[450] Guess the component

[John Foege]

Thats very cool!

I love how RF design at microwave frequencies becomes so mechanically
interesting!

On Thu, Dec 28, 2023, 10:45 AM Paul Cianciolo <paulc at snet.net> wrote:

> John was the closest.
>
>
>
> The piece is a attenuator, a precision 10 GHZ attenuator 6 dB.
>
>
>
> The “dumbbell” was housed in a aluminum cylinder that kept a constant
> impedance thru the pad.
>
>
>
> The blue discs are 155 ohm resistors from the center brass ring to the out
> edge and the cylinder in the middle is a 39 ohm resistor.
>
> Those values in a PI configuration  = a 6 db attenuator…
>
>
>
> See below
>
>
>
>
>
> PaulC
>
> W1VLF
>
>
>
> Check out my  Youtube Channel W1VLF
> <https://www.youtube.com/user/W1VLF/videos>
>
>
>
>
>
> *From:* 450 [mailto:450-bounces at lists.vhfwiki.com] *On Behalf Of *Daniel
> May
> *Sent:* Wednesday, December 27, 2023 3:25 PM
> *To:* 450 List
> *Subject:* Re: [450] Guess the component
>
>
>
> Old style (antique radio) variable resistance volume control.
>
>
>
>
>
> On Wed, Dec 27, 2023, 2:42 AM John Foege <john.foege at gmail.com> wrote:
>
> I also thought "dumbbell for a dwarf"...
>
>
>
> It looks like some thru-line section for an oil filled dummy load....
>
>
>
> What is it?! Tell us!
>
>
>
> On Sun, Dec 24, 2023, 5:50 PM Robert Busino <n1ujs at toast.net> wrote:
>
> Still awaiting your last response!
>
>
>
>
>
>
> ------------------------------
>
> *From*: "Paul Cianciolo" <paulc at snet.net>
> *Sent*: Friday, December 22, 2023 2:36 PM
> *To*: 450 at lists.vhfwiki.com
> *Subject*: [450] Guess the component
>
>
>
> Hazard a guess as to what this is?
>
>
>
>
>
>
>
> PaulC
>
> W1VLF
>
>
>
> Check out my  Youtube Channel W1VLF
> <https://www.youtube.com/user/W1VLF/videos>
>
>
>
>
>
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