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

39-25 Project
#27

Thank you Mike!!
So that would be:
(((310-210)/2000)^2)*280 *2 = 1.4 watts
and similarly 0.35 watts for the 70 ohm resistor.

So the 0.5 watt spec for the 70 makes sense.

[Image: https://www.dropbox.com/s/tey162um7tw6ox....jpg?raw=1]


Messages In This Thread
39-25 Project - by klondike98 - 02-07-2014, 12:11 AM
RE: 39-25 Project - by tab10672 - 02-07-2014, 12:14 AM
RE: 39-25 Project - by morzh - 02-07-2014, 10:56 AM
RE: 39-25 Project - by klondike98 - 02-07-2014, 11:36 AM
RE: 39-25 Project - by klondike98 - 02-20-2014, 10:40 AM
RE: 39-25 Project - by Tom Hamilton - 02-25-2014, 12:57 PM
RE: 39-25 Project - by klondike98 - 02-25-2014, 02:08 PM
RE: 39-25 Project - by klondike98 - 02-25-2014, 02:53 PM
RE: 39-25 Project - by Tom Hamilton - 02-25-2014, 07:22 PM
RE: 39-25 Project - by shaler78 - 02-25-2014, 08:42 PM
RE: 39-25 Project - by klondike98 - 02-25-2014, 11:17 PM
RE: 39-25 Project - by klondike98 - 03-08-2014, 11:07 PM
RE: 39-25 Project - by Ron Ramirez - 03-09-2014, 12:14 AM
RE: 39-25 Project - by klondike98 - 03-09-2014, 08:30 AM
RE: 39-25 Project - by Joeztech - 03-23-2014, 04:12 PM
RE: 39-25 Project - by klondike98 - 03-23-2014, 04:48 PM
RE: 39-25 Project - by morzh - 03-23-2014, 06:10 PM
RE: 39-25 Project - by klondike98 - 03-23-2014, 06:27 PM
RE: 39-25 Project - by OldRestorer - 03-23-2014, 09:38 PM
RE: 39-25 Project - by klondike98 - 03-25-2014, 02:04 PM
RE: 39-25 Project - by Chuck Schwark - 03-25-2014, 02:21 PM
RE: 39-25 Project - by klondike98 - 03-25-2014, 02:34 PM
RE: 39-25 Project - by Tom Hamilton - 03-26-2014, 01:51 AM
RE: 39-25 Project - by klondike98 - 07-15-2014, 07:27 PM
RE: 39-25 Project - by klondike98 - 07-15-2014, 07:50 PM
RE: 39-25 Project - by morzh - 07-15-2014, 09:09 PM
RE: 39-25 Project - by klondike98 - 07-16-2014, 10:43 AM
RE: 39-25 Project - by morzh - 07-16-2014, 03:57 PM
RE: 39-25 Project - by klondike98 - 07-16-2014, 08:22 PM
RE: 39-25 Project - by klondike98 - 07-21-2014, 12:26 PM
RE: 39-25 Project - by Radioroslyn - 07-21-2014, 01:18 PM
RE: 39-25 Project - by klondike98 - 07-21-2014, 05:27 PM



Users browsing this thread: 2 Guest(s)
[-]
Recent Posts
Philco 91 code 221
Chassis grounds thru rivets is another good place to look. Oh and the stator screws on the tuning cap where the leads at...Radioroslyn — 08:11 AM
Philco 91 code 221
Dirty tube pins and socket, cold solder joint, stray tiny strand of wire, clean the entire area around the oscillator tu...RodB — 08:43 PM
Philco 91 code 221
I have been restoring one of these sets and switched it on yesterday. It didn't exactly spring into life, but after a co...Philconut — 08:26 PM
Philco 50-925 antenna connections
That's super. Glad to hear you figured it out. Paul.Paul Philco322 — 11:11 AM
Philco 50-925 antenna connections
Hello Keith, great news !! Sincerely Richardradiorich — 02:14 AM
Philco 50-925 antenna connections
Finally, got the antenna fixed (repaired some broken wires) and have the radio playing. I've got four different schemat...keith49vj3 — 09:38 PM
1949 Motorola 5A9M
Bob, Nice radio.  I’ve not seen one before.  Keep us updated!Joe Rossi — 07:56 PM
Phioco 90 Power Transformer Wire Colors
Thanks for adding that information.klondike98 — 06:09 PM
Phioco 90 Power Transformer Wire Colors
Although I have used this site as a resource for a number of years this is my first post.   I am restoring a Model 90 si...vincer — 05:02 PM
My collection presentation
There is a complete instruction how to solve your problem. One piece of advice - be careful with the low-voltage capacit...Vlad95 — 09:32 AM

[-]
Who's Online
There are currently 742 online users. [Complete List]
» 1 Member(s) | 741 Guest(s)
Avatar

>