Direct conversion receiver - a demonstration

A video for those who haven't heard what a direct conversion receiver sounds like for amateur band reception.

This is a tune across 40 metres with a homebrew direct conversion set. SSB and CW signals are audible.

The receiver is a high dynamic range design inspired by Rick Campbell's R2. It is not single signal so you will hear the audio image when tuning across a transmission.

The antenna was a half wave dipole and the test was done from a noisy suburban location.

Category:

Science & Technology

Tags:

• homebrew
• direct
• conversion
• receiver
• amateur
• ham
• radio
• 40
• metres
• MHz
• KK7B

[spgough1]

Is this the DC-2000 Rx by Peter Parker?

[vk3ye]

@spgough1 Yes :)

[Dfred63]

Hi Peter, Nice DC RX ,seems to have nice audio, and sensitive to boot. Pity the video is a bit out of focus. Regards Darryl VK5JDS

[spgough1]

:-) I've been contemplating building this after I read an article on it. Do you have a set of schematics for it?

[djdaverichards]

I'm a big fan of direct conversion receivers, and this one sounds great. Thanks for sharing!

[HobieTyourtube]

Great little receiver----"hetrodyning "down to audio frequencies?

That R.F. amplifier sure is-livelly.

I love the vernier drive on the Local Oscillator tuning capacitor.

Good to see , that the art of "Home Brew "is alive and well

Cheers.

Steve VK7ZOB.

[HighFlyer186]

Great reciever, Keep up the good work.

73 Peter G0OMH

[stuartthegrant]

Very nice reciever thats for sure.

Good one..

[hfradionut]

Sweet receiver.gotta love that homebrew stuff.great video