1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Home Radios
Thread Rating:
  • 0 Vote(s) - 0 Average
  • 1
  • 2
  • 3
  • 4
  • 5

Linear Mode
460 kHz, 470kHz, 455 kHz, . . .
Radioroslyn
Phorum Expert
*****
Posts: 7,248
Threads: 266
Joined: Dec 2009
City: Roslyn Pa
#4

04-15-2019, 03:26 PM
The early 30's Philco superhets used 175 and 260 kc.  Philco also use several tuned radio frequency (trf) circuits too, these don't require any IF circuitry. Most of these are from the late 20's and early 30's.
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
Find
« Next Oldest | Next Newest »


Messages In This Thread
460 kHz, 470kHz, 455 kHz, . . . - by Jake Blake - 04-15-2019, 02:10 PM
RE: 460 kHz, 470kHz, 455 kHz, . . . - by Radioroslyn - 04-15-2019, 03:26 PM
RE: 460 kHz, 470kHz, 455 kHz, . . . - by 35Z5 - 04-15-2019, 05:23 PM



Users browsing this thread: 1 Guest(s)
[-]
Recent Posts
Cannot Adjust an IF Transformer’s cores
The abilities of our 'Phorum Pholks" never ceases to amaze me! Fantastic fabrication, Joseph! I'm waiting now for...GarySP — 08:27 PM
PT-6 antenna connections
Thanks. I never realized that was a notch noted in the schematic as described. I’ll recheck my wiring.bridkarl — 08:13 PM
Cannot Adjust an IF Transformer’s cores
Thank you! I was quite new to the Phorum when I started this post, so I feel like it might be advantageous to publish a ...jrblasde — 08:07 PM
PT-6 antenna connections
Notice in the schematic the notch at the bottom of the antenna coil is between pins 3 & 4. Yes, pin 6 of the 7C6 is...RodB — 07:34 PM
bridkarl
I have two PT-6 chassis. On both there is a blue wire that runs from the above chassis transformer to pin 6 of 7C6. So t...bridkarl — 07:23 PM
Cannot Adjust an IF Transformer’s cores
Joseph, now you are an engineer!!RodB — 06:37 PM
PT-6 antenna connections
Hi, reading your explanation I can see the confusion. If you take it one connection at a time it should result in a desi...RodB — 06:34 PM
Cannot Adjust an IF Transformer’s cores
It works! I received the PCBs this morning in the mail, and put everything together. I reused the base from the original...jrblasde — 04:32 PM
PT-6 antenna connections
I seem to have lost my way on this PT-6. I see the antenna aerial transformer schematic - I’m reading pins 1 through ...bridkarl — 12:30 PM
40-150 General questions
Good thing you're a good electrician ... the pictures show a lot of rewiring in your future! Take care and BE HEALTHY!...GarySP — 11:52 AM

[-]
Who's Online
There are currently 4178 online users. [Complete List]
» 1 Member(s) | 4177 Guest(s)
Avatar

>
  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Home Radios