EEE445_hw12sln

# EEE445_hw12sln - EEE 591 Homework#12 Solutions 7.9 Design a...

This preview shows pages 1–3. Sign up to view the full content.

EEE 591 Homework #12 Solutions 7.9 Design a Wilkinson power divider with a power division ratio of 3 1 2 3 P P , and a source impedance of 50 . Solution: 5774 . 0 3 1 3 1 2 3 2 K P P K 5 . 115 1 9 . 43 6 . 131 1 0 03 2 02 3 2 0 03 K K Z R Z K Z K K Z Z 6 . 86 9 . 28 0 3 0 2 K Z R K Z R Let’s also assume that we will use quarter-wave transformers to transform the output impedances back to 50 . 8 . 65 0 . 38 0 3 3 0 2 2 Z R Z Z R Z Q Q The schematic for the ADS analysis using ideal transmission lines is shown in Figure 1. A design frequency of 4 GHz was arbitrarily chosen. The return loss looking into each port is shown in Figure 2. The power ratios 1 2 P P and 1 3 P P are shown in Figure 3. The power ratio 2 3 P P is shown in Figure 4. And the isolation between the output ports is shown in Figure 5.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
TLIN TL5 F=4 GHz E=90 Z=65.8 Ohm TL4 E=90 Z=38 Ohm R R1 R=115.5 Ohm Term Term3 Z=50 Ohm Num=3 Term2 Num=2 TL3 E=90 Z=131.6 Ohm
This is the end of the preview. Sign up to access the rest of the document.

## This note was uploaded on 12/14/2010 for the course EEE 591 taught by Professor Georgepan during the Fall '10 term at ASU.

### Page1 / 5

EEE445_hw12sln - EEE 591 Homework#12 Solutions 7.9 Design a...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online