Alert icon
We're changing our privacy policy. This stuff matters.  Learn more  Dismiss

Homebrew superhet amateur bands receiver

Loading...

Sign in or sign up now!
12,423
Loading...
Alert icon
Sign in or sign up now!
Alert icon

Uploaded by on Apr 27, 2008

A demonstration of a homebrew receiver designed for SSB/CW reception and published in Lo-Key magazine December 2007.

RF Amp: BC547
Mixer: 3N140 (FET)
Local osc: 74HC04
Xtal filter: 4.434 MHz (3 xtals)
IF amp: BC547
Det: 1N414 x 2
BFO: BC547 x 2
AF preamp & amp: TDA2822

Demonstration is tuning 40 metres (7 MHz) at 3:30pm from Melbourne, Victoria.

Category:

Howto & Style

Tags:

License:

Standard YouTube License

  • likes, 0 dislikes

Link to this comment:

Share to:
see all

All Comments (7)

Sign In or Sign Up now to post a comment!
  • where can one find the schematics and board designs if they exist? I can't get the Lo-Key Magazine here in Spain. I suggest you publish all those equipment in your website, they can raise a lot of interest...

  • yo8rqp, it was at midday (3pm) typical noise at that hour...

  • heavy noise ruins demo!!!!!!!! or is it bad dssign?????

  • it,a bad rig because your noise it,s strong.i construct homemade with direct conversion verry good.i using in trafic.73s de yo8rqp,romania

  • Ime very struck by the variety off kit you demonstrate.

    Great channel "vk3ye" 5 stars

  • Nice receiver !

  • it so great!

Loading...
0 / 00Unsaved Playlist Return to active list
    1. Your queue is empty. Add videos to your queue using this button:
      or sign in to load a different list.
    Loading...Loading...Saving...
    • Clear all videos from this list
    • Learn more