Jeff 9V1AS Filename: BB249_67.ppt

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Building and matching a rubber ducky alternative

Jeff 9V1AS

Building and matching a rubber ducky alternative

This is how a rubber ducky looks like inside

Jeff 9V1AS

Building and matching a rubber ducky alternative

“Whip to nowhere” from Peoples Park

Jeff 9V1AS

Building and matching a rubber ducky alternative

“Whip to nowhere” from Peoples Park

Jeff 9V1AS

Building and matching a rubber ducky alternative

Impedance at 145.625 MHz

Jeff 9V1AS

Building and matching a rubber ducky alternative

Building the Inductor and measuring the cap

Jeff 9V1AS

Building and matching a rubber ducky alternative

Solution chosen

Jeff 9V1AS

Building and matching a rubber ducky alternative

Another possible solution

Jeff 9V1AS

Building and matching a rubber ducky alternative

Proof of concept

Jeff 9V1AS

Building and matching a rubber ducky alternative

Performance after matching

Jeff 9V1AS

Building and matching a rubber ducky alternative

“Deluxe” version

Jeff 9V1AS

Building and matching a rubber ducky alternative

Matching box

Jeff 9V1AS

Building and matching a rubber ducky alternative

Final“product”

Jeff 9V1AS