Kaka teknoloji mar tudruok mar optik dhi nyime e yo ma dhi nyime gi ng’wech ma malo, ng’eny mar ng’eny, kod tiyo gi teko matin, ng’iyo kod ng’iyo mar ng’iyo mar saa osebedo gima duong’ ahinya e ng’iyo mar sistem duto. Osilator mag kristal mopogore opogore, ma nigi yo makende mar oro signal, medore bedo gi gik ma kelo saa madongo e module mag optik kaka 400G / 800G optik.
I. Dwaro mag saa kod pek ma yudore e yore mag tudruok mag wang’
E sistem mag tudruok mag wang’, module mag wang’ nigi ting’ mar loko ranyisi mag stima e yoo makare mondo obed ranyisi mag wang’. Gik madongo kaka dereva mag laser, TIAs, kod sakiut mag CDR keto chike matek kuom ranyisi mag saa:
100 fs (rang’iny mar femtosekon) mondo ogeng’ medruok mar kwan mar ketho mar bit (BER).
EMI ma ok nyal geng’o: E alwora ma ng’eny ma nigi teko mar stima ma nigi ng’injo ma malo, saa ma nigi giko achiel nyalo bedo gi nyalo mar ng’injo.
2.5 ppm kata maber moloyo) e wi ng’wech ma lach (-40 digri nyaka 85 ).
II. Ber mag teknoloji mag osilator mopogore opogore mag kristal
Ka opim gi masin ma nigi giko achiel, masin ma nigi kristal mopogore opogore golo ranyisi ariyo ma opogore opogore (kaka, LVDS, LVPECL), ma bero ahinya kaka sistem tiyo:
Omedo nyalo mar kwedo - gik ma nyalo donjo
Kuong’ruok mar koko ma pile: Jogo ma rwako koko mopogore opogore golo koko ma pile (kaka lokruok mag teko kod EMI) kokalo kuom golo.
Odwoko piny ler mar EMI: Yore mag signal ma chalre weyo ng’injo mag stima, ma dwoko piny ler ma romo 20 dB.
Signal ma olosi maber
Okang’ ma malo mar tho: Lokiruok mapiyo mag ng’et ng’et ng’ato dwoko piny kinde mag ng’ado kod dok piny, ma en gima duong’ ahinya ne ng’ato ma nigi 56Gbps + SerDes.
Impedans ma chalre: Ranyisi mopogore opogore ma chal gi impedans mar 100Ω, ma miyo loso mar PCB bedo mayot.
Tiyo gi Teko Matin
60-70% teko matin moloyo ma nigi giko achiel, kendo giromo gi rang’iny mar teko ma piny kaka QSFP{5}}DD.
III. Tiyo gi Modul mag Optik
-Maduong' Maduong' mar Saa mar SerDes
Tiyo gi: Ochiwo saa mag ranyisi mag gik ma loko PAM4 kod sakiut mag CDR.
Ranyisi: Module mag 100G/400G tiyo kod osileta mopogore opogore mag 156.25 MHz kata 312.500 MHz<50 fs RMS jitter (integrated over 12 kHz–20 MHz).
Chanel mathoth-tudo kanyakla
Tiyo gi: Keto tudruok e kind chanel mang’eny (kaka, CFP2/QSFP(4}}DD).
Teknoloji maduong’: Gik ma kelo pogruok mang’eny (kaka LVDS ma nigi chanel 4) dwoko piny skew nyaka ±50 ps.
Chudo mar liet
TCXO mopogore: Oting’o gik ma ng’iyo liet kod yore mag chudo mondo ochop ±2.5 ppm ma nyalo bedo motegno e wi digri -40 nyaka digri 85 .
IV. Yore mag Oganda kod Chike mag Yiero
Teknoloji
224 GHz koro konyo module mag optik ma 1.6T.
2520 (milimita 2.5 × 2.5) kawo kar pakete 5032/7050 mag CPO (Optik ma oting’o paket).
Kodruok: Osilator ma nigi filta mag teko ma ogere kod spektrum ma landore dwoko piny pek mar sakiut.
Yore madongo mag yiero (Gred mar Oganda)
|
Paramita |
Dwaro mapile |
|
Rang' mar frekwensi |
MHz 10-3000 |
|
Kuong'ruok mar frekwensi |
±25 |
|
Jita mar kidieny |
<100 fs RMS (12k–20M) |
|
Kido mar Owuok |
LVDS/LVPECL/HCSL |
|
Liet mar Tich |
-40 digri nyaka +105 digri |
|
Tiyo gi Teko |
<80 mW (LVDS) |
1532C6-156.250K18DTSTL, 1553D-156.250K33DTSTL, 1575C-156.250K33DTSTL, 1532D-312.500J33DTL, 15533D-30
Malo-Kik/Malo-Dwaro makare
TCXO (LVDS/LVPECL): Sirien mag Hangjing chopo dwaro motegno:
|
Paramita |
Dwaro mapile |
|
Rang' mar frekwensi |
MHz 10-3000 |
|
Frekwensi makare |
± 1.0 ohinga |
|
Bedo motegno |
±2.5 ppm @ -40 digri nyaka +85 digri |
|
Jita mar kidieny |
<100 fs RMS (12k–20M) |
|
Kido mar Owuok |
LVDS/LVPECL |
|
Liet mar Tich |
-40 digri nyaka +85 digri |
|
Tiyo gi Teko |
<80 mW (LVDS) |
Ka itiyo gi masin ma nigi teko ma malo, yie mondo itud gi jo injinia mag Hangjing mondo iyud duoko ma nyalo konyogi.
Kar tieko
Osilator mag kristal mopogore opogore, ma nigi nyalo mar geng’o EMI, jitter ma piny, kod ber mag riwruok, gin gik ma dwarore ahinya e module mag optik ma nigi ng’wech ma malo. Kaka tudruok mar optik dhi nyime e kinde mar 800G / 1.6T, teknoloji mar saa ma opogore opogore biro dhi nyime gi riembo ohinga mag tich mar ng’wech.

