[Microwave] Cushman CE-15 Spectrum Analyzer

Sat, 25 Jan 2003 18:42:06 EST

In a message dated 1/25/03 11:22:03 PM GMT Standard Time, 
[email protected] writes:

> I recently purchased a used Cushman CE-15 spectrum analyzer 
> at a local hamfest. I plugged it in an checked it out at the
> time of the purchase. The display looked normal. Upon
> further inspection at home, I found that the front end sensitivity
> was poor and the calibration was way off. It appears as if someone
> keyed a transmitter into the input without an external pad.
> 
> Having worked with one of these units in the past, it seems to me
> that there are a couple of resisters and a pico fuse in the front
> end that protects the unit from such an occurrence. I do not have
> a manual and am unable to verify the circuit. I have checked a 
> number of resources on the Internet and it looks like Cushman is
> either out of business or has been purchased by someone else.
> 
> Does anyone know where I can purchase a manual or get an Xerox copy
> of the front end circuitry?
> 
> Thanks for reading my note.
> 
> 73 George W4AQR
> 
> 

Hi George.

Try This Link For Manual for Cushman CE-15 Spectrum Analyzer.
Good Luck and Hope that helps.

Derek - [email protected]
144MHz & Above Daily Newsletter http://www.144mhz.co.uk Now with 50MHz News.

--- StripMime Report -- processed MIME parts ---
multipart/alternative
  text/plain (text body -- kept)
  text/html
The reason this message is shown is because the post was in HTML
or had an attachment.  Attachments are not allowed.  To learn how
to post in Plain-Text go to: http://www.expita.com/nomime.html  ---