TheArchive/mayhem-firmware
1
0
Fork 0
mirror of https://github.com/portapack-mayhem/mayhem-firmware.git synced 2024-11-27 12:05:34 +00:00
Code Issues Packages Projects Releases Wiki Activity

Updated Microphone Transceiver (markdown)

Brumi-2021 2023-07-17 18:14:37 +02:00
parent 3a8f832ab2
commit 0125dd7dfa
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
Microphone-Transceiver.md

@ -101,7 +101,7 @@ From [Nightly Release - 2023-04-05] onwards it has been added a new check box (n
> * Narrow band FM (NFM-FM) TX ,and supporting NFM-FM RX : BW: 8K5 (8K50F3E) , 11Khz (11K0F3E) ,and FM RX BW :16Khz (16K0F3E) > * Narrow band FM (NFM-FM) TX ,and supporting NFM-FM RX : BW: 8K5 (8K50F3E) , 11Khz (11K0F3E) ,and FM RX BW :16Khz (16K0F3E)
> * Wide band FM (WBFM) TX , and supporting WFM RX of the following BW: 200kHz (Emissions Designator 200KF3E) > * Wide band FM (WBFM) TX , and supporting WFM RX of the following BW: 200kHz (Emissions Designator 200KF3E).
> * Amplitude Modulation (AM) TX fixed to the standard AM-6K00A3E, but supporting AM RX with two selectable receiver bandwidth filters, BW : 9 and 6kHz (covering both side lateral bands, AM DSB with carrier AM-9K00A3E / AM-6K00A3E) > * Amplitude Modulation (AM) TX fixed to the standard AM-6K00A3E, but supporting AM RX with two selectable receiver bandwidth filters, BW : 9 and 6kHz (covering both side lateral bands, AM DSB with carrier AM-9K00A3E / AM-6K00A3E)
> >
@ -146,8 +146,8 @@ Once is marked , we have a common same frequency (F = F_TX) and therefore, to no
> * 11Khz - NFM (delta FM deviation +/- 2,50 khz, FM index modulation:0,75) > * 11Khz - NFM (delta FM deviation +/- 2,50 khz, FM index modulation:0,75)
> * 16kHz - FM (delta FM deviation +/- 5,0 khz, FM index modulation:1,6) > * 16kHz - FM (delta FM deviation +/- 5,0 khz, FM index modulation:1,6)
> In WFM > In WFM mode
> * 200Khz FM bandwidth , for commercial FM stations. > * 200Khz FM bandwidth , for commercial FM stations with soft band pass transition. And recently also added the bandwiths BW: 180khz and 40khz (that last one, mainly for NOAA analog FM APT - 137 Mhz reception), both with sharp stop band transition.
> In AM > In AM
> * DSB1 -9Khz, DSB2-6Khz bandwidth. > * DSB1 -9Khz, DSB2-6Khz bandwidth.