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From: John Larkin <jl@997PotHill.com>
Newsgroups: sci.electronics.design,sci.electronics.repair
Subject: Re: Favourite Test Equipment
Date: Fri, 05 Apr 2024 19:37:27 -0700
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On Sat, 6 Apr 2024 00:35:46 +0200, Klaus Vestergaard Kragelund
<klauskvik@hotmail.com> wrote:

>On 05-04-2024 23:22, john larkin wrote:
>> On Fri, 5 Apr 2024 16:26:49 -0400, bitrex <user@example.net> wrote:
>> 
>>> On 4/5/2024 3:49 AM, Jan Panteltje wrote:
>>>> On a sunny day (Thu, 4 Apr 2024 12:20:19 -0400) it happened bitrex
>>>> <user@example.net> wrote in <660ed343$0$1258343$882e4bbb@reader.netnews.com>:
>>>>
>>>>> My most useful old machine dollar for dollar is my 8012B pulse generator!
>>>>>
>>>>> <https://imgur.com/a/2GaSZVq>
>>>>
>>>> Nice, real components...
>>>>
>>>>
>>>>> $50 "not working." It was just a burned-out pilot lamp and dirty controls.
>>>>
>>>> mm 50 dollars,
>>>> even today with people using dollars for wallpaper,
>>>> buys you a nice pulse generator on ebay..
>>>
>>> It cost $1700 USD in the 1987 catalog, about $4500 equivalent today!
>>>
>>>> 555 timer works fine too
>>>> Or use sox in Linux for all sort of audio, including sweeps:
>>>>    https://www.audiosciencereview.com/forum/index.php?threads/howto-sox-audio-tool-as-a-signal-generator.4242/
>>>> or just use a Raspberry Pi as signal generator:
>>>>    https://panteltje.nl/panteltje/newsflex/download.html#freq_pi
>> 
>> Our DDG is about $4K, addmittedly over the top for a home lab.
>> 
>>     http://highlandtechnology.com/DSS/P500DS.shtml
>> 
>> I love my beat-up old unit on my bench.  Timing and levels are
>> brutally quantitative.
>> 
>I bought a Siglent DDS SDG6022X for 1300USD, 200MHz thingie. I knew 
>forehand that it could be hacked to 500MHz, so "saved" 3000 USD for 1 
>hours work :-)
>
>https://www.batronix.com/shop/waveform-generator/Siglent-SDG6022X.html
>
>EEVBLOG has hacking details if anyone is interested...

We bought a few Rigol 300 MHz 4-chan scopes and insisted that they
throw in the 500 MHz upgrade.

I remember when FFT was an extra-cost feature. Now it's free.