Multistage Wilkinson Power Divider | Qucs-S S-parameter Viewer Documentation

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# Multistage Wilkinson Power Divider

## Overview

Wideband power divider created by cascading multiple 2-way Wilkinson sections with progressively optimized impedances and resistor values.

## Topology

               ┌───[Z1, λ/4]───────[Z2, λ/4]── * * * ───[ZN, λ/4]──── Output #1
               │               |              |                   |
    Input  ────┤              [R1]           [R2]                [RN]
               │               |              |                   |
               └───[Z1, λ/4]───────[Z2, λ/4]── * * * ───[ZN, λ/4]──── Output #2

## Advantages

1. Wideband

2. High isolation

   - Maintained across BW

## Limitations

1. Larger size

2. Design complexity

3. Higher loss

   - More TL sections, higher loss

4. Cost

   - Larger PCB area

   See Also

- RF Circuit Synthesis Tools