Difference between revisions of "Cryocable Impedance"

From MCEWiki
Line 12: Line 12:
 
:test cryostat cryo cable: 48" + 43" long, R~90 ohms (round trip) and C~180 pF between pairs
 
:test cryostat cryo cable: 48" + 43" long, R~90 ohms (round trip) and C~180 pF between pairs
 
:Flight cryostat cryo cable: 3m + 45" long, R~160 ohm (round trip) and C~350pF between pairs.
 
:Flight cryostat cryo cable: 3m + 45" long, R~160 ohm (round trip) and C~350pF between pairs.
 +
== ==
 +
back to [[Filter Box]]

Revision as of 13:05, 23 January 2014

Generally
30-50pF per meter (typically <2m)
265-Ohm, 190-Ohm, 110-Ohm (quoted from various experiments)
SCUBA-2
190-Ohm, 50-pf(?) single wire
ssa-outputs use wires with twice the diameter => 190/4=47.5 Ohm
ACT
~190 ohm
Spider
test cryostat cryo cable: 48" + 43" long, R~90 ohms (round trip) and C~180 pF between pairs
Flight cryostat cryo cable: 3m + 45" long, R~160 ohm (round trip) and C~350pF between pairs.

back to Filter Box