def __init__(self, index: int,<EOL>lo_freq: float = None,<EOL>lo_freq_range: Tuple[float, float] = (<NUM_LIT:0>, float("<STR_LIT>"))):
super().__init__(index, lo_freq, lo_freq_range)<EOL>
Create new measurement (m) channel.

        Args:
            index (int): index of the channel
            lo_freq (float): default frequency of LO (local oscillator)
            lo_freq_range (tuple): feasible range of LO frequency