def rf(exp, length):
exp.ttl_pulse(5e-6, value=1) # gate 2**0
exp.ttl_pulse(length, value=3) # gate+rf 2**0+2**1
from pylab import arange, log, exp, polyval, load, concatenate, array
from random import shuffle
import pickle
def gradient(t_pfg, grad):
"""
Calculate dac_value
"""
dac_value = (grad)/6.649e-5
return int(dac_value)
def rf(exp, length):
"""
Short form for making a RF pulse
"""
exp.ttl_pulse(5e-6, value=1) # gate 2**0
exp.ttl_pulse(length, value=3) # gate+rf 2**0+2**1
def pfg_exp(frequency, # Frequency
f0, # Resonance frequency
pi, # Pi pulse length
pi_h, # Pi/2 pulse length
grad_G, # Gradient stength
grad_F, # Gradient strength
t_pfg, # Gradient pulse length
read_gradient, # Read gradient strength
delta1, # Time before gradient
delta2, # Time after gradient
akku, # Current accumulation
Delta, # Time Delta between RF pulses 3 and 4
no_akku, # Total number of accumulation
