Resistive Attenuators are resistive two-port networks designed for providing attenuation to the source voltage waveform while providing impedance matching at the input port and the output port. It is a memoryless linear time-invariant two-port network, and therefore, does not produce any distortion in the waveshape. The design objective of a resistive attenuator is to provide a constant attenuation to all frequency components present in the input waveform.

We distinguish two cases. In the first case, the source resistance and load resistance are equal. In the second case, these two resistances are unequal.

The attenuator may be designed by employing a symmetrical resistive two-port network when the source resistance ...

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