« previous next »
Pages: [1]   Go Down

Author Topic: Vintage OCXO Unitra  (Read 5281 times)

0 Members and 2 Guests are viewing this topic.

Offline vasi_roTopic starter

  • Supporter
  • ****
  • Posts: 35
  • Country: ro
Vintage OCXO Unitra
« on: March 21, 2016, 08:53:13 pm »
A quick teardown of an OCXO made in Poland by Unitra in 1986. This oscillator was use in many counters made in Romania and Poland. I have 2 counters that use this model and both are spot on after so many years.








Logged
 

Offline Vgkid

  • Super Contributor
  • ***
  • Posts: 2724
  • Country: us
Re: Vintage OCXO Unitra
« Reply #1 on: March 23, 2016, 05:11:41 am »
Can you re upload the pics, only 2 load.
almost everything is a red-orange.
Logged
If you own any North Hills Electronics gear, message me. L&N Fan
 

Offline DimitriP

  • Super Contributor
  • ***
  • Posts: 1365
  • Country: us
  • "Best practices" are best not practiced.© Dimitri
Re: Vintage OCXO Unitra
« Reply #2 on: March 23, 2016, 09:07:20 am »










« Last Edit: March 23, 2016, 09:12:07 am by DimitriP »
Logged
   If three 100  Ohm resistors are connected in parallel, and in series with a 200 Ohm resistor, how many resistors do you have? 
 

Online tszaboo

  • Super Contributor
  • ***
  • Posts: 7637
  • Country: nl
  • Current job: ATEX product design
Re: Vintage OCXO Unitra
« Reply #3 on: March 23, 2016, 10:01:08 am »
That isnt any better.
Logged
 

Offline DimitriP

  • Super Contributor
  • ***
  • Posts: 1365
  • Country: us
  • "Best practices" are best not practiced.© Dimitri
Re: Vintage OCXO Unitra
« Reply #4 on: March 23, 2016, 10:13:11 am »
My post displays the pics on Firefox, chrome,Vivaldi and Explorer...  now it's your turn.
Not sure what you are running, so I can't tell you the correct number of chickens to sacrifice in order to fix it :)
Logged
   If three 100  Ohm resistors are connected in parallel, and in series with a 200 Ohm resistor, how many resistors do you have? 
 

Offline vasi_roTopic starter

  • Supporter
  • ****
  • Posts: 35
  • Country: ro
Re: Vintage OCXO Unitra
« Reply #5 on: March 23, 2016, 10:53:24 am »
My browser ( firefox ) display the pics with no problem. I can reupload but tell me which image host site to use. Now the pics are on postimg.org.
Logged
 

Offline vasi_roTopic starter

  • Supporter
  • ****
  • Posts: 35
  • Country: ro
Re: Vintage OCXO Unitra
« Reply #6 on: March 23, 2016, 01:47:10 pm »
Uploaded directly on forum. I hope everyone can see the pictures now
Logged
 

Offline vasi_roTopic starter

  • Supporter
  • ****
  • Posts: 35
  • Country: ro
Re: Vintage OCXO Unitra
« Reply #7 on: March 23, 2016, 02:30:26 pm »
I don't know why the sine wave is flat. And yes it's a tunnel diode.
A also found the service manual for a similar model.
http://delibra.bg.polsl.pl/Content/15659/Generator_GWM5_!.pdf
Logged
 

Offline vasi_roTopic starter

  • Supporter
  • ****
  • Posts: 35
  • Country: ro
Re: Vintage OCXO Unitra
« Reply #8 on: March 23, 2016, 02:45:08 pm »
Logged
 
Pages: [1]   Go Up
« previous next »

Share me

Digg  Facebook  SlashDot  Delicious  Technorati  Twitter  Google  Yahoo
Smf

 


EEVblog Main Site EEVblog on Youtube EEVblog on Twitter EEVblog on Facebook EEVblog on Odysee