Cross-posting is fine! I did not watch this the first time round but I am glad I chose to watch it today. If anyone else is thinking about buying the GPSDO in this video, it is worth emailing them with the frequencies you want from it. They can advise on whether your frequencies will be too close to some of the internal part frequencies (like the PLL) and may increase phase noise. For a small fee (and I do mean small) and a few extra days, they will select replacement parts and install them if they can find alternatives which suit your output frequency requirements better. I was pleased to use this service but have yet to deeply use the device. Thanks for the filter and to other commenters about the filter - I was wondering if I was operating too close to my scope's BW limits to have a good measurement of the waveform but you have confirmed what I observed. I will definitely condition it now.
I assume I will attract also other subscribers over time which are not subscribed to my main channel… Thank you for the info about the frequency service.
I had never heard of the E-series of preferred numbers before. I guess I should have suspected something like that given the consistency of the component values, but I never thought too deeply about it before. I love your channel because you are always opening my eyes to new things! Thank you!
Hi, the guy with the swiss attenuation curve... Just a small remark on your choice of filter type.... - Butterworth has the less ripple in the pass band, but also the less attenuation slope at a given order - Tchebychev on the other hand had much more ripple but a steeper attenuation profile As your goal was to filter a single stable frequency, Tchebychev might have been a better choice... Anyway, though wireless is not much of my taste, I do appreciate much both your channels - both I learn quite a bit, and I remember my early analog past (I'm retiring...) Very best wishes Jean
You are right with the filters. I assume here it was not too important because the harmonics to filter start with 2x the frequency. It is a pitty that you do not like wireless. It has so many opportunities!
@@HB9BLA Indeed ! When I look back to the late 70-ties/early 80-ties... even a simple PCB was complicated. I spent many hours messing with Ferric Chloride to the overwhelming joy of my mother and later my wife... Everthing is so much easier now ! What an exciting times !
I'm trying to get into morse code but am lacking the confidence to get on the air with it, I would love to build the k3ng keyer. Perhaps you will make a video on that project?
The k3ng is a simple project. I made one without all the "bells and whistles" in a small case. I propose to use a Morse decoder in parallel when you try your first QSOs. Like hat you have a backup and gain confidence.
@@HB9BLA I hate to disagree here, but in English the paddles are paddles and a key is a key. The keyer is a piece of electronics (or mechanics in the case of the mechanical keyers like the vibroflex etc) that sends a stream of dits and dahs to a rig when old rigs only had provision for a straight key. Modern rigs have the "keyer" built in. In this case the box of electronics from K3NG is in fact the keyer. There is a bit of confusion because of fully automatic desktop paddles for ships and amateurs had the keyer inside them. Paddles such as the beautiful set you have from your wife are not referred to as keyers, but paddles or external paddles ("external" in reference to the once integrated keyer/paddle module).
Cross-posting is fine! I did not watch this the first time round but I am glad I chose to watch it today. If anyone else is thinking about buying the GPSDO in this video, it is worth emailing them with the frequencies you want from it. They can advise on whether your frequencies will be too close to some of the internal part frequencies (like the PLL) and may increase phase noise. For a small fee (and I do mean small) and a few extra days, they will select replacement parts and install them if they can find alternatives which suit your output frequency requirements better. I was pleased to use this service but have yet to deeply use the device.
Thanks for the filter and to other commenters about the filter - I was wondering if I was operating too close to my scope's BW limits to have a good measurement of the waveform but you have confirmed what I observed. I will definitely condition it now.
I assume I will attract also other subscribers over time which are not subscribed to my main channel…
Thank you for the info about the frequency service.
I had never heard of the E-series of preferred numbers before. I guess I should have suspected something like that given the consistency of the component values, but I never thought too deeply about it before. I love your channel because you are always opening my eyes to new things! Thank you!
You are welcome! I always try to add some "spice" to the ordinary menu ;-)
Many thanks Andreas for the filtering explanations. I was struggling with this since a while.
Glad it was helpful!
Hi, the guy with the swiss attenuation curve...
Just a small remark on your choice of filter type....
- Butterworth has the less ripple in the pass band, but also the less attenuation slope at a given order
- Tchebychev on the other hand had much more ripple but a steeper attenuation profile
As your goal was to filter a single stable frequency, Tchebychev might have been a better choice...
Anyway, though wireless is not much of my taste, I do appreciate much both your channels - both I learn quite a bit, and I remember my early analog past (I'm retiring...)
Very best wishes
Jean
You are right with the filters. I assume here it was not too important because the harmonics to filter start with 2x the frequency.
It is a pitty that you do not like wireless. It has so many opportunities!
I am really enjoying this particular series. That filter design link and the E12 lesson is now book marked! Thanks.
Glad that the content was useful!
yay love the keyer ... Morse paddle too
It is really a nice piece of craftmanship!
The RF-Tools filter design page is one of the most useful pages on the web.
And that's a beautiful keyer; congratulations on 200K!
I like this page, too because it is easy to use. And I like the keyer, too
Impressive setup for an amazing project !
Thank you. Indeed it is amazing what we can do as individuals.
@@HB9BLA Indeed ! When I look back to the late 70-ties/early 80-ties... even a simple PCB was complicated. I spent many hours messing with Ferric Chloride to the overwhelming joy of my mother and later my wife... Everthing is so much easier now ! What an exciting times !
I'm trying to get into morse code but am lacking the confidence to get on the air with it, I would love to build the k3ng keyer. Perhaps you will make a video on that project?
The k3ng is a simple project. I made one without all the "bells and whistles" in a small case.
I propose to use a Morse decoder in parallel when you try your first QSOs. Like hat you have a backup and gain confidence.
Nice
Thank you!
That's a nice keyer. 73s w7ht
Indeed! Real mechanics.
So one lever of the morse key does dot and the other does dash ?
Yes... But they are referred to as dits and dahs.
@@russcarter9983 thanks 👍
The keyer itself only has two switches. You need electronics to create the dahs and dits ( somtetimes included in the transceivers)
Yes it is called an iambic key
Bing is my best friend. :)
Here it is Google. I have ver particular questions...
keyer or key?
Usually, simple keys are called "Straight keys" and the ones with paddles "keyers"
@@HB9BLA I hate to disagree here, but in English the paddles are paddles and a key is a key. The keyer is a piece of electronics (or mechanics in the case of the mechanical keyers like the vibroflex etc) that sends a stream of dits and dahs to a rig when old rigs only had provision for a straight key. Modern rigs have the "keyer" built in. In this case the box of electronics from K3NG is in fact the keyer. There is a bit of confusion because of fully automatic desktop paddles for ships and amateurs had the keyer inside them. Paddles such as the beautiful set you have from your wife are not referred to as keyers, but paddles or external paddles ("external" in reference to the once integrated keyer/paddle module).
HB9CH Bern 73
73 de HB9BLA
These are all repeats aren’t they ?
I crossposted the HAM related videos of my primary channel. The thumbnail of the new ones looks different (as well as the intro)
@@HB9BLA you could just include a playlist of your radio related videos from main channel on the main page of this one without the need to re-upload.
:-)
:-)