Draw Transmission Line using Eagle

Hi,

I am using Eagle as the PCB Design and Layout tool.I wanted to use an Antenna on the chip. For that I required a transmission line of about 50 ohm impedance between CC3200 pin and Band Pass filter. I cannot find any tool which will help me in drawing the transmission line of that particular impedance using Eagle. I need a 50 ohm transmission line but I don not know how to draw this on Eagle.

Kindly provide some guidance.

Turn to chapter 6 of attached CC3200 datasheet for seeing that 50 ohm tx line.

Thanking You.

Attachments:

cc3200 datasheet.pdf

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0 jc2048 over 9 years ago

Have you looked at these guidelines relating to their reference design for the chip?

http://www.ti.com/lit/ug/swru370a/swru370a.pdf

Look in section 4. They show how to lay out the transmission line for their particular board stack. Understand what they are doing and why even if you then want to adapt it for a different stack-up.

Curiously, on their board layout, the trace to the filter is the least critical of the rf traces (because it is so short it hardly constitutes a transmission line), so I don't know why they've singled it out on the schematic in preference to the others.
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0 jc2048 over 9 years ago

Have you looked at these guidelines relating to their reference design for the chip?

http://www.ti.com/lit/ug/swru370a/swru370a.pdf

Look in section 4. They show how to lay out the transmission line for their particular board stack. Understand what they are doing and why even if you then want to adapt it for a different stack-up.

Curiously, on their board layout, the trace to the filter is the least critical of the rf traces (because it is so short it hardly constitutes a transmission line), so I don't know why they've singled it out on the schematic in preference to the others.
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