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SyncTronX SyncTronX is offline

diyAudio Member

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    Last Photo Uploaded: 02_06_50Hz_SQ.jpg
    02-06-50hz-sq

    Last Comment Posted: hp-350-d-volt-check
    B&K LINK http://www.diyaudio.com/forums/equipment-tools/205304-low-distortion-audio-range-oscillator-14.html#post3200499

About Me

  • About SyncTronX
    Biography
    Too many projects, so little time.
    Location
    Cubs Win! 108 Years - anguish no more.
    Interests
    Music, Amplifiers, Good Sound,
    Occupation
    Educator
    Country
    United States
  • Signature
    -- Sync

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General Information
  • Last Activity: Yesterday 05:02 AM
  • Join Date: 9th October 2008

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Blog

View SyncTronX's BlogRecent Entries
Latest Blog Entry

Posted 29th November 2016 at 01:42 AM by SyncTronX Comments 7
Posted in Uncategorized

HP339a
Introduction


The HP339a was a state of the art (SOTA) distortion analyzer in the 1980s.
It is a full featured all-in-one product including a volt meter,
low-distortion oscillator, distortion analyzer, AM detector, and VU meter.

There was an in-depth analysis of low distortion oscillators
on DIYAudio on the following link:


<Low-disortion Audio-range Oscillator>
This was followed by a specific HP339a thread, linked here:

<HP339a>

This is a summary of those threads along with the links, conversations, and
posts, about the research and development that went into the suggested modifications to the venerable HP 339A.

Outline



Why HP 339A?

HP339A Post #78
Well, a stock 339A gives you a wide band ac voltmeter, an oscillator and analyzer. A stock one will do you pretty well as long as you have no interest in reading below...

Posted 18th December 2014 at 05:38 AM by SyncTronX Comments 0
Posted in How To
For those of use that use the QA400 FFT,
here are some tips that will help us use the
product and software for measurement.

Press the Ctrl key plus an Axis, Windowing, or Measurement soft switch parameter.

For example, PRESS Ctrl + .dBV brings up a
dialog box to set External Gain & Peak Display Format:


Ctrl + .dBr brings up the following:




Ctrl + .X Lin:




Ctrl + .X Log:



The Measurements soft switch parameters as follows:

Ctrl + .Pwr:

...

Posted 30th July 2014 at 07:00 AM by SyncTronX Comments 0
Posted in How To
There are some simple keyboard short cuts
that have been around for a while and work.

You may already know them some of us might
not. They were originally used in the Apple
Computer interface and have been held over
on the windows computer too.

After you select an item by clicking it
or clicking and dragging, then do
one of the following: Undo, Cut, Copy, Paste.

The actions are performed with the keyboard keys,
the lower left side and above the space bar.

The keys are Z X C V .

Use one of these keys with the Ctrl key.

Ctrl + C Copy
Ctrl + V Paste
Ctrl + X Delete
Ctrl + Z Undo

The Ctrl key is located in the lower left corner
of the keyboard.

Use the rolling press to make this work.

First press Ctrl with the little finger, left hand,
hold it down,
then press C key with middle finger,...

Posted 23rd March 2014 at 05:24 AM by SyncTronX Comments 0
Posted in How To
Here is one method to capture your computer measurements
from your computer screen.

To capture only a window that is selected:

Press ALT and Print Screen
keys at the same time.

OR

To capture the whole computer screen image:
Press the Print Screen key.

Then open your paint program and paste
the capture:

Press CTRL and V keys.

Your window/screen is now in your paint program.
Save it in a JPEG format.

Note, the generic paint program is listed
under the Start Menu:All Programs:Accessories:Paint

When saving, look and see where Windows
puts the file...it can get real tricky to find again.

IMG or BMG files are huge.
JPG (Joint Photographic Expert Group)
has algorithms that compress the file size
down to make it easier to send and receive.

Here is my screen capture:

http://origin.dastatic.com/forums/ga...rintScreen.jpg
Recent Comments
Hi Miklos,
...
Posted 7th December 2016 at 05:41 AM by SyncTronX SyncTronX is offline
Thanks for summing it...
Posted 6th December 2016 at 08:25 AM by miklos miklos is offline
Thanks for dropping...
Posted 5th December 2016 at 11:58 PM by SyncTronX SyncTronX is offline
Good work and great...
Posted 5th December 2016 at 12:29 PM by skidave skidave is offline
You are most welcome....
Posted 5th December 2016 at 06:32 AM by SyncTronX SyncTronX is offline
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