Saturday, May 30, 2015

BITX DIGI-TIA Build Update #6: Boxing it up!

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  Basic Basswood Box (From Michael's or Amazon)   Space cut out for Si5351 board and for AF Gain and Mic jack   Coppe...
1 comment:
Wednesday, May 27, 2015

BITX DIGI-TIA Update #5: Amplifiers Built and Tested

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I have the RF amplifier stages done, and I worked a bit on the shielding.  This circuit board will be along the back, turned around, wit...
1 comment:
Tuesday, May 26, 2015

BITX DIGI-TIA Update #4

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  Lots of progress over the long weekend.  Along the back you can see the three stages of the RF amplifier chain:  2N3904, 2N2218A, IR...
1 comment:
Sunday, May 24, 2015

Sage Advice on Homebrewing from WA3EIB

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Bill, Pete,   Thanks for the sage advice.   You are absolutely right, I should stick to the plan and finish the project before tromping o...
Thursday, May 21, 2015

Frank Harris and the Nobel Prize for Sideband

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A lot of wisdom and good info in this chapter (and in the whole book); http://www.qrparci.org/wa0itp/chap15.pdf http://www.wa0itp.com/cr...
Wednesday, May 20, 2015

National RF

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  Pete and I both spotted the ads in QST for this company and their little HF receiver.  In the finest tradition of Tuna Tins and Herri...
4 comments:
Monday, May 18, 2015

BITX DIGI-TIA Build Update #3 Video of Receiver in Operation

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A few things I forgot to mention in the video: That USB port on the front panel has already come in handy.  I needed to switch the tunin...
4 comments:
Sunday, May 17, 2015

Pete Juliano, N6QW, Inducted into the QRP Hall of Fame

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Reliable sources in Dayton, Ohio and in the United Kingdom report that Pete Juliano, N6QW, has been inducted into the QRP Hall ...
2 comments:
Saturday, May 16, 2015

SolderSmoke Podcast 176: Knack-Related Conditions: Termination Insensitivity, Sideband Inversion, Dongle Modification, Area 5351 Conspiracy Disorder

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SolderSmoke Podcast #176 is available! (And it is GOOD!) http://soldersmoke.com/soldersmoke176.mp3 16 May 2015 Bench Update: Pete ...
1 comment:
Sunday, May 10, 2015

BITX DIGI-TIA Build Update #2 Installing and Testing Yaesu SSB Filter

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Termination Insensitivity.  It sounds like some sort of psychological problem, but it is not! Our book: "SolderSmoke -- Global Adv...
Saturday, May 9, 2015

BITX DIGI-TIA Build Update #1 Building the First 2 TIA Amplifiers

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I started building the new transceiver today.   I am tentatively calling it the BITX DIGI-TIA.  Digi because it will have at its heart ...
Thursday, May 7, 2015

IF Selection -- Which Filter for the New Rig?

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With some prodding from Pete Juliano, I am moving forward on my next transceiver.  Same wood box enclosure (with copper flashing), but th...
6 comments: