[time-nuts] pn3048 software

Bob Camp kb8tq at n1k.org
Wed Nov 5 07:11:02 EST 2014


The software for these gizmos dates back to Windows for Workgroups 3.11. That’s a way back. Even getting it running on Windows 95 was a bit of a problem. The biggest issue is that it was hand optimized for some of the timeout delays. 

If you bring it up, what you want is an old / slow PC with the oldest OS you can find a copy of.


> On Nov 4, 2014, at 10:56 PM, Ivan.Cousins <ijcousins at frontier.com> wrote:
> Does anyone else have the pn3048 software running on a PC-gpib system?
> http://www.ke5fx.com/pn3048.htm
> It has been a number of years since I have used a HP3048A-HP11848A system.
> I have two HP11848A test sets and a spare PC or two with NI GPIB cards.
> It looks like this will be much easier to use than the old HP 9236 computer.
> What trials and tribulations have people had in setting up a system with that software?
> One of the things that can be done is determining the noise floor of the system.
> To determine the noise floor I have used a noise generator with a programmable step attenuator through a resistive combiner with the oscillator under test output.
> Increase the attenuation until the noise source on-off level is undetectable.
> This is an easy way to measure the system noise floor.
> Noise sources are usually cheap on ebay because most people do not know how to use them.
> As an RF designer they are easy to use for testing receivers.
> Ivan Cousins
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