Reply
 
LinkBack Thread Tools Search this Thread Display Modes
  #1   Report Post  
Old October 25th 04, 02:50 AM
Steve
 
Posts: n/a
Default

There was a very useful article in a recent issue of QST about
dip meters. Anyone with a GDO should read it!

The depth and width of the 'dip' is a function of the Q of the
circuit. Some GDO's are not very sensitive, and that may be the
case with yours. If you have an oscillator coil out of an old
AM radio, put a good quality cap (mica) across it and see
how your GDO works with it. You should be able to get a
good dip with your GDO coil about 0.5" away..

Steve W6SSP

BFoelsch wrote in message
...
Does anybody here have any honest-to-goodness experience with Grid Dip
Meters?

I have an old Heath HD-1250, which is a solid state equivalent, and I have
never been convinced that it works well. Seems like the dips are vague,
unless coupling to the circuit is awfully tight.

Anyway, looking for opinions, or preferably facts, as to which grid dip
meters are the good ones and why.

Thanks in advance.




  #2   Report Post  
Old October 25th 04, 02:50 AM
Steve
 
Posts: n/a
Default

There was a very useful article in a recent issue of QST about
dip meters. Anyone with a GDO should read it!

The depth and width of the 'dip' is a function of the Q of the
circuit. Some GDO's are not very sensitive, and that may be the
case with yours. If you have an oscillator coil out of an old
AM radio, put a good quality cap (mica) across it and see
how your GDO works with it. You should be able to get a
good dip with your GDO coil about 0.5" away..

Steve W6SSP

BFoelsch wrote in message
...
Does anybody here have any honest-to-goodness experience with Grid Dip
Meters?

I have an old Heath HD-1250, which is a solid state equivalent, and I have
never been convinced that it works well. Seems like the dips are vague,
unless coupling to the circuit is awfully tight.

Anyway, looking for opinions, or preferably facts, as to which grid dip
meters are the good ones and why.

Thanks in advance.




  #3   Report Post  
Old October 25th 04, 03:09 AM
K9SQG
 
Posts: n/a
Default

The James Millen meters are excellent, especially the solid state one. I've
used both with excellent results...
  #4   Report Post  
Old October 25th 04, 03:09 AM
K9SQG
 
Posts: n/a
Default

The James Millen meters are excellent, especially the solid state one. I've
used both with excellent results...
  #5   Report Post  
Old October 26th 04, 12:34 AM
Dale Parfitt
 
Posts: n/a
Default


"BFoelsch" wrote in message
...
Does anybody here have any honest-to-goodness experience with Grid Dip
Meters?

Over the years, I have owned them all- Heath tube, solid state, tunnell (
probably the worst or maybe the MFJ add on kit for the 259 analyzer is the
worst), Knight, Millen, Eico. Heads above all the rest are the Measurements
model 159. You can take a 1 meter rod- hold the dipper head 2-3" away from
the center (current loop) and get a huge deflection at 150 MHz. Never saw
another meter that would do that at any distance.
I keep spare heads, tubes and coil sets in case of disaster.
Dale W4OP




  #6   Report Post  
Old October 26th 04, 12:34 AM
Dale Parfitt
 
Posts: n/a
Default


"BFoelsch" wrote in message
...
Does anybody here have any honest-to-goodness experience with Grid Dip
Meters?

Over the years, I have owned them all- Heath tube, solid state, tunnell (
probably the worst or maybe the MFJ add on kit for the 259 analyzer is the
worst), Knight, Millen, Eico. Heads above all the rest are the Measurements
model 159. You can take a 1 meter rod- hold the dipper head 2-3" away from
the center (current loop) and get a huge deflection at 150 MHz. Never saw
another meter that would do that at any distance.
I keep spare heads, tubes and coil sets in case of disaster.
Dale W4OP


Reply
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules

Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Ohio/Penn DX Bulletin #649 Tedd Mirgliotta Dx 0 February 22nd 04 09:15 PM
Ohio/Penn DX Bulletin #649 Tedd Mirgliotta Dx 0 February 22nd 04 09:15 PM
Ohio/Penn DX Bulletin #629 Tedd Mirgliotta Dx 0 October 5th 03 09:32 PM
Ohio/Penn DX Bulletin #629 Tedd Mirgliotta Dx 0 October 5th 03 09:32 PM
Ohio/Penn DX Bulletin #617 Tedd Mirgliotta Dx 0 July 6th 03 10:10 PM


All times are GMT +1. The time now is 09:32 PM.

Powered by vBulletin® Copyright ©2000 - 2024, Jelsoft Enterprises Ltd.
Copyright ©2004-2024 RadioBanter.
The comments are property of their posters.
 

About Us

"It's about Radio"

 

Copyright © 2017