"Hey Tridge
Greg is a super great guy everybody I ever heard from likes him. Thanks for helping out a fellow rocketeer. The 70cm band gets used for aprs a lot more for folks that want to do local tracking rather than hit the national aprs…"
Greg Clark's Discussions
3dradio and constant tones
Started this discussion. Last reply by Monroe Lee King Jr. Oct 18, 2012. 3 Replies 0 Likes
I'm trying to make my Si1000 (and my 433 Mhz 3dradio) development board transmit direct tones with the hope of being able to generate APRS data packets.has anyone tried this? I'm trying to modify…Continue
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Greg Clark replied to Greg Clark's discussion 3dradio and constant tones"Thanks for the reply Andrew. I've read every application note I can find, and have programmed the MODULATION_MODE_CONTROL_2 as well as the other registers needed to route the GPIO pin so it's used the modulator for the radio, but…"
DeveloperAndrew Tridgell replied to Greg Clark's discussion 3dradio and constant tones
"Hi Greg,
The TxTone example sets the modulation type (MODULATION_MODE_CONTROL_2) to zero. That means it will do no modulation at all, and just produce a carrier. If you set it to OOK, FSK or GFSK you should get a tone as long as you are feeding it…"
Greg Clark posted a discussion3dradio and constant tones
I'm trying to make my Si1000 (and my 433 Mhz 3dradio) development board transmit direct tones with the hope of being able to generate APRS data packets.has anyone tried this? I'm trying to modify the TxTone example fro SiLaba and toggle one of the output ports at 1200 hz and route it to one of the GPIO pins that's setup for direct modulation. I do see the I/O pin toggling, however all I get is a constant carrier, no tone.Has anyone else done this?Greg K7RKTSee More
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