Has anyone used the PCB's designed by Ashhar Fahran and posted on his website ? I am having some trouble with component placement and wonder if anyone could supply me with a picture of the completed

FYI Front-panel pictures of my completed BITX20 are shown in "Photos/K7HKL/...". I finally got it into a box, but the front panel labels are not yet made and applied. The front panel items, Left-t

Help me, please how is possible to make an modification to operate the BITX-20 with microphone and CW, a simple modification and to add one side-tone on circuit.How is possible? Thank You! Felipe

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /MODIFICATIONS/clear LF.doc Uploaded by : vdberghak <

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /MODIFICATIONS/BITX20 (K7HKL AF Amp) Version.pdf Uplo

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /K7HKL/L-Meter(Mark-1).pdf Uploaded by : k7hkl_arv <a

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /MODIFICATIONS/LED Power Indicator.pdf Uploaded by :

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /BITX 20 V1 /btxv1.pdf Uploaded by : vu3wjm <vu3wjm@.

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Hi all, last weekend, I erected a dipole antenne for 18 MHz. I had finished the BITX17 without the IRF510, the output power of the used 2N2219 is about 150 mW. Some tests with PA3CWS (distance about

Guys, i was travelling the whole of two weeks. living with a thinkpad and two changes of cloths give u a lot of perspective on homebrewing. there are a number of very interesting issues that have b

Felipe Do you now have a working BITX20 operating on SSB mode? My suggestion is that you complete and test the SSB version of a BITX20 first.  Then we will work on what you need to do to add CW

Sorry!   Group pages not available here currently. Unable to post the new version of PCB. Will do so as soon as they become available here.   73   Rahul VU3WJM Do you Yahoo!? Win 1 of 4,00

If you are building a BITX20 with plans for adding CW mode operation, you might want to consider the following method of obtaining PTT keying: Since most computer microphones (the internal FET type)

On this forum, look in <LINKS/Software Tools> for links to some of the software tools that I find useful in working with the BITX20 design.

For CW-mode TX tone generation in the BITX20 design, has anyone tried injecting a 10 MHz signal that is 700 Hz off frequency from the BFO oscillator? Such a signal would be injected into the BFO bala

Is there someone who has built a BITX20 exactly per Farhan's original design and would be willing to measure the current draw for Rx and for TX modes? I am working on a solid-state switch arrangeme

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /BITX 20 V1 /btxv2col.pdf Uploaded by : vu3wjm <vu3wj

Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the BITX20 group. File : /MODIFICATIONS/BITX20 CW Tone Osc (ARRL).png Uploaded

FYI If you copied my earlier posting of a Twin-T tone oscillator for BITX20 CW Mode operation, you should know that it was missing the feedback & bias line between the two transistors. I have remove