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Updated Microphone Transceiver (markdown)

Brumi-2021 2022-12-08 20:55:27 +01:00
parent c564f47ad2
commit 65cf6c63b6
1 changed files with 14 additions and 2 deletions
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16
Microphone-Transceiver.md

@ -7,7 +7,7 @@ And since them we are currently supporting those following ones (valid from , [
* Narrow and normal band FM (NBFM/FM), * Narrow and normal band FM (NBFM/FM),
* Wide band FM (WBFM), * Wide band FM (WBFM),
* Amplitude Modulation (AM), * Double side band AM with carrier,(DSB-C,AM),
* Upper Side Band (USB), * Upper Side Band (USB),
* Low Side Band (LSB) * Low Side Band (LSB)
* Double Side Band with suppressed carrier (DSB-SC). * Double Side Band with suppressed carrier (DSB-SC).
@ -126,12 +126,24 @@ We have added five user "**Boost**" options , activating on/off , the mic-boost
* **VOL :** Audio receiver volume control. * **VOL :** Audio receiver volume control.
* **FM RX BW:** This GUI option , allows in NFM-FM mode to set up the receiver Bandwidth setting. It can be set to either * **RX BW:** This GUI option , allows several analogue demodulation options :
in NFM-FM mode to set up the receiver Bandwidth setting. It can be set to either
> * 8k5kHz- NFM (delta FM deviation +/- 1,25 khz, FM index modulation:0,4) > * 8k5kHz- NFM (delta FM deviation +/- 1,25 khz, FM index modulation:0,4)
> * 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
* 200Khz FM bandwidth , for commercial FM stations.
In AM
* DSB1 -9Khz, DSB2-6Khz bandwidth.
In USB , upper -3khz single side band.
In LSB , lower +3khz single side band.
In DSB-SC , we can select which SSB band to demodulate from both received (LSB, USB), in DSB-SC both side bands has the same modulated signal.
* **F:** The RX frequency can be set in the usual way with text pad when selected * **F:** The RX frequency can be set in the usual way with text pad when selected