[amsat-bb] Is This a Connector? If so, what kind?
anderson fiveeightsixtwofive
anderson58625 at gmail.com
Sun Jan 21 09:20:22 UTC 2018
Thanks Stefan, Glenn, & Norm for the answers!
73
Mark W9AT
On Jan 21, 2018 2:28 AM, "Norm n3ykf" <normanlizeth at gmail.com> wrote:
> RF connectors are "N". The single pin animals (for power and signal)
> are feed through capacitors. Helps keep noise and bad stuff out of the
> power supply/signal input chain. Less of a mess to deal with at RF.
>
> 'PQL makes nice kits. Well documented. Currently building my way to a
> pair of amps (VHF and UHF) for the B210.
>
> The ultimate amp control board will do many of the amp control things
> natively. SWR sense, lockout, sequence (DC power, bias, RF power and
> holdoff, in that order and reverse for unkey)
>
> Relatively inexpensive to buy this kit. Slightly painful to build as
> it's SMD. Ring magnifier at a minimum. Best with a stereo microscope.
> The right tools make the job almost painless.
>
> His analog method of doing timing for the control board is pretty
> neat. Spent a few hours contemplating that circuit.
>
> Uses an LM35 to do temperature sensing. My amps run out on the edge.
> Best place to run (cleanest) them per the data sheet. Does mean that
> there's not a lot of headroom for errors and oopsies.
>
> Using VI cor 24VDC in-> 12V 5A bricks to run the chips and
> electronics. Paneltronics has 24V 5A circuit breakers to stop any
> power supply craziiness.
>
> I used Phoenix Mecanno enclosures with integral card slots. Not quite
> as pretty as a custom milled enclosure.
>
> Norm n3ykf
>
>
> On Sat, Jan 20, 2018 at 8:43 PM, anderson58625 <anderson58625 at gmail.com>
> wrote:
> > Hello!
> >
> >
> >
> > Not being especially familiar with microwave equipment, I came across a
> type
> > of connection which is currently a mystery to me. I know it is a
> > connection, but I'm not sure if it is a connector.
> >
> >
> >
> > In seeing pictures of some microwave PA's, sometimes a fine pin or pins
> are
> > on the chassis for voltage connection. But, is it a connector? If so,
> what
> > kind? (with that I can Google my way to more information)
> >
> >
> >
> > I'm guessing the connection is special to ensure insulation and the
> > integrity of chassis shielding(?), but I can't seem to find the mating
> > female connector (if that pin is indeed a connector and not just a
> > connection).
> >
> >
> >
> > I'm guessing the BB won't allow images inside a message, so there are
> some
> > examples at
> > https://forums.qrz.com/index.php?threads/150-w-ssb-23cm-1-
> 2ghz-amplifier-plu
> > s-extras.596138/ (scroll down over half way).
> >
> >
> >
> > Not being even close to needing an amp-I just got my Arrow ant. but
> haven't
> > even make a contact yet <grin>-I still must have interest or I wouldn't
> be
> > daydreaming by looking at antennas, LNA's, transverters, and PA's online.
> >
> >
> >
> > Thank you!
> >
> >
> >
> > Mark W9AT
> >
> >
> >
> >
> >
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