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Topics - The Radio Shop

Pages: 1 ... 15 16 [17]
241
Test Forum / forum test
« on: June 05, 2012, 09:34:56 PM »
testing

242
Gear Head / Another project
« on: June 04, 2012, 01:18:59 PM »
 8)

243
Vintage CB Forum / Realistic 455 wiring
« on: May 31, 2012, 08:18:15 PM »
Power

244
Gear Head / My new project-Mazda B2200 V8 swap
« on: April 15, 2012, 09:15:27 PM »
Well for the past couple of weeks you may have noticed I have not been around much. Been working on a new project. Non radio related.

This time I dropped a 500 horse power 347 into my 92 Mazda B2200 pick up. Here are a few pics.
I have replaced the front end with new parts. Grill and bumper are semi flat black.


245
Vintage Ham Equipment / My two twins, Yaesu FT-101's
« on: February 06, 2012, 09:42:24 PM »
Well, I have finally started my restoration project on a couple of 101's. I have a E and F that are in great shape.  I also have an EE that is in poor condition.
I worked on the F this past week end and got the receiver up to parr. Really great sounding rig. Now for the transmitter. I can get about a half of what out of it.


246
News / MOVED: Service monitor
« on: February 05, 2012, 09:36:50 AM »

247
How CB radio works / Understanding how CB radio works
« on: January 19, 2011, 12:21:13 PM »
If any are interested I like to start a thread on understanding how CB radios work. I have picked up some free time now and it may be something to help those that want to learn. There are a lot of folks here full of technical knowledge and I think this would be a good tread to help others that want to know learn and understand what is going on in these little set’s.  I see so many folks trying to troubleshoot radios and do not even know where on the board to find the problem let alone on the schematic.

What I like to do is start with a chassis like the cobra 29.
Post a schematic with the various stages marked.
Post a description of components and what they are. For instance;
TR 1 (RF AMP),
IC 3 (TX MIXER)
Ecx.

Just to give the guys that want to learn a bit of a heads up.
Then in the end discuss how to make your own test equipment like using the 29 as a signal generator


I have uploaded the modified schematic. This is not my work. It was given to me and I updated it.

248
Home Brew And Tech Forum / Simple transistor tester
« on: November 13, 2010, 11:14:54 AM »
Here is a simple circuit for testing NPN transistors

249
How CB radio works / Cobra Radio Stuff
« on: October 17, 2010, 03:29:16 PM »
I will post a series of stuff on how CB works. I will be using the cobra 29 as the model. This thread will be a sticky and locked. All questions and comments Will be in another thread.

250
RADIO MODS / Convert cb to different freq
« on: June 11, 2009, 10:31:54 PM »
This one works in the Cobra 29

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