GQ Electronics Technical Support Forum Active Users: / Visits Today:
Highest Active Users:
GQ Electronics Technical Support Forum
Home | Profile | Register | Active Topics | Members | Search | FAQ
Username:
 Password:
Save Password
Forgot your Password?

 All Forums
 GQ Electronics Forums
 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 EMF 390 Version 2 has Different Frequency Coverage		  New Topic  Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic  

Bill D.

USA
46 Posts
Posted - 07/04/2020 :  12:34:36  Show Profile  Reply with Quote
The ver 2 manual of the 390 shows a major change-up for the frequency bands of the Spectrum Analyzer. All the kHz bands have been dropped and the unit does not analyze anything under 50 MHz.

Ver 2: Frequency band 1: 50 MHz -65MHz (FM Radio)
Ver 1: Frequency band 1: 150KHz – 534KHz
Etc. also for other bands

Does this represent a hardware change in the 390?
Is it possible to upgrade the firmware without losing these lower bands?
Reply #1

EmfDev

2250 Posts
Posted - 07/06/2020 :  09:27:25  Show Profile  Reply with Quote
Yes, the RF spectrum has changed from V1 to V2. They have different firmware versions but has the same features.
Go to Top of Page
Reply #2

Bill D.

USA
46 Posts
Posted - 07/06/2020 :  09:45:40  Show Profile  Reply with Quote
That's interesting. So v2 is not using the full potential of the hardware in terms of frequency coverage.
Go to Top of Page
Reply #3

EmfDev

2250 Posts
Posted - 07/06/2020 :  10:09:45  Show Profile  Reply with Quote
In the spectrum yes, it covers less frequency.
Go to Top of Page
Reply #4

tinzi

USA
3 Posts
Posted - 07/07/2020 :  13:15:36  Show Profile  Reply with Quote
This sounds counter intuitive to me (I'm new to this and curious), but i'm sure it involves a lot of technical considerations to come to this design update, can you simply explain the pros and cons of this design? Thank you.
Go to Top of Page
Reply #5

EmfDev

2250 Posts
Posted - 07/08/2020 :  09:43:46  Show Profile  Reply with Quote
The reason why is because of the older spectrum component is not available anymore.
Go to Top of Page
  Previous Topic Topic Next Topic  
 New Topic  Reply to Topic
 Printer Friendly
Jump To:
GQ Electronics Technical Support Forum © Copyright since 2011 Go To Top Of Page
Generated in 0.08 sec. Snitz's Forums 2000