Capability Creep.
It's like the guy who wanted a crowbar to lift an engine 1/4" to replace motor
mounts. He's offered a new Whiz-Bang Green Fang transistorized crowbar so he
can check his email, watch the ball game and place a bid at the car auction,
while changing motor mounts.
"Just gimme a crowbar!"
Edgar
----- Original Message -----
From: "Jim Brown" <jim@audiosystemsgroup.com>
Cc: <amps@contesting.com>
Sent: Tuesday, September 05, 2017 9:51 AM
Subject: Re: [Amps] Grid dip meters 2 models, opinions?
> On 9/5/2017 2:47 AM, Conrad PA5Y wrote:
>> The VNWA3 needs a PC to work which is also not convenient
>
> Understood.
>
>> and is also 10 times more expensive.
>
> Yes. But as others have observed, it does SO much more that a GDO
> cannot, or cannot do easily or with much precision. Like characterizing
> components to include their parasitic R, L, and C, making TDR
> measurements, swept antenna measurements that can exported to design
> software like SimSmith, and 2-port measurements of networks and filters,
> and of the crosstalk between antennas. A few months ago, I needed to
> select capacitors from my "junk box" with low ESR at the frequency of
> interest for a circuit. The VNWA 3e made that very easy. Years before,
> I used my VNWA 3E to align bandpass filters, simultaneously monitoring
> attenuation and return loss vs frequency as I adjusted the coils. Just
> as I had done 50 years ago tuning up some of the first Drake TR3s.
> There, the test equipment cost a LOT more.
>
> 73, Jim K9YC
>
> _______________________________________________
> Amps mailing list
> Amps@contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>
---
This email has been checked for viruses by Avast antivirus software.
https://www.avast.com/antivirus
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps
|