[Elecraft] RF Ammeter

2011-12-18 Thread Jim Wiley
As everyone knows, real RF ammeters are becoming scarce, or very expensive. Does anyone out there have info on where to find a circuit that is relatively inexpensive that I could use as a substitute? Something using a toroid core plus diode, or something like that, would be what I am

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Phil Kane
On 12/18/2011 11:17 AM, Jim Wiley wrote: As everyone knows, real RF ammeters are becoming scarce, or very expensive. Does anyone out there have info on where to find a circuit that is relatively inexpensive that I could use as a substitute? Something using a toroid core plus diode, or

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Jim Brown
On 12/18/2011 11:17 AM, Jim Wiley wrote: Does anyone out there have info on where to find a circuit that is relatively inexpensive that I could use as a substitute? Something using a toroid core plus diode, or something like that, would be what I am looking for. Yep. Google to find GM3SEK's

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Doug Faunt N6TQS +1-510-655-8604
I couldn't locate the GM3SEK article (is it still there?), but this is also useful: http://www.w8ji.com/building_a_current_meter.htm And I believe that QST and/or the ARRL Handbook has information on this, also. 73, doug On 18-Dec-11 19:17, Jim Wiley wrote: As everyone knows, real RF

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Rick Bates
18, 2011 12:54 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] RF Ammeter I couldn't locate the GM3SEK article (is it still there?), but this is also useful: http://www.w8ji.com/building_a_current_meter.htm And I believe that QST and/or the ARRL Handbook has information on this, also

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Ron D'Eau Claire
Jim, I sent you direct the construction info on my 0-100 mA and 0-1.5A RF ammeter that includes photos and schematic. I hope your e-mail system allows the attachments. If not, let me know. This is an in-line ammeter, not a clamp on type. Ron AC7AC -Original Message- 7 As everyone

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Ian White GM3SEK
: Sunday, December 18, 2011 12:54 PM To: elecraft@mailman.qth.net Subject: Re: [Elecraft] RF Ammeter I couldn't locate the GM3SEK article (is it still there?), but this is also useful: http://www.w8ji.com/building_a_current_meter.htm And I believe that QST and/or the ARRL Handbook has information

Re: [Elecraft] RF Ammeter

2011-12-18 Thread Jim Wiley
Thanks to all who responded. Several circuits to try, so I am sure one of them will work for what I have in mind. Again, thank you. -- Jim, KL7CC __ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft