298 (327) BRUKER BIOSPIN User Manual Version 002
CRAMPS 2D
Table 24.4. Acquisition Parameters
Parameter Value Comment
pulprog wpmlgdqsq AV 3 instruments only, topspin 2.1 or later.
FnMODE STATES-TPPI Any other method may be used with appro-
priate changes in ppg.
NUC1, NUC2 1H
sw, swh along F1 same as for F2 Needs to be corrected before transform
pulse program calculates approximate val-
ues upon ased.
td 512-1k Depending on resolution.
1 td 128-256 Depending on resolution.
cnst31 spin rate, 10-15 000 Depending on available RF field.
l1 number of pc7-cycles 2-7 depending on dipolar coupling.
spnam1 m5m or m5p as in 1d setup DUMBO may be used with modified timing.
spnam2 lgs-2 or lgs-4 if used. Set l3=2 or 4, depending on desired sw1
DUMBER-22 with modified timing.
Table 24.5. Phases, RF-Levels and Timing
Phases Rf Power Levels Timing
φ
11,12
= POST-C7=φ
13,14
φ
11,12
incremented for DQ-
evol.
φ
11,12
incremented for DQ-
select
pl7 set for RF=7*spin rate tau1,3,4 calculated from cnst31.
φ
1
= CYCLOPS pl12 p1
φ
22
= 3 pl12 p11, ~45°
φ
23
= 1 pl12 p11
φ
10
= 0 sp1: set for 100-130 kHz RF-
field
WPMLG: calculated via cnst20
DUMBO: p10 set by xau dumbo.
φ
31
= DQ selection
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