Modified W-PMLG
User Manual Version 002 BRUKER BIOSPIN 287 (327)
Setup 23.3
Fine tuning is done in the same way as with the original sequence, except that the
carrier is placed on a convenient position within the spectrum. There is no need to
minimise the carrier spike, it should be all gone. Somewhat higher power is re
-
quired for the wpmlg-shapes.
Parameter Settings for PMLG and DUMBO 23.4
Table 23.2. PMLG, Analog Mode
Parameter Value Comment
pulprog wpmlga2 Runs on AV 3 instruments only.
pl12
sp1
for 100 kHz RF field
dto, set cnst20=100 000 To be optimized during setup.
spnam1 m5m or m5p
p1 2.5 µsec As for 100 kHz RF field.
p8 1.2 µsec
p9 4 – 2.6 µsec To be optimized.
p5 not used calculated from cnst20 To be optimized.
d1 4s For α-glycine.
l11=anavpt 4 2, 4, 8, 16 or 32.
o1p 3 - 8 To be optimized.
swh 1e
6
/2*(2*p9+10*p5)*0.47 To be corrected for proper scaling.
rg 16-64
td 512 Up to 1024.
si 4k
digmod analog
MASR 12-15 kHz Depending on cycle time.