tag:blogger.com,1999:blog-31955893.post1407398409563702036..comments2024-01-16T18:45:41.582+00:00Comments on The "Speaky" HF SSB transceiver and other homebrew projects: HF radio... some testsRicardo - CT2GQVhttp://www.blogger.com/profile/10682005152577217807noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-31955893.post-81214780310531061402011-09-16T17:32:48.402+01:002011-09-16T17:32:48.402+01:00Hello Anonymous:
"In the video the first con...Hello Anonymous:<br /><br />"In the video the first control used is the variable audio filter (shcematic above)" .... <br /><br />so the answer is no.... it's a variable center frequency (bandpass) filter.<br /><br />73 de Ricardo - CT2GQVRicardo - CT2GQVhttps://www.blogger.com/profile/10682005152577217807noreply@blogger.comtag:blogger.com,1999:blog-31955893.post-91980498817850921922011-09-16T15:04:34.878+01:002011-09-16T15:04:34.878+01:00is this a notch filter????... please reply.....is this a notch filter????... please reply.....Anonymousnoreply@blogger.com