AM transmitter issues

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

Linear Mode

AM transmitter issues

Radioroslyn
Phorum Expert

Posts: 7,305
Threads: 270
Joined: Dec 2009
City: Roslyn Pa

04-16-2023, 12:02 PM

Here you go John have fun!

https://ia800706.us.archive.org/0/items/...MT3000.pdf

Steve, What John is saying is that maybe Q4 and 5 are bad from having a mismatched antenna. That would give you the symptom that you described. It's important that it sees a proper load across the antenna.

GL

When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry

(This post was last modified: 04-16-2023, 12:18 PM by Radioroslyn.)

Find

« Next Oldest | Next Newest »

Thread Closed

Messages In This Thread

AM transmitter issues - by oldschoolphotoguy - 04-15-2023, 06:39 PM

RE: AM transmitter issues - by vinzer - 04-15-2023, 08:03 PM

RE: AM transmitter issues - by MrFixr55 - 04-16-2023, 10:37 AM

RE: AM transmitter issues - by Radioroslyn - 04-16-2023, 12:02 PM

RE: AM transmitter issues - by radiorich - 04-16-2023, 02:33 PM

RE: AM transmitter issues - by oldschoolphotoguy - 04-21-2023, 05:51 PM

View a Printable Version

Users browsing this thread: 1 Guest(s)

Recent Posts
Philco 42-345 Restoration/Repair
RodB :beerchug:Vlad95 — 10:22 AM
Philco 42-345 Restoration/Repair
Vlad, you nailed it. Swiss and German roots.RodB — 09:54 AM
5U4 vs 5Z4 tubes
Well this is a Hallicrafters SX/9 circa 1936. No real issues so far although I dodged a real bullet with a cap that was...bridkarl — 07:59 AM
5U4 vs 5Z4 tubes
The pinout is the same but the 5U4 has a 3 amp filament, verses 2 amps or less on the 5Z4. I think that the pinout of a ...Arran — 12:04 AM
Philco 42-345 Restoration/Repair
By the way. osanders0311 Take a look here: Dial cord stringing Guides May be here you can fount correct string settin...Vlad95 — 11:15 PM
5U4 vs 5Z4 tubes
5U4 and 5Z4 almost identical. I think nothing happened if you left 5U4 instedad 5Z4 long time. Just heater current 5U4 ...Vlad95 — 11:02 PM
Philco 42-345 Restoration/Repair
Hello Vlad95 , Very Funny ! Sincerely Richardradiorich — 11:01 PM
Philco 42-345 Restoration/Repair
RodB You are European yourself :evil: I'm Canadian for the last 30 years :snowman: But not Yankee :lol: Vlad95 — 10:49 PM
Philco 42-345 Restoration/Repair
The band switch selects different oscillator coils for the band selected. I would look for a bad connection in the switc...RodB — 10:31 PM
Philco 42-345 Restoration/Repair
Hang in there...PaulPaul Philco322 — 09:30 PM

Who's Online

There are currently 995 online users. [Complete List]
» 2 Member(s) | 993 Guest(s)

Login
Username:
Password:	Lost Password?
	Remember me