[time-nuts] lunatic fringe time standards

J. Forster jfor at quik.com
Mon Apr 19 16:28:31 EDT 2010


IMO, ANY of those jelley beans are garbage, IMO, including 900, 914, 923,
2N3638 -> 2N3643. The TO-5 size seem worse than the TO-18 size.

FWIW,

-John

=================



> I found the twisting of leads more of a problem with common epoxy packaged
> transistors than the 8 pin RTL 914/923 devices. Regards - Mike
>
> Mike B. Feher, N4FS
> 89 Arnold Blvd.
> Howell, NJ, 07731
> 732-886-5960
>
>
>
> -----Original Message-----
> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
> Behalf Of J. Forster
> Sent: Monday, April 19, 2010 3:41 PM
> To: Discussion of precise time and frequency measurement
> Subject: Re: [time-nuts] lunatic fringe time standards
>
> RTL was a VERY simple design. a 2 input NAND had 2 transistors and 3
> resistors as I remember.
>
> The main issue was lead attachment was the main failure mode in the
> epoxy-ceramic 8 lead packages. If you twisted a lead, the device died.
>
> -John
>
>
>






More information about the time-nuts mailing list