Re: [HBR] Fw: Re: Help with posting to site

[WA5VGO]

Sometime back, Walt Hutchens suggested the grounded cathode Colpitts to me. 
This is the way to go. Since the feedback comes from a capacitor divider, 
no feedback tap is necessary. An old if transformer works perfectly.

73,
Darrell, WA5VGO


At 03:56 PM 1/4/2009 -0600, you wrote:

>Let's see if it's up..........
>
>73 Kees K5BCQ
>
>---------- Forwarded Message ----------
>Thanks for the reply Kees. Since the site is down, do you have any 
>suggestions for a circuit to use for a bfo
>   injection oscillator and the parameters for winding the coil, say a 
> hartley, and at what point the tap comes
>   off. I have heard that the hartley generates lots of harmonics. Would a 
> colpitts be a better choice, I
>   found a .455 khz colpitts that was used for the injection to a balanced 
> SSB modulator in Orr,s handbook.
>   I forgot, all of this pertains to an HBR receiver and making a BFO for 
> a product detector. If you don't have
>   time to respond, I understand, most us have little time for our selves. 
> Perhaps you have some e-mail
>   address,s of some of the more active and current HBR builders. I'm 
> trying to get started on my first one.
>   I have many pertinent parts for building just about anything, including 
> the infamous Eddystone dial.
>
>When they get the site up, I need to figure out how to make postings to 
>it, so I can get some help from the
>   hams that have been there and done it, so to speak.  Thanks 
> agn  Regards John Marshall
>



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