #17 EH5 Cd=1fF #16 #17 EW5_ EW5_mid EW5_low EW5 > 1mUI EH5_ EH5_mid EH5_low EH5 > 2mV sakai_3ck_1a_518 35
36 A4.1 Simulation Summary (#4, Cisco 1dB) HSI-PR99-1 EW5 [mui] item unit #161 #162 #163 #164 #165 #166 #167 #168 #169 #17 #171 #172 #173 #174 #175 #176 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff p1_hf p2_hf CTLE z_hf p_lf Rx z_lf ffe() ffe(1) FFE ffe(2) ffe(3) ffe(4) EW5 mid mui low EH5 mid mv low dB_EW5 12dB_EW5 14dB_EW sakai_3ck_1a_518 EW5 vs Cd Cd [ff] EW5 > 1mUI EH5 [mv] EH5 > 2mV EH5 vs Cd 1dB_EH5 12dB_EH5 14dB_EH Cd [ff]
37 A4.2 Simulation Summary (#4, EW5, Cisco 1dB) HSI-PR99-1 EW5 > 1mUI EW5 [mui] EW5_ EW5_mid EW5_low Cd=6fF EW5 Cd=3fF Cd=fF 8 Cd=1fF item unit #161 #162 #163 #164 #165 #166 #167 #168 #169 #17 #171 #172 #173 #174 #175 #176 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 37
38 A4.3 Simulation Summary (#4, EH5, Cisco 1dB) HSI-PR99-1 EH5 [mv] 12 1 EH5_ EH5_mid EH5_low EH5 Cd=3fF Cd=fF 8 Cd=1fF Cd=6fF 6 4 EH5 > 2mV 2 item unit #161 #162 #163 #164 #165 #166 #167 #168 #169 #17 #171 #172 #173 #174 #175 #176 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 38
39 A5.1 Simulation Summary (#5, Cisco 12dB) HSI-PR99-1 EW5 [mui] item unit #181 #182 #183 #184 #185 #186 #187 #188 #189 #19 #191 #192 #193 #194 #195 #196 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff p1_hf p2_hf CTLE z_hf p_lf Rx z_lf ffe() ffe(1) FFE ffe(2) ffe(3) ffe(4) EW5 mid mui low EH5 mid mv low dB_EW5 12dB_EW5 14dB_EW sakai_3ck_1a_518 EW5 vs Cd Cd [ff] EW5 > 1mUI EH5 [mv] EH5 > 2mV EH5 vs Cd 1dB_EH5 12dB_EH5 14dB_EH Cd [ff]
40 A5.2 Simulation Summary (#5, EW5, Cisco 12dB) HSI-PR99-1 EW5 [mui] EW5_u pp EW5_ mid EW5 Cd=3fF Cd=fF EW5 > 1mUI 1 Cd=6fF 8 Cd=1fF item unit #181 #182 #183 #184 #185 #186 #187 #188 #189 #19 #191 #192 #193 #194 #195 #196 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 4
41 A5.3 Simulation Summary (#5, EH5, Cisco 12dB) HSI-PR99-1 EH5 [mv] 9 EH5 Cd=fF 8 7 EH5_ EH5_mid EH5_low Cd=6fF Cd=3fF 6 EW5 [mui] 5 4 Cd=1fF 3 EH5 > 2mV 2 1 item unit #181 #182 #183 #184 #185 #186 #187 #188 #189 #19 #191 #192 #193 #194 Tx/Rx Cd ff #195 # EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 41
42 A6.1 Simulation Summary (#6, Cisco 14dB) HSI-PR99-1 EW5 [mui] item unit #21 #22 #23 #24 #25 #26 #27 #28 #29 #21 #211 #212 #213 #214 #215 #216 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff p1_hf p2_hf CTLE z_hf p_lf Rx z_lf ffe() ffe(1) FFE ffe(2) ffe(3) ffe(4) EW5 mid mui low EH5 mid mv low dB_EW5 12dB_EW5 14dB_EW sakai_3ck_1a_518 EW5 vs Cd Cd [ff] EW5 > 1mUI EH5 [mv] EH5 > 2mV EH5 vs Cd 1dB_EH5 12dB_EH5 14dB_EH Cd [ff]
43 A6.2 Simulation Summary (#6, EW5, Cisco 14dB) HSI-PR99-1 EW5 [mui] 14 EW5 12 EW5_ EW5_mid EW5 > 1mUI 1 8 EW5_low Cd=6fF Cd=3fF Cd=fF 6 Cd=1fF 4 2 item unit #21 #22 #23 #24 #25 #26 #27 #28 #29 #21 #211 #212 #213 #214 Tx/Rx Cd ff #215 # EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 43
44 A6.3 Simulation Summary (#6, EH5, Cisco 14dB) HSI-PR99-1 EH5 [mv] 9 EH5 8 7 EH5_ EH5_mid EH5_low Cd=3fF Cd=fF 6 5 Cd=6fF 4 Cd=1fF 3 EH5 > 2mV 2 1 item unit #21 #22 #23 #24 #25 #26 #27 #28 #29 #21 #211 #212 #213 #214 #215 #216 Tx/Rx Cd ff EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 44
45 A7.1 Simulation Summary (Rx FFE taps, TE micro-via/rx5/rx6) HSI-PR99-1 item unit #137 #138 #139 #14 #157 #158 #159 #16 #121 #122 #123 #124 #141 #142 #143 #144 c(-2) Tx FFE c(-1) c() c(1) Tx/Rx Cd ff 1 channel TE/Rx5 TE/Rx6 TE/Rx5 TE/Rx6 p1_hf p2_hf CTLE z_hf p_lf z_lf tap/pre 25/ 5/ ffe() ffe(1) ffe(2) ffe(3) ffe(4) ffe(5) Rx ffe(6) ffe(7) ffe(8) ffe(9) ffe(1) FFE ffe(11) ffe(12) ffe(13) ffe(14) ffe(15) ffe(16) ffe(17) ffe(18) ffe(19) ffe(2) ffe(21) ffe(22) ffe(23) ffe(24) EW5 mid mui low EH5 mid mv sakai_3ck_1a_518 low
46 A7.2 Simulation Summary (EW5, Rx FFE taps, TE micro-via/rx5/rx6) HSI-PR99-1 EW5 [mui] Rx5, FFE 25/ 12 Rx6, FFE 25/ EW5 EW5_ EW5_mid EW5_low EW5 > 1mUI 1 8 Rx5, FFE 5/ Rx6, FFE 5/ item unit #137 #138 #139 #14 #157 #158 #159 #16 #121 #122 #123 #124 #141 #142 #143 #144 channel TE/Rx5 TE/Rx6 TE/Rx5 TE/Rx6 Rx FFE tap/pre 25/ 5/ EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 46
47 A7.3 Simulation Summary (EH5, Rx FFE taps, TE micro-via/rx5/rx6) HSI-PR99-1 EH5 [mv] 8 Rx5, FFE 25/ Rx6, FFE 25/ EH5 EH5_ EH5_mid EH5_low Rx5, FFE 5/ Rx6, FFE 5/ 4 EH5 > 2mV item unit #137 #138 #139 #14 #157 #158 #159 #16 #121 #122 #123 #123 #124 #124 #141 #141 #142 #142 #143 #143 #144 #144 channel TE/Rx5 TE/Rx6 TE/Rx5 TE/Rx6 Rx FFE tap/pre 25/ 5/ EW5 mid mui low EH5 mid mv low sakai_3ck_1a_518 47
48 B- Rx FFE output HSI-PR simulation results 4 log 1 (BER) bathtub curve log1(ber) Colors are corresponding to each line BER. Vdiff [mv] log 1 (BER) bathtub curve time [UI] 1UI = sakai_3ck_1a_518 48
49 B-1 Simulation Result (#121) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #121 #128 #132 #136 baud rate Gbd 58 type #1, TE/Rx5 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 49
50 B-2 Simulation Result (#128) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #121 #128 #132 #136 baud rate Gbd 58 type #1, TE/Rx5 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 5
51 B-3 Simulation Result (#132) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #121 #128 #132 #136 baud rate Gbd 58 type #1, TE/Rx5 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 51
52 B-4 Simulation Result (#136) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #121 #128 #132 #136 baud rate Gbd 58 type #1, TE/Rx5 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 52
53 B-5 Simulation Result (#143) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #143 #148 #152 #156 baud rate Gbd 58 type #2, TE/Rx6 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 53
54 B-6 Simulation Result (#148) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #143 #148 #152 #156 baud rate Gbd 58 type #2, TE/Rx6 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 54
55 B-7 Simulation Result (#152) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #143 #148 #152 #156 baud rate Gbd 58 type #2, TE/Rx6 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 55
56 B-8 Simulation Result (#156) HSI-PR99-1 Vdiff [mv] log 1 (BER) time [UI] log1(ber) log 1 (BER) item unit #143 #148 #152 #156 baud rate Gbd 58 type #2, TE/Rx6 IL no PKG*1 db w/ PKG *2 db ICN mv FFE tap/pre 4/2 Tx RJrms mui 1 SNR db 32.5 PKG trace mm 27/12 Tx/ Cd ff Rx Cp ff extracted CTLE HF/LF 2p-1z/1p-1z eta V 2 /GHz 8.2E-9 Rx fr x fb GHz 3/4 FFE tap/pre 5/ RJrms mui mid mui EW5 low EH5 mid mv low channel EW5 > 1mUI EH5 > 2mV *1 : raw *2 : fitted sakai_3ck_1a_518 56
57
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