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The QRPGuys DSB Digital Tansceiver Kit For JS8, Part 2.

Gil
Gil - 220 Views
42
220 Views
Published on 21 Jan 2021 / In Technology

Part 1: https://youtu.be/3wB-7YMoIlQ
This digital transceiver kit from QRPGuys is a DSB radio, using both the upper and lower sideband. It is designed for the FT8 mode and crystal controlled. Since I have no use for FT8 I decided to order a custom crystal from Quartslab on the 7078KHz JS8 chat mode frequency. This is part two, finishing and testing the transceiver. The receiver seems a bit noisy and lacks filtering. I can't comment on transmit because of my output power issue (my mistake). My first impression is that there are better choices, but you certainly can't beat the price...

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DSB digital transceiver kit:
https://qrpguys.com/digital-transceiver

3D printed case:
https://www.thingiverse.com/thing:3958912

Custom crystals:
http://quartslab.com

Matthew's crystals on Ebay:
https://www.ebay.com/itm/153793406116

The Phaser USB digital transceiver:
https://midnightdesignsolutions.com/phaser/

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