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*Adam, would you tell us what the third column for CPK-3 means in the chart? Usually it reads 50 Khz, 100, 1, 5, 9 etc? * *Thanks.* *Wayne* *On Thu, Jan 11, 2024 at 9:59?PM Adam Rong

Thanks for sharing the case idea, Wayne. It took too long to ship during the holiday season perhaps because people have ordered too many gifts directly from China. I hope it will be better soon.

I received my CPK3 in the mail after five weeks. I am not sure why it took so long; maybe because of holidays around the end of the year. All the parts were there and I assembled it. It worked the

Adam instead of mucking around with? it works but it produces cruddy audio but at least? an 8 yr old an? put it together designs . Why not? get a version of the Taurus SSB /CW rx monobander sorted

And TinySA can work as a BFO as well. I suppose a fixed attenuator will be needed. Thanks, Adam

One possibility could be an option where the oscillator is permanently on and only the PA is keyed. That could allow use with a CPK-3 receiver or others that don't have their own BFO. You will however

A Nano VNA, if you have one, can work as a BFO. Demo here: https://www.youtube.com/watch?v=kJ-cj-YwflY

Thanks for the suggestions! Regarding the BFO, I use a simple generator for brief testing of some receivers. It is an antenna analyzer and can be seen at this address

As for SPAN control, Kelivin-Varley Voltage Divider was found to be worked well. I was checked the frequency range of all 60-bands with this voltage divider. The schematic is attached (sorry in

Any suggestions on how to make the BFO? I am experimenting with two different ideas for the SPAN control.? One is a 10 turn 10 K resistor with dial.? The other is a 10 position rotary switch with

Does anyone know of any STL files of cases for these little radios?

Jim, It is not your fault. Your Internet Service Provider is liable. Thanks, Adam

Hi Adam, I can't open the link. Am I doing something wrong? Thanks ! Jim WB4ILP

Bob, Please let me know the specs. If you customize 100 pcs, the price will be a bit high. Thanks, Adam

Adam, Do you have a source for 100 pc lots of custom frequency HC49 computer grade crystals? Before Covid I had a supplier who would make them in that quantity but now all the manufacturers I have

I think it will be a 200mW CW transmitter and it will work with any SSB receiver you have on hand, including those Tecsun PL330, 365, 880, 990 and etc. I will ask for permission from the designer in

Hi Peter, Nice video, nice box. Here is another totally customized radio by a domestic customer. CPK-3 KT Receiver is good enough to be the core module of your customized radio. Thanks, Adam

Another CPK-3 receiver kit video. This time putting it in a box and more listening. https://www.youtube.com/watch?v=kvm0uAk5jiA ( https://www.youtube.com/watch?v=kvm0uAk5jiA )

Guys, Actually we are still shipping during these days. The new orders of CPK-3 KT Receiver will be fulfilled later today. Some early orders are already fulfilled and the tracking numbers were updated

Thanks for sharing. It’s important to connect an external antenna for SW DX. Thanks, Adam