Re: [MBZ] $18 oscilloscope

[Dan Penoff via Mercedes]

Dang!  I wish I had one of these when I was working in the field…

-D


> On Nov 12, 2018, at 10:23 AM, Floyd Thursby via Mercedes 
>  wrote:
> 
> These for example are chinesium but seem to be decent machines. Rigol.
> 
> https://www.adafruit.com/?q=oscilloscope
> 
> --FT
> 
> 
> On 11/12/18 10:00 AM, Jim Cathey via Mercedes wrote:
>> The Philips/Fluke Scopemeter is small, and very capable.  It's also real
>> test equipment, and not Chinesium.
>> 
>> I'm still looking, sporadically, for one at a price I can tolerate.
>> 
>> -- Jim
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> 
> -- 
> --FT
> 
> 
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Re: [MBZ] $18 oscilloscope

[Floyd Thursby via Mercedes]

These for example are chinesium but seem to be decent machines. Rigol.

https://www.adafruit.com/?q=oscilloscope

--FT


On 11/12/18 10:00 AM, Jim Cathey via Mercedes wrote:

The Philips/Fluke Scopemeter is small, and very capable.  It's also real
test equipment, and not Chinesium.

I'm still looking, sporadically, for one at a price I can tolerate.

-- Jim
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--
--FT


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Re: [MBZ] $18 oscilloscope

[Jim Cathey via Mercedes]

The Philips/Fluke Scopemeter is small, and very capable.  It's also real
test equipment, and not Chinesium.

I'm still looking, sporadically, for one at a price I can tolerate.

-- Jim
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Re: [MBZ] $18 oscilloscope

[Curley McLain via Mercedes]

I can't justify the space and expense of a "standard" o-scope, but there 
are times when one might answer a question.   Being made of unobtainium 
makes them less desirable also.



Dan Penoff via Mercedes 
November 12, 2018 at 7:37 AM
They’re around here, too. The big Tektronics tube ones on the angled 
carts. I see them pretty regularly. Great when you need one, a massive 
PITA to keep and store. I can’t justify having one around, it would 
take up critical space.


-D




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Re: [MBZ] $18 oscilloscope

[Jim Cathey via Mercedes]

I bought a Tek 475 (200 MHz) at Goodwill for $40.  I I have been given a
Tek 2336 (100 MHz), Tek 561A (10 MHz, tubes), Tek 7623A (100 MHz, storage),
and Tek 7633 (100 MHz, storage).  They're out there.  That older 561A is a
work of art inside.  Either of the first two would be an excellent choice
for anybody to use, for just about anything a non-engineer would be likely
to need.  Service manuals for all are available.

-- Jim
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Re: [MBZ] $18 oscilloscope

[Dan Penoff via Mercedes]

They’re around here, too.  The big Tektronics tube ones on the angled carts.  I 
see them pretty regularly.  Great when you need one, a massive PITA to keep and 
store.  I can’t justify having one around, it would take up critical space.

-D


> On Nov 12, 2018, at 8:33 AM, Buggered Benzmail via Mercedes 
>  wrote:
> 
> I have a working Tek scope I bought for $100 and another one that sorta works 
> I got for $20. They’re out there. 
> 
> --FT
> Sent from iPhone
> 
>> On Nov 11, 2018, at 11:51 PM, Curley McLain via Mercedes 
>>  wrote:
>> 
>> Still probably beats paying hundreds of an old Tektronics scope that is made 
>> of unobtanium.   It just won't work for UHF/VHF ranges.  There has to be a 
>> way to build an adaptacator to feed UHF/VHF to it in a way it can 
>> understand.   The expensive scopes all have ranges.
>> 
>>> OK Don via Mercedes 
>>> November 11, 2018 at 10:30 PM
>>> IIRC, 45 to 200 mHz for channels 2-13. That's a 1000 times higher than this
>>> scope will measure.
>>> 
>>> On Sun, Nov 11, 2018 at 10:20 PM Curley McLain via Mercedes <
>>> 
>> 
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Re: [MBZ] $18 oscilloscope

[Buggered Benzmail via Mercedes]

I have a working Tek scope I bought for $100 and another one that sorta works I 
got for $20. They’re out there. 

--FT
Sent from iPhone

> On Nov 11, 2018, at 11:51 PM, Curley McLain via Mercedes 
>  wrote:
> 
> Still probably beats paying hundreds of an old Tektronics scope that is made 
> of unobtanium.   It just won't work for UHF/VHF ranges.  There has to be a 
> way to build an adaptacator to feed UHF/VHF to it in a way it can understand. 
>   The expensive scopes all have ranges.
> 
>> OK Don via Mercedes 
>> November 11, 2018 at 10:30 PM
>> IIRC, 45 to 200 mHz for channels 2-13. That's a 1000 times higher than this
>> scope will measure.
>> 
>> On Sun, Nov 11, 2018 at 10:20 PM Curley McLain via Mercedes <
>> 
> 
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Re: [MBZ] $18 oscilloscope

[Buggered Benzmail via Mercedes]

I have a kit I bought a year or two ago from banggood but never soldered up. 
Guess I should do that in my copious spare time and see how it works. 

--R
Sent from iPhone

> On Nov 11, 2018, at 11:05 PM, Curley McLain via Mercedes 
>  wrote:
> 
> This looks interesting.
> 
> https://www.gearbest.com/testers-detectors/pp_009471063829.html?wid=1433363=16516250
> 
> What all could we do with this?
> 
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Re: [MBZ] $18 oscilloscope

[Curley McLain via Mercedes]

Still probably beats paying hundreds of an old Tektronics scope that is 
made of unobtanium.   It just won't work for UHF/VHF ranges.  There has 
to be a way to build an adaptacator to feed UHF/VHF to it in a way it 
can understand.   The expensive scopes all have ranges.



OK Don via Mercedes 
November 11, 2018 at 10:30 PM
IIRC, 45 to 200 mHz for channels 2-13. That's a 1000 times higher than 
this

scope will measure.

On Sun, Nov 11, 2018 at 10:20 PM Curley McLain via Mercedes <



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Re: [MBZ] $18 oscilloscope

[OK Don via Mercedes]

IIRC, 45 to 200 mHz for channels 2-13. That's a 1000 times higher than this
scope will measure.

On Sun, Nov 11, 2018 at 10:20 PM Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> what frequency would a tv antenna signal be?
>
> I know you can pick up the signal with a MM set to AC, but I don't know
> what the Freq would be.
>
> > OK Don via Mercedes 
> > November 11, 2018 at 10:15 PM
> > Interesting, but it only goes to 200kHz - - -
> >
>
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-- 
OK Don

*“Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of
our people need it sorely on these accounts.”* – Mark Twain

"There are three kinds of men: The ones that learns by reading. The few who
learn by observation. The rest of them have to pee on the electric fence
for themselves."

WILL ROGERS, *The Manly Wisdom of Will Rogers*
2013 F150, 18 mpg
2017 Subaru Legacy, 30 mpg
1957 C182A, 12 mpg - but at 150 mph!
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Re: [MBZ] $18 oscilloscope

[Curley McLain via Mercedes]

what frequency would a tv antenna signal be?

I know you can pick up the signal with a MM set to AC, but I don't know 
what the Freq would be.



OK Don via Mercedes 
November 11, 2018 at 10:15 PM
Interesting, but it only goes to 200kHz - - -



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Re: [MBZ] $18 oscilloscope

[OK Don via Mercedes]

Interesting, but it only goes to 200kHz - - -

On Sun, Nov 11, 2018 at 10:06 PM Curley McLain via Mercedes <
mercedes@okiebenz.com> wrote:

> This looks interesting.
>
>
> https://www.gearbest.com/testers-detectors/pp_009471063829.html?wid=1433363=16516250
>
> What all could we do with this?
>
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-- 
OK Don

*“Travel is fatal to prejudice, bigotry and narrow-mindedness, and many of
our people need it sorely on these accounts.”* – Mark Twain

"There are three kinds of men: The ones that learns by reading. The few who
learn by observation. The rest of them have to pee on the electric fence
for themselves."

WILL ROGERS, *The Manly Wisdom of Will Rogers*
2013 F150, 18 mpg
2017 Subaru Legacy, 30 mpg
1957 C182A, 12 mpg - but at 150 mph!
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