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From: john larkin <jl@650pot.com>
Newsgroups: sci.electronics.design,sci.electronics.repair
Subject: Re: Favourite Test Equipment
Date: Fri, 05 Apr 2024 14:22:28 -0700
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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.