[Amps] About LP100A

[w8hw at comcast.net]

I remember using Lissajous in the early 1970's when I worked for RCA 
servicing two way radios systems. I laugh at it now, but for about five (5) 
years using a Cushman service monitor and analog O-scope checking and 
calibrating tones. The lissajou was more accurate than the counters (we had) 
at that time.

73, Bruce, W8HW
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-----Original Message----- 
From: Bill Turner
Sent: Tuesday, June 20, 2017 19:07
To: Amps group
Subject: Re: [Amps] About LP100A

------------ ORIGINAL MESSAGE ------------(may be snipped)

On Tue, 20 Jun 2017 18:53:13 -0400, you wrote:

>   Used to compare two frequency sources.
>-- 
>   Ron  KA4INM

REPLY:

As I recall. Lissajous figures only make sense if the two frequencies
have an integer relationship such as 2:1, 3:1, etc, otherwise all you
see is a jumbled mess. With a DSO (or frequency counter) you just
measure each frequency and ether's your answer.

73, Bill W6WRT
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