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From: Klaus Vestergaard Kragelund <klauskvik@hotmail.com>
Newsgroups: sci.electronics.design,sci.electronics.repair
Subject: Re: Favourite Test Equipment
Date: Sat, 6 Apr 2024 00:35:46 +0200
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In-Reply-To: <p3q01j5cj9pmlq0l88chqan9v6595rttsp@4ax.com>

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...