Gadgets>>Electronic Components & Supplies>>Blue>>Quantity 10x N9600a4 Circuit Board And Cpu Kit For Multi-mode Terminal Node Controller Tnc Ninotnc
Products Name:Quantity 10x N9600A4 Circuit Board and CPU Kit for Multi-Mode Terminal Node Controller TNC NinoTNC
Categoris name:Electronics & Accessories/Gadgets
This listing is for 10 PCBs and 10 programmed dsPIC parts.
Bill of Materials is listed on the assembly page for the board. Start here: http://tarpn.net/d
More information about this device is available here: http://tarpn.net/t/nino-tnc/nino-tnc.html
This kit contains the printed circuit board and programmed dsPIC CPU required to build one TARPN N9600A4 packet radio terminal node controller (TNC). This kit does not include any other parts from the bill of materials, you will have to obtain more parts from a supplier to build a complete working TNC. Basic electronics tools and skills will be required to assemble a working TNC. Youll need to be competent with a soldering iron, and have a supply of small-gauge solder. Side cutters will be necessary, as well as tweezers or needle-nose pliers.
The PCB is a high-quality 4-layer board with blue finish and white silkscreen for part locations and identifiers. It requires only thru-hole parts for assembly.
Once assembled, the N9600A4 TNC acts as a multi-mode data modem you can use to create narrow-band datalinks with VHF and UHF communication radios. The N9600A4 TNC sends and receives data using several user-selectable modulation methods and link protocols: traditional AX.25 modes at 1200 bps AFSK (like APRS) and 9600 bps using GMSK (compatible with the G3RUH standard).
N9600A4 differs from previous versions with several new features for increased compatibility with various radios. All these options are selectable via DIP switch:
- Transmit audio output ranges for microphone or data port connections. Microphone range is 0-200mV p-p output, data port range is 0-2.2V p-p output.
- 1x or 11x analog receive audio gain for speaker-level or low-level radio audio outputs.
- DC or AC transmit audio output coupling.
- External transmit inhibit/carrier detect input.
This kit will ship with an upgraded dsPIC 33EP512GP502 28 pin digital signal controller with more RAM than previous versions of this kit, and includes an integrated bootloader for future firmware upgrades.
The TNC also supports an experimental layer 2 protocol called IL2P which incorporates several improvements, including Forward Error Correction. IL2P can be used as an alternative to AX.25 on both 1200 AFSK and 9600 GMSK modes. You can read more about IL2P here:
9600 bps GMSK will not work with all voice-band radios. It requires a radio with a data port (direct modulator/discriminator connection) or other wide-bandwidth connection. It should be possible to use 1200 bps AFSK mode with most voice-band radios, once you have obtained (or made) suitable connection cables.
You can find more information about this TNC, build instructions, bill of materials, configuration tips, and a community of users at the following links:
Some disclaimers: We are selling this kit at very close to our cost, in the hopes of growing the Terrestrial Amateur Radio Packet Network (TARPN) and the entire packet radio community. You must assemble and use this device at your own risk. Operation of any radio device on the Amateur Radio bands requires applicable licensing by the government of the country where the device is used. If you damage the PCB or CPU beyond repair during assembly or use, youll need to order a replacement. We do not guarantee suitability for use for commercial purposes. Do not use this device as part of a life-saving system.
I hope that you enjoy assembling and using this device, and grow a packet radio network where you live!
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Multi-Mode and N9600A4 CPU for Kit 10x Board Quantity Circuit
This listing is for 10 PCBs and 10 programmed dsPIC parts. Bill of Materials is listed on the assembly page for the board. Start here: http://tarpn.net/d More information about this device is available here: http://tarpn.net/t/nino-tnc/nino-tnc.html This kit contains the printed circuit board and
Quantity 10x N9600A4 Circuit Board and CPU Kit for Multi-Mode Terminal Node Controller TNC NinoTNC