Home |
Search |
Today's Posts |
#11
![]() |
|||
|
|||
![]() The wire type in the table is CuL and CuAg. Obviously CuL some sort of copper wire, with the CuAg, being copper and silver (silver plated copper?). --------------lacquer-isolated copper wire (CuL), ------------ ----------------copper-silver (CuAg), ------------- What exactly is CuL wire? Is it critical that I use it what ever it is? Can I use plastic covered copper wire? ----------no-------------- For the high freqency coils I can easily get 2.0mm stiff copper wire for use in electrical conduit. It comes with some sort of insulation, probably PVC. Can I use it, and if I do, should I remove the insulation? --------------Yes--------------- |
#12
![]() |
|||
|
|||
![]()
Geoff and all:
The 'dip' function is simply a 2- or 3-to-1 series-connected mismatch with a capacitor, resistor, and coil to couple to the device-under-test. The dut makes the meter wiggle by absorbing a bit of power, for a visible indication of 'resonance'. That's all, afaik. 73, Dave, N3HE "Geoffrey S. Mendelson" wrote in message ... I have an MFJ modle 249 (the original with a meter) antenna analyzer. MFJ sells a kit of two coils to make it into a dip meter. I would like to use it to measure the resonant fequency of a traps I am building, but am unable to purchase the coils. Is there a way to make then on your own? TIA, Geoff. -- Geoffrey S. Mendelson, Jerusalem, Israel N3OWJ/4X1GM IL Voice: (07)-7424-1667 IL Fax: 972-2-648-1443 U.S. Voice: 1-215-821-1838 Vist my 'blog at http://geoffstechno.livejournal.com/ |
Reply |
|
Thread Tools | Search this Thread |
Display Modes | |
|
|
![]() |
||||
Thread | Forum | |||
SWR - wtf? | CB | |||
SWR - wtf? | Antenna | |||
Coils or specifications needed for Heathkit GD-1B Grid Dip Meter. | Equipment | |||
Coils or specifications needed for Heathkit GD-1B Grid Dip Meter. | Equipment | |||
Coils or specifications needed for Heathkit GD-1B Grid Dip Meter. | Equipment |