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Updated Microphone Tranceiver (markdown)

Brumi-2021 2022-05-10 17:59:20 +02:00
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Microphone-Tranceiver.md

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The Microphone App provided till firmware version 1.3.1 a Narrow band FM transmitter application, that allows the transmission of voice and when not transmitting allows you to receive in a simplex way if configured. The Microphone App provided till firmware version 1.3.1 a Narrow band FM transmitter application, that allows the transmission of voice and when not transmitting allows you to receive in a simplex way if configured.
From firmware version 1.4.0 onwards, it has been added added some other additional analogue mod(TX) /demod (RX) FM/AM/LSB/USB/DSB. From firmware version 1.4.0 onwards, it has been added some other additional analogue mod(TX) /demod (RX) FM/AM/LSB/USB/DSB.
## Key Controls ## Key Controls
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* **F:** This field set the Frequency for the transmission. * **F:** This field set the TX Frequency for the transmission.
* **BW:** This field sets the +/- FM Frequency deviation (adjustment range 0-150 Khz) . * **BW:** This field sets the +/- FM Frequency deviation (adjustment range 0-150 Khz) .
(WFM systems usually +/-75 Khz, NFM : a typical VHF/UHF two-way radio signal is using 5 kHz peak deviation) (WFM systems usually +/-75 Khz, NFM : a typical VHF/UHF two-way radio signal is using 5 kHz peak deviation)
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* **FM RX BW (this option is only applicable and available to the FM reception) :** The is the narrow band FM Receiver Band Width setting. It can be set to either 8k5kHz,11Khz or 16kHz. * **FM RX BW (this option is only applicable and available to the FM reception) :** The is the narrow band FM Receiver Band Width setting. It can be set to either 8k5kHz,11Khz or 16kHz.
* **F:** The 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
* **SQ:** This can be set between 0 and 99 typically 50 is threshold. * **SQ:** This can be set between 0 and 99 typically 50 is threshold.