SC word clock-kabel

Da femtosekund-jitter stadig var for meget jitter.

$38,000/m
SC word clock-kabel

Nøglefunktioner

  • True zero DC resistance eliminates all resistive jitter contribution
  • Meissner effect expels all magnetic interference from the clock signal path
  • Cryo-locked impedance: 77K is a thermodynamic constant — impedance cannot drift
  • Cooper pair transport ensures zero-loss clock edge propagation
  • Sub-0.01ps jitter contribution (below measurement instrument noise floor)
  • Cryo-rated rhodium-plated BNC connectors
  • Annual LN2 subscription available ($310/m/year)

Specifikationer

Leder YBCO (Yttrium Barium Copper Oxide) ceramic
DC-modstand 0.000000 Ω (below Tc)
Impedans 75Ω ±0.000% (cryo-locked)
Jitterbidrag < 0.01 ps (instrument floor)
Kritisk temperatur (Tc) 92K (−181°C)
Driftstemperatur 77K (−196°C) — liquid nitrogen
Kryostat Vacuum-jacketed, dual-wall borosilicate
Magnetisk afskarmning Meissner effect (complete flux expulsion)
LN2-forbrug ~310 liters/year per meter
Stik BNC (cryo-rated, rhodium-plated)
Bandbredde DC–500MHz
Ydre diameter 34mm (including cryostat)
Vagt 2.4 kg/m (dry), 3.1 kg/m (filled)

Word clock-distribution er den mest jittersensitive applikation i digital audio. SC Word Clock-kablet har ingen modstand. YBCO-superlederen ved 77 K bærer clocksignaler som Cooperpar — kvantkorrelerede elektronpar uden spredning. Ingen resistiv jitter. Impedansen er låst ved præcis 75 ohm ved 77 K — en termodynamisk konstant.

Meissnereffekten eliminerer magnetisk interferens. Clockkanten eksisterer i et magnetisk nulmiljø — ikke tilnærmelsesvist nul, men nul. Målt jitter under 0,01 pikosekunder, der repræsenterer instrumentets støjgulv, ikke kablets.

Med småt

  • * Requires liquid nitrogen supply. Jitter specification limited by measurement instrumentation, not by cable. Results in non-equatorial environments may vary.