from signalyzer import Trace

signal1 = Trace('Signal1', [-1, -128, 0, 1, 127])
signal2 = Trace('Signal2', [1, 1, 1, 0, 1])
trace = signal1 << signal2
fig = go.Figure([signal1.digital.plot(),
                 signal2.digital.plot(),
                 trace.digital.plot(mode='lines+markers')])
fig.show()