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1 Oct 2020 00:36:28 UTC
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Testing crystal filters with a Nano VNA
Grab a few same frequency crystals and some disc ceramic capacitors and what can you make? A ladder-type crystal filter. Watch how it's done and see tests using a Nano VNA.
PS: Like these videos? Wish to support this channel? If so please store this link to Amazon Shopping as a bookmark or favourite. https://www.amazon.com/s?k=amateur+radio&camp=1789&creative=9325&linkCode=ur2&linkId=459b07464cb38819b3376396431e47d3&tag=v0108-20&ref=as_li_qf_sp_sr_tl Then when you buy something I receive a small commission (at no extra cost to you). Or check my books page to see if any appeal. https://books.vk3ye.com
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https://www.youtube.com/watch?v=0lsWqKtLTfA
PS: Like these videos? Wish to support this channel? If so please store this link to Amazon Shopping as a bookmark or favourite. https://www.amazon.com/s?k=amateur+radio&camp=1789&creative=9325&linkCode=ur2&linkId=459b07464cb38819b3376396431e47d3&tag=v0108-20&ref=as_li_qf_sp_sr_tl Then when you buy something I receive a small commission (at no extra cost to you). Or check my books page to see if any appeal. https://books.vk3ye.com
...
https://www.youtube.com/watch?v=0lsWqKtLTfA
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video/mp4
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English
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Team this super-simple receiving converter with a 3 - 5 MHz regenerative receiver for great reception of 27 CB & 28 MHz amateur activity.
Contents
0:00 Introduction
4:27 Circuit and circuit description
8:01 Inside unit
10:44 Testing sensitivity
11:25 28 MHz CW reception
11:58 27 MHz CB reception
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15:13 28 MHz FT8 reception
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PS: If you liked this video please consider supporting Amateur Radio VK3YE by:
* Subscribing on YouTube,
* Checking my books page at https://books.vk3ye.com
* Shopping on Amazon via: https://amzn.to/3iiDQXv, or
* Shopping on eBay via: https://ebay.us/i9DuWP
(then if you buy something I'll get a small commission at no cost to you)
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PS: To support this channel please start your Amazon Shopping here (no extra cost to you) https://www.amazon.com/?&_encoding=UTF8&tag=v0108-20&linkCode=ur2&linkId=76822b913d6201ba868f1e9c3c326184&camp=1789&creative=9325
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PS: To support this channel please start your Amazon Shopping here (no extra cost to you) https://www.amazon.com/?&_encoding=UTF8&tag=v0108-20&linkCode=ur2&linkId=76822b913d6201ba868f1e9c3c326184&camp=1789&creative=9325
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Use is made of material obtained through freedom of information (FOI). The material I received will become generally accessible on about 1 February 2021 via https://www.acma.gov.au/foi-disclosure-log
PS: If you liked this video please consider supporting Amateur Radio VK3YE by:
* Subscribing on YouTube,
* Checking my books page at https://books.vk3ye.com to see if any appeal,
* Shopping on Amazon via: https://amzn.to/3iiDQXv , or
* Shopping on eBay via: http://ebay.us/xOKGLE
(then if you buy something I'll get a small commission at no cost to you)
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https://www.youtube.com/watch?v=Pqi62wDe-uM
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video/mp4