NRGkitz or Veronica 50mW circuit diagram

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Gigahertz
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NRGkitz or Veronica 50mW circuit diagram

Post by Gigahertz » Thu Oct 03, 2019 6:09 pm

Just wondering if any of you guys have a copy of either the Veronica or NRGkitz 50mW transmitter design.

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teckniqs
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by teckniqs » Thu Oct 03, 2019 10:50 pm

I haven't but back in the day I heard it was a decent little kit and works very well for what it is.

Gigahertz
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by Gigahertz » Fri Oct 04, 2019 4:39 pm

Had both versions years ago and they were decent units. Just wanted a evening project for a bit of fun.

Remember Kanga had a brief encounter with NRG but just spoken to the guy to see if he had any documentation left but it all went on to guys in London and Blackpool 🤔

1608cc
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by 1608cc » Fri Oct 04, 2019 4:57 pm

Image

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Many years ago Polish pirates made their own version called "NRGv6". It's better than original :D

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Standard version :

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Micro version :

Image
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Gigahertz
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by Gigahertz » Fri Oct 04, 2019 5:33 pm

1608cc, top man thank you 👍

radium98
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by radium98 » Sun Oct 06, 2019 7:18 am

done a few years before .two bf494
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Bton-FM
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by Bton-FM » Wed Oct 09, 2019 4:12 pm

It is in the file

Albert H
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Re: NRGkitz or Veronica 50mW circuit diagram

Post by Albert H » Thu Oct 10, 2019 12:51 am

I used to build something similar, but using a pair of FETs to really lightly load the tuned circuit. I also experimented with etched coils, but the best results were obtained with a single 12 turn coil, with taps every two turns. The coil was fiddly to make, but when you've made a couple of them, you get the hang of it. The oscillator is remarkably stable and very clean. It's a sort of first cousin of the "Kallitron" oscillator, which I first saw in a G2DAF communications receiver design. The basic version of the circuit was stable to within 100 Hz for an hour at 30 MHz, but adding a "huff and puff" stabiliser was really worthwhile because it would then stay on tune indefinitely.
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