Welcome Guest! Be sure you know and follow the Phorum Rules before posting. Thank you and Enjoy! (January 12) x

Thread Closed
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

GE 107 loop antenna replacement
#4

If it is only resonant at the low end of the dial the loop is too long.Too much inductance. There is a simple devise called a Grid Dip Meter (gdo) that can tell you at what frequency a coil/capacitor circuit is tuned to.
Chop some off.

Terry


Messages In This Thread
GE 107 loop antenna replacement - by Tgace459 - 05-28-2016, 11:16 PM
RE: GE 107 loop antenna replacement - by Tgace459 - 06-19-2016, 09:35 PM
RE: GE 107 loop antenna replacement - by Radioroslyn - 06-20-2016, 08:09 AM
RE: GE 107 loop antenna replacement - by Tgace459 - 06-20-2016, 09:32 AM
RE: GE 107 loop antenna replacement - by Tgace459 - 06-20-2016, 12:58 PM
RE: GE 107 loop antenna replacement - by Tgace459 - 06-20-2016, 11:37 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Philco Model 16 wiring question
Thanks Morzh. So it appears I did wire it incorrectly and I have to switch the wires between pins 2 and 4.bobclausen — 09:24 AM
Philco 46-1209 strange behavior
No, it's not a problem, just during certain condition it could show up. Yes, an internal tube short could do that too. ...morzh — 09:13 AM
HiFi (Chifi) tube amp build - but my own design.
You sound guys are never satisfied. :crazy: :clap:RodB — 09:10 AM
HiFi (Chifi) tube amp build - but my own design.
I got some new ceramic octal tube sockets installed and also tried some different coupling caps.  The results:  The go...TV MAN — 08:42 AM
Philco 46-1209 strange behavior
I pulled the tube out and it's shorted from pin 1 to pin 2. I suppose that's the problem...sq65 — 08:12 AM
1949 Motorola 5A9M
bob  Nice work on battery . If you don't. Have terminals i have a few spares  Samsam — 02:12 AM
1949 Motorola 5A9M
hello mr Fixr, for sure !! I have some radios that I need to make some batteries for too. Sincerely richardradiorich — 12:33 AM
1949 Motorola 5A9M
Dittos, sweet b on the battery. Love the "9 Lives" logo, remembered from my childhood. Other neat ones are t...MrFixr55 — 11:24 PM
Philco 46-1209 strange behavior
Hi Morzh, Dunno if the AC EMI caps are an issue. I never liked the concept but never had an issue with these causin...MrFixr55 — 11:21 PM
Philco 46-1209 strange behavior
And no hum without the 7AF7? Not common but I am thinking heater - cathode short. This would introduce hum in this sta...MrFixr55 — 11:14 PM

[-]
Who's Online
There are currently 1155 online users. [Complete List]
» 1 Member(s) | 1154 Guest(s)
Avatar

>