[ARC5] Transistorized LM
Brooke
brooke at pacific.net
Sat Aug 30 20:12:01 EDT 2025
Hi:
I've added some information and patents on solid state tubes at:
https://prc68.com/I/USM159.html#SS_Tube_Replacements
--
Have Fun,
Brooke Clarke
https://www.PRC68.com
axioms:
1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
2. Everybody, with no exceptions, holds false beliefs.
-------- Original Message --------
> Hi Ken:
>
> Thanks. Here's some links:
>
> https://archive.org/details/73-magazine-1971-05/page/60/mode/1up
> https://ia600403.us.archive.org/6/items/73-magazine-1971-05/05_May_1971.pdf#page=61
> https://prc68.com/I/USM159.html#LM_18_Frequency_Meter
> --
> Have Fun,
>
> Brooke Clarke, N6GCE
> https://www.PRC68.com
> axioms:
> 1. The extent to which you can fix or improve something will be limited by how well you understand how it works.
> 2. Everybody, with no exceptions, holds false beliefs.
> -------- Original Message --------
>> 73 magazine for May 1971 has an article on this, for those interested.
>>
>> Entitled, "The Transistorized LM Freq Meter", starting on page 60.
>>
>> I was recently given two, supposedly non-working, LMs. They don't look all that bad to me.
>>
>> I'll see if I can make them work.
>>
>> Ken W7EKB
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