K1EL wkusb pcb by SailingDavid
K1EL wkusb pcb, a photo by SailingDavid on Flickr.

resistors, IC sockets, and J2 key jack added


installed test points by SailingDavid
installed test points, a photo by SailingDavid on Flickr.


Si-570 project

24Apr11
Si-570 daughter card by SailingDavid
Si-570 daughter card, a photo by SailingDavid on Flickr.

AA0ZZ Si-570 daughter card





sr-lite-ii-5

Originally uploaded by SailingDavid

Power Supply and Local Oscillator built at this time.





keyer with speed control

Originally uploaded by SailingDavid

Finished solder parts in the K1EL serial port morse code keyer project.

Powered it up with the test software and it works. It returned the version number of the firmware in the PIC processor chip. More testing required after attaching more connectors and mounting in a case.

73,

David



softrock60_pic3

Originally uploaded by SailingDavid

Was back to soldering at the workbench.

More pictures to follow!

73,

David



softrock_70d

Originally uploaded by SailingDavid

Soldering together the version 7.0 software defined radio

73,

David





surface-mount caps

Originally uploaded by SailingDavid

Started to build USB-Controlled Synthesizer.

mounted surface mount caps to bottom … starting to serious dislike the number: 0805

🙂

73,

David — KC4ZVW


1


filter_test8

Originally uploaded by SailingDavid

Another Thursday Build Party of the Bitx20 QRP SSB radio


FLL-pcb

18Jan10



FLL-pcb

Originally uploaded by SailingDavid

Building a BitX-20 and this the FLL p.c. board that is a frequency counter that feeds back to VFO.

73,

David