UHF Frequency generation

Discussion in 'General Electronics Chat' started by wes, Dec 29, 2011.

  1. wes

    Thread Starter Active Member

    Aug 24, 2007
    242
    2
    I have been looking for awhile now for a signal generator that can output anywhere from 100 MHZ to 1GHZ, it can actually vary, I am just going to use it for some testing I have planned. I would preferably want a function generator so I could test with varying waveform shapes. The problem is all the ones I have found are like $5,000 and up and the Function generators are even more.

    So first off why are they so expensive when my router generates a WiFi signal at 2.4 GHZ? Is there a way to turn my WiFi into a function generator or signal generator at a lower frequency like 1Ghz, lol

    Also is there a cheaper one from another place that works just aswell. If not, is there at-least some way to make one with a PC as the Generator source or build one?
     
  2. bertus

    Administrator

    Apr 5, 2008
    15,647
    2,346
  3. ceidas

    Member

    Dec 26, 2011
    50
    1
    Your router generates a signal only at 2.4 GHz. If it could generate a useful signal of the same quality at the 0.1-2.4 GHz bandwidth, then it would also cost more than 1K$.
     
  4. Papabravo

    Expert

    Feb 24, 2006
    10,140
    1,789
    Laboratory equipment is expensive for a reason. Generating stable and accurate signals and waveforms in that frequency range is difficult. Throw in different waveforms, with adjustable parameters like amplitude and frequency and it is not hard to understand why an RF bench covering the UHF range might cost half a million because after the signal generator you might need a spectrum analyzer and a network analyzer and lots of tweenies and terminated cables.

    The other point to the economics that you raised was the wireless router. A handful of companies probably sell tens of millions of wireless routers in a year. How many companies sell how many UHF signal generators in a year? Hundreds, maybe thousands. Do you see the problem?
     
  5. crutschow

    Expert

    Mar 14, 2008
    13,003
    3,232
    Have you searched for used instruments? Ebay would be a good place to start.
     
  6. SgtWookie

    Expert

    Jul 17, 2007
    22,182
    1,728
Loading...