def __call__(self, band = None):
if band:
self.f0 = 1e9 * min (band)
self.f1 = 1e9 * max (band)
VI.__call__(self, self.visa, CONFIGURE, self.f0, self.f1)
VI.__call__(self, self.visa, MEASURE, self.f0, self.f1)
return self.Fetch ()
def __call__(self, frequency, power=None):
"""
Set frequency (GHz) and output power (0dBm).
"""
if power != None: self.power = power
self.session = VI.__call__(self, frequency != None, frequency, self.power, * self.session)
return frequency
def __call__(self, band=None, ref=None, bw=None, shape=None, noise=None, gain=None):
band = self.band = _default (band, self.band)
ref = self.ref = _default (ref, self.ref)
bw = self.bw = _default (bw, self.bw)
noise = self.noise = _default (noise, self.noise)
gain = self.gain = _default (gain, self.gain)
shape = self.shape = _default (shape, self.shape)
(signal, noise), peaks, margins, bw, self.visa, self.error = VI.__call__(self,
band, ref, bw, shape, noise, gain, self.visa, self.error)
return (signal, noise, peaks, margins, bw)
