Hi Hue, thank you very much for the (late ;-) reply to my post from May. This positive effect of the balanced antenna was found by accident. I only tried this...
Udo, yes I have seen this article also. I also recall an article in our "Shortwave Craft" magazine from the 1930s that showed a simple regen, as most common...
Here is an interesting quote I found: "Something I noticed when fooling around is that at the lower detector voltage I was getting enough hand-capacitance on...
Hi Doug, I will scan it for you. Send me some Email. I am curious about the circuit so I am going to build it up and see if I can tame it! I have a vernier, a...
That would be great Mike. I sure would appreciate it and I'll bet there are others who would be interested as well. Doug ... [Non-text portions of this message...
It's a good idea, Des, if you don't mind doing it. What I want to avoid is having a valuable contribution pulled out of reach of the group. One thing that...
Some of you may not know it, but I am also restore and operate vintage printing equipment. While it's all Letterpress and pretty much hand-done, I do work with...
Hi all! New guy here. I just picked up a 1253 off of eBay, listed as "I can't get this thing to work, but I don't know about radios". I assumed that the user...
Additional information/correction: I am using this with a 25' wire with good earth ground via 6' of 10 ga copper wire. I have the Regen control turned about...
Hi David Mine is apart, I haven't looked at it for a couple of years now. And I can't find the manual. But this is what I remember: -R6, the internal pot,...
Hi Rob, Thanks for the recommendations. I'll replace those pots. With my 15' antenna, RF gain is fully CW, R6 fully CCW, and the regen control within a...
David, Recently I trouble shot a regenerative receiver for another gentleman. Just go thru the schematic and you will more than likely find misplaced wires....
Hi Karl, just one quick question: Is your phone jack grounded to the panel? If it is, and your filament 'stat is also grounded to the panel, that would put B+...
Well I built up the two transistor Bipolar per the "Novice pair" article using a stout die cast box and a good vernier and capacitor. I can report that the...
Fooling around the little circuit this morning and I decided to play with the bias on the oscillator stage before winding a new coil. A bipolar transistor can...
Hello group: I've been looking to buy a simple, relatively inexpensive signal generator. Yes I know there are surplus HP, GenRad and other generators out...
John - The best Heathkit RF generator is the IG-42. It's stable, calibrated output, but only goes up to 30 MHz. The others that specify VHF range output just...
THB, Signal Generators offer two good features. One: Frequency stability and settability. You pay more for better qualities. Two: Accurate RF output level....
Hi everyone, You can make a very good one cheaply. Take a look at http://www.sdr-kits.net/ . They do a stand alone model to a design from PA0KLT or a computer...
OK Larry, I think I have a pretty nice bipolar Hartley circuit going now. My radio tunes from 3.3 to 4.1 MHz so I can tune CHU through the top of the 75 Meter...
EXCELLENT work, Mike, and I surely look forward to seeing the schematic. I am a little surprised that the audio is so satisfactory, with only 2 transistors...
... [deletions] ... Sutter's electrically very short antenna was a high impedance to begin with, and then he connected that high impedance to the cathode of...
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Aug 8, 2010 11:46 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the regenrx group. File : /Audion with...
A good bipolar regen is this one, in which the detector and the Q-Multiplier (regenerative circuit) are separated. The Q-Multiplier is a differential amplifier...
Mike, Years ago when I was an engineer for a two-way radio company, my fellow engineer, John, got the assignment to build a new UHF FM radio set. John KNEW a...
Dave et all, Years ago, yeah, I'm beyond boyhood! The National Semiconductor Company had an application note book on radio or such. I cannot remember the...
Bad link on this end. ... -- Cecil k5nwa www.k5nwa.com www.dspradio.org www.yellowdogparts.com Blessed are the cracked, for they shall let the light in. ...
Cecil, I think this excellent idea actually pre-dates the regen. Certainly around 1910-11 the Germans and Austrians (Meissner & Otto Von Bronk) were trying...
