Monday, 30 September 2013

Re: [Electronics_101] Help Needed: Audio oscillator test

 

Patrick


The best way is to hook it up to an oscilloscope and look at the wave form to make sure it is clean. But if you don't have one, you can fake one. 

Do a google search (or bing search, yahoo search, etc) and look for SOUNDCARD oscilloscope and download this :  


There are hundred others. That's just the first one I've found. They are usually limited to audio freq (maybe up to 44khz) but also by the quality of you sound chip - usually good enough this kind of work. 

Also read the instruction carefully so you don't over power you mic input and blow it up. 


Jong 


On Sep 30, 2013, at 11:37 AM, <vw_beetle_fix_it@yahoo.com> wrote:

Hello


Hi everybody.

I just bought an audio oscillator and I could some help in figuring out what kind of shape it's in (so I can leave feedback). It was quite a bit less expensive than some of the others on the page.

It's a Hewlett Packard Model 204 D. "D" as in "Dinosaur".

Does anyone know of a way to put it through its paces??? I only have a VOM and a grid dip meter here so ANY help would be appreciated. 

Best Regards

Patrick

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Re: [Electronics_101] Help Needed: Audio oscillator test

 

Your can connect the speakers from your desktop pc to it.

Jim, K6JMG


vw_beetle_fix_it@yahoo.com wrote:
Hello


Hi everybody.

I just bought an audio oscillator and I could some help in figuring out what kind of shape it's in (so I can leave feedback). It was quite a bit less expensive than some of the others on the page.

It's a Hewlett Packard Model 204 D. "D" as in "Dinosaur".

Does anyone know of a way to put it through its paces??? I only have a VOM and a grid dip meter here so ANY help would be appreciated. 

Best Regards

Patrick

--
Jim

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Re: [Electronics_101] Help Needed: Audio oscillator test

 

A simple solution is to stick a speaker across the output terminals, if you
can find one.  headphones work too.

From: "vw_beetle_fix_it@yahoo.com" <vw_beetle_fix_it@yahoo.com>
To: Electronics_101@yahoogroups.com
Sent: Monday, September 30, 2013 2:37 PM
Subject: [Electronics_101] Help Needed: Audio oscillator test
 
Hello

Hi everybody.

I just bought an audio oscillator and I could some help in figuring out what kind of shape it's in (so I can leave feedback). It was quite a bit less expensive than some of the others on the page.

It's a Hewlett Packard Model 204 D. "D" as in "Dinosaur".

Does anyone know of a way to put it through its paces??? I only have a VOM and a grid dip meter here so ANY help would be appreciated. 

Best Regards

Patrick

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Posted by at No comments:

[Electronics_101] Help Needed: Audio oscillator test

 

Hello


Hi everybody.

I just bought an audio oscillator and I could some help in figuring out what kind of shape it's in (so I can leave feedback). It was quite a bit less expensive than some of the others on the page.

It's a Hewlett Packard Model 204 D. "D" as in "Dinosaur".

Does anyone know of a way to put it through its paces??? I only have a VOM and a grid dip meter here so ANY help would be appreciated. 

Best Regards

Patrick

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Thursday, 5 September 2013

[sherline] New Photos / Sherline Gib Jig / Test Run Successful !

 



Album;
"Sherline Gib Jig"
Photos show the result of the test run.
The gib lock hole in the jig drilled gib blank
is exactly where it belongs.
Also introducing "Idea of the Month"
Jerry G's Sliding Gib Lock.
Jerry G (Glickstein)

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[sherline] New Photo / Sherline Gib Jig / Test Run of Drill Jig

 



Album;
"Sherline Gib Jig"
Photo shows Dremel # 400XPR with 3/32" (.0938" diameter)drill.
Jig with modifications.
When I lowered the bushing in the Bushing Bar/Bridge,
I received a happy surprise!
The gib had been placed flush with the side of the BBB,
and the lowered bushing became a clamp!
So, we will drill and try.
Hole in gib from jig will be .0938" diameter,
and .250" from end of gib blank.
Jerry G (Glickstein)

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