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Registered Member #1316
Joined: Thu Feb 14 2008, 03:35AM
Location: Cambridge, MA
Posts: 365
Hello! I have won $200 from my 8th grade science fair and have decided to use the money to add to my test equipment and buy a frequency counter for work on my next years project on wireless power transfer. I was hoping that some of the more experienced members among us / professional electrical engineers could give me some recommendations about what models / brands of frequency counter to search for.
Registered Member #1062
Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
Cool. BKprecision has cheap function generator's with counters, I recently (4 days ago) got this one: That is twice your limit, but you can probably find a refurbished one for less. If you can, look for a DDS rather than a analog generator.
If you just want a counter, and no generator, here is one:
Registered Member #1316
Joined: Thu Feb 14 2008, 03:35AM
Location: Cambridge, MA
Posts: 365
Thanks, but both of the options are a tad out of my price range :(. I have seen cheaper counters like this one on other websites, is this one any good? If not can someone recommend a frequency counter a bit closer to my price range? (i don't need ultra precision or anything)
Registered Member #1062
Joined: Tue Oct 16 2007, 02:01AM
Location:
Posts: 1529
That one looks fine. Why don't you get a function generator? Some have frequency counters built in. For frequency counting, I use this: Its only up to 500khz, but any higher, my function generator is good enough.
Registered Member #1316
Joined: Thu Feb 14 2008, 03:35AM
Location: Cambridge, MA
Posts: 365
Building one looks interesting. However I need one for my current project and my parents only let me work on one project at a time . I think there is some kits that might be on the cheep side though...
Registered Member #135
Joined: Sat Feb 11 2006, 12:06AM
Location: Anywhere is fine
Posts: 1735
There is a universal counter kit available with 4XXX family chips and its a 3 digit counter. There is another kit which uses a microcontroller that is a 4 digit counter and you could use those kits with a similar timebase generator that I'm describing in the counter thread, but those will probably top out at a couple MHz.
You can buy multiple kits and link them together for more digits, but the kits do cost ~ $30 each, so it gets a bit expensive after a while.
Registered Member #543
Joined: Tue Feb 20 2007, 04:26PM
Location: UK
Posts: 4992
A lot of it's about money and quality - you can get a budget one like mine from Thurlby Thandar costing maybe $300, which is good for 99% of practical purposes, or you can pay $3,000 for an instrument from Rohde & Schwarz with fantastic accuracy and lots of very advanced facilities.
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Frequency Counter Recommendations
. I think there is some kits that might be on the cheep side though...
