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Re: Step attenuator for QRP transmitter to TinySA

 

I have two Kay 475 attenuators. They have a series of toggle switches. You can switch in 0 to 110 dB attenuation in 0.5 dB steps. The ones I have cover 0 to 1.0 GHz. They are high-quality and worth the money. They show up often on eBay.

Zack

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On Thu, Feb 11, 2021 at 4:17 PM bigusmith via <bigusmith=[email protected]> wrote:
I have a Kay Model 520 (Kay #80138) 0 - 10 scale rotary attenuator that I would like to use to allow me to test 100 Milliwatt to 5 Watt QRP transmitters using my TinySA, but I have not been able to find a spec sheet on the attenuator, so I don't know how many watts input it can handle and how much attenuation it will provide.

I, of course, do not want to overload the attenuator and/or the TinySA if I try to test my 5 watt QRP rig.? Anyone have any ideas?

EuGene, KA5NLY

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