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Shack Accessoires - Audio

A simple 2-tone-generator for testing the linearity of SSB transmitters by DK7IH
This device is as simple as useful. With 2 transistors and an oscilloscope it is fairly easy to test the linearity of your SSB transmitter. The 2-tone-method is a standarized test method that can be used to determine the maximum output and the amplification characteristics of a sideband transmitter.
https://dk7ih.de/2016/01/a-simple-2-tone-generator-for-testing-the-linearity-of-ssb-transmitters/

Mosfet headphone amplifier by PA2RF
Using only 12 components you can build your own 1-channel headphone amp. You can use it to connect it to the audio output of your CD- or MP3- player. Also it can be used as a final stage in your receiver designs.
http://pa2rf.blogspot.com/2013/08/simple-mosfet-headphone-amplfier.html

The HZX Headphone Adapter by N1BYT
Looking for a pair of high-quality, high-impedance headphones for that crystal radio project? Build the HZX headphone adapter and use your Walkman-style headphones instead!
http://www.arrl.org/files/file/Technology/tis/info/pdf/9809067.pdf

WSPR VOX for the FT-817 by ZL4SAE
Having recently acquired an FT-817 I was interested in trying it in WSPR mode. It didn’t take much research to discover that the DATA connector on the rear panel has bi-directional audio, labelled as data. PTT is also available on the same connector. Unfortunately there is no VOX capability when using this port.
https://gw4sae.wordpress.com/2016/12/16/wspr-vox-for-the-ft-817/

Zero-Beat Tuning Aid by MB>N5ESE
Whether you're tone deaf, or just a geezer like myself, you might benefit with this handy little tuning aid. Connect it in parallel with your speaker or headphones. When you're ready to zero-beat the station calling CQ, press the pushbutton. ...
http://www.n5ese.com/zerobeat.htm


Creatie datum : 22/09/2007 @ 10:57
Laatste wijziging : 18/08/2024 @ 18:53
Categorie : Shack Accessoires
Pagina gelezen 25469 keren


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