;4.1) Program: 	1H background suppression
;Description: 	Probehead background suppression in 1H one-pulse spectra
;Requires: 	!;  static or MAS spectra
;Reference(s):	Chen & KSR, Solid State NMR 26, 11-15 (2004)


;sronep.ksr
;from srFonecho.ksr
;from sronecdd.ksr
;one-pulse excitation of 13C, and Hahn echo
;with cw proton decoupling
;pl12 is power level for decoupling on F2


 "d13=0.001s/l30 - p1/2 - p2/2"  ;exactly tr from center to center of pulses

1 ze
2 d1 			;recycle delay

  10u pl1:f1		;preselect pl1 drive power level for F1

  p1:f1 ph2		;90 13C excitation pulse
   d3 			;deadtime protection

  2u:f1 ph0		;dead time delay, reset RF phase to detect
  go=2 ph31		;start ADC with ph31 signal routing

 wr #0
exit

ph0= 0
ph2= 1 3 2 0 3 1 0 2   ;13C 90 excitation
ph31= 0 2 1 3 2 0 3 1   ;RCPH