![]()
I received my 38 spcl. kit last week, and unlike the 40-9er which I built
in a hurry so I could get on the air on HT I plan to savour this one...
I have looked at the kit, read the discussions of the mods and have some
questions:
1. I have raided an old TV for potentiometers. I have found ones for
the RF gain and RIT. They seem to be inear taper. Is this a
problem?
2. I am thinking of installing a switch (something like double pole,
triple throw) as a low/high power switch to control the use of
the 5W mod. It seems feasible but am I missing something?
3. Some have reported that the tuning is a bit finicky. Would it be
a good idea to replace the 100K pot with a (say) 90K one in series
with a 10K one where the 10K one could provide fine tuning? If so
what would be a good ratio of values? 90-10, 80-20, etc.?
4. Is it possible to use a TV UHF control to build an antenna tuner?
If so are there any articles on it?
BTW the badgers are still hibernating here.
+---------------------------------------------------------------------------+
| Brian Buydens, Computing Services, University of Saskatchewan |
| email: Brian.Buydens@usask.ca http://duke.usask.ca/~buydens |
| VE5RDV |
+---------------------------------------------------------------------------+
| Keep Cool, but Don't Freeze |
| - Hellman's Mayonnaise |
+---------------------------------------------------------------------------+
[
QRP-L Archive |
]
[
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000
]
![]()