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-   -   Johnson Matchbox...adding T200 inductors? (https://www.radiobanter.com/homebrew/22712-johnson-matchbox-adding-t200-inductors.html)

denton April 1st 04 05:58 PM

Johnson Matchbox...adding T200 inductors?
 
Hi all..
I have a couple of T200 cores laying around that I want to wind with No 14
enameled wire.
Can anyone give me a ballpark figure how many turns I will need to wind them
to add inductance to the ends of my 275 watt Johnson Matchbox for use on 160
meters?
thanks in advance de Denton WB7TDG



Reg Edwards April 1st 04 09:09 PM


"denton" wrote in message
...
Hi all..
I have a couple of T200 cores laying around that I want to wind with No 14
enameled wire.
Can anyone give me a ballpark figure how many turns I will need to wind

them
to add inductance to the ends of my 275 watt Johnson Matchbox for use on

160
meters?
thanks in advance de Denton WB7TDG


===================================

Fill it up with 18 gauge and tap the turns.





Reg Edwards April 1st 04 09:09 PM


"denton" wrote in message
...
Hi all..
I have a couple of T200 cores laying around that I want to wind with No 14
enameled wire.
Can anyone give me a ballpark figure how many turns I will need to wind

them
to add inductance to the ends of my 275 watt Johnson Matchbox for use on

160
meters?
thanks in advance de Denton WB7TDG


===================================

Fill it up with 18 gauge and tap the turns.





Eskay April 2nd 04 07:01 PM

On Thu, 1 Apr 2004 07:58:16 -0800, denton wrote:

Hi all..
I have a couple of T200 cores laying around that I want to wind with No 14
enameled wire.
Can anyone give me a ballpark figure how many turns I will need to wind them
to add inductance to the ends of my 275 watt Johnson Matchbox for use on 160
meters?
thanks in advance de Denton WB7TDG


There was an article in Electric Radio magazine that added fixed capacitors
to the lowest frquency setting to get the Matchbox to tune 160 meters.I
don't have the magazine but do have the scanned pages.
Let me know if you want them.
73 de Sieb,,VE3JUA.


Eskay April 2nd 04 07:01 PM

On Thu, 1 Apr 2004 07:58:16 -0800, denton wrote:

Hi all..
I have a couple of T200 cores laying around that I want to wind with No 14
enameled wire.
Can anyone give me a ballpark figure how many turns I will need to wind them
to add inductance to the ends of my 275 watt Johnson Matchbox for use on 160
meters?
thanks in advance de Denton WB7TDG


There was an article in Electric Radio magazine that added fixed capacitors
to the lowest frquency setting to get the Matchbox to tune 160 meters.I
don't have the magazine but do have the scanned pages.
Let me know if you want them.
73 de Sieb,,VE3JUA.



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