Sunday, January 28, 2018

Building the Ceramic Discrete Direct Conversion Receiver #4 -- The Mixer

›
I think the most important stage of a direct conversion receiver is the mixer.   This is the stage that takes the RF energy coming in fro...
7 comments:
Sunday, January 21, 2018

Mike Rainey and Heavy Metal AM Phone

›
Michael Rainey AA1TJ wrote:   I can tell you exactly what's going on here. I'd just received a license upgrade from "Novic...
3 comments:
Saturday, January 13, 2018

SolderSmoke Podcast #202 Cover-Rig, SKN, Pete's Vector Boards, uBITX, K1BQT rig, MAIL

›
http://n6qw.blogspot.com/ SolderSmoke Podcast #202 is available:  http://soldersmoke.com/soldersmoke202.mp3 13 Jan 2018 Openi...
5 comments:
Friday, January 12, 2018

Towers and Antennas in Church Steeples and on Mt. Washington (VIDEO)

›
1 comment:
Saturday, January 6, 2018

Steve Murphy N8NM on QSO Today

›
It was really nice to sit back and listen to Eric's talk with Steve Murphy.  Don't miss this one.  Listen here:  https://www....
2 comments:

Straight Key Night at N2CQR

›
I did my part for the retro-Luddite-CW-Straight Key cause.   My HT-37 was kind of wheezing.  I may have to go in there to striaghten it ...
1 comment:
Monday, January 1, 2018

Jeff Damm WA7MLH on QSO Today

›
Happy New Year!     There was so much wisdom and tribal knowledge in Eric Guth's interview with Jeff Damm WA7MLH. It was ...
2 comments:
Sunday, December 31, 2017

Ceramic DC Receiver on the Cover of SPRAT. Happy New Year to All! Straight Key Night.

›
G-QRP very kindly put my little DC Receiver on the cover of issue Nr. 173.   (Very sorry to see that GM3OXX has become a Silent Key. )  ...
Saturday, December 30, 2017

Building the Ceramic Discrete Direct Conversion Receiver - Part 3 -- The Audio Amplifier

›
Once you have achieved JOVO and have the oscillator covering the frequency range you desire, it will be time to build the audio ampl...
3 comments:
Thursday, December 28, 2017

Caribbean Beach Listening Post

›
Oh man, I wish I was still there.  It was 85F and very nice on Christmas Eve on the Eastern tip of the Island of Hispaniola in the ...
2 comments:
Friday, December 22, 2017

The Three Body Problem by Cixin Liu

›
Strongly recommend this sci fi book.   Lots of physics Some e!ectronics.  And even a bit of Morse.   Ask Santa.
1 comment:
Sunday, December 17, 2017

Building the Ceramic Direct Conversion Receiver Part 2 -- Building the VFO -- Our Goal is JOVO!

›
DC RX VFO and Buffer I'll put the full schematic at the bottom of each of the posts so that you can easily refer to the big pictu...
9 comments: