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Topics - Paul M0BSW

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Equipment Review / Instrustar scope /SA
« on: November 24, 2018, 04:57:41 PM »
It was a fair while back Buddy, you asked me to give a report ,on this pc based box, Well the scope or spectrum analyser makers have nothing to worry about. I tried the scope  disappointing , then I tried the S/A it does put a kind of wave form up on the pc screen and I'll leave it there. One useful thing it did do was, make me get on and build Hans Summers Spectrum Analyser, not a massive band width, mine goes from  a few Hz to  around 146MHz, which actually covers everything I need, and it is a proper S/A..
Paul  de M0BSW
Hope you &yours are keeping  Well

2
Open Chat / Happy Christmas
« on: December 21, 2016, 12:41:04 PM »
Happy Christmas  Buddy, and all the members on this excellent website.
Paul  de M0BSW   UK

3
Home Brew And Tech Forum / Sinad Meter
« on: December 12, 2016, 01:14:21 PM »
I've been looking for a simple sinad meter circuit, as the proper thing is way to expensive, although I've googled it, no luck.
Is there such a circuit, it would be nice to be able to measure sinad on the receivers I build, with out using a pc program.
Paul    M0BSW

4
Electronic connection / isolation transformers
« on: December 11, 2016, 02:41:41 PM »
Hi Everyone,

I want to build a isolation transformer unit, here in the UK we have a spine chilling 240v line voltage, so far I haven't found a 1:1 transformer, so could I use 2x 240 to 50v transformers, use one as a step down and one as a step up, any thoughts on this, I  can't really have a go at a tube radio restoration until I've built a isolation transformer unit.
Paul    de m0bsw

5
Want Adds / Wanted the Digital display for a kenwood TS 820s
« on: August 04, 2013, 12:22:09 PM »
Hi everyone I'm looking for a Frequency  display for a kenwood TS820s, I think it's the same as the TS830s, so if you ever see one in a junk sale please let me know.
Paul

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