Kenneth D. Grimm, K4XL wrote:
>>I have the 43P kit, and it does indeed work about as you indicate.
>>
> Use an
>
>>external power supply for it, though, the thing goes through 9v
>>
> batteries
>
>>(two at a time!) like water through a sieve.
That sounds like very poor design. The meter is only 30 uA, so even to keep the
meter
at FSD, cells should last almost forever. The electronics to keep the peak must
use very little power - a precision rectifier and storage capacitor would
probably do it. Something seems amis.
--
Dr. David Kirkby PhD,
email: drkirkby@ntlworld.com
former email address: davek@medphys.ucl.ac.uk
web page: http://www.david-kirkby.co.uk/
Amateur radio callsign: G8WRB
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|