Hello Mark, Yes, the external 5V antenna power works as before on the Mini-t, the internal 3.3V and external 5V supplies are diode-ored together to support either or.
A Waas only mode would be very difficult to do, maybe through a high mask angle.. But interesting idea to look into.. Thanks Said Sent From iPhone On Jul 19, 2012, at 19:03, Mark Spencer <[email protected]> wrote: > Just wondering about the internal 3.3 volt antenna supply. A switchable > 3.3 or 5 volt supply would be nice. Antennas such as the Symmetricom 58532A > still want 5 volts. Also if possible a waas only hold over mode would be > nice (sorry I don't know if this is feasible or not.) > > Sent from my iPad > > On 2012-07-19, at 3:33 PM, [email protected] wrote: > >> Hi guys, >> >> thanks so much for all the great suggestions on how to make this product >> better! >> >> Yes, cost targets are a very important goal here, and we are looking into >> adding options that make sense for most customers and don't add excessive >> cost or delay to the schedule. We definitely will improve the performance >> of >> the unit over the original Mini-T though, because we feel that the Mini-T >> had sub-par performance on many fronts, and don't want to make the same >> mistakes. Some of the improvement items we have already decided upon are: >> >> * 50 channels GPS with WAAS/EGNOS/MSAS and Position-Hold mode with >> automatic initialization of the Auto-Survey process by default. >> Alternatively, the >> unit can be put into mobile mode, with Auto-Kalman filter optimization >> depending on vehicle velocity. -160dBm GPS tracking capability >> >> * A secondary 10MHz output (SMA or SMB connector, only the connector needs >> to be stuffed onto the PCB) to have access to the +13dBm output signal >> >> * Internal +3.3V antenna supply, that is automatically over-driven by the >> externally applied antenna supply >> >> * USB connector for command/control, RS-232 option, and TTL serial port for >> legacy compatibility >> >> * RoHs 6/6 for compatibility, and RoHs 5/6 option for much longer life and >> better MTBF than Mini-T >> >> * more than 3x better thermal stability, and at the same time more than >> double the temperature range (+/-5ppb over -40C to +85C versus +/-10ppb from >> >> only 0C to +60C) standard, and DOCXO option for even higher thermal >> stability performance and low-g sensitivity/ruggedized crystal options. >> >> * Better phase noise >> >> * Status LED's on board >> >> * TTL lock/ALARM indicator >> >> * External 1PPS input option on unused pin 1 of the main connector >> >> * Fully field-upgradable firmware, no FPGA programmer needed >> >> * Support for NMEA and SCPI commands >> >> * 3-axis accelerometer built-in >> >> * lower height: 0.47 inches OCXO height versus 0.75 inches >> >> * Much better ADEV performance >> >> * Factory-testing for crystal-jumps on every unit >> >> We also had several folks ask for alternative frequency outputs, and are >> currently investigating if we could use the secondary 10MHz connector to add >> >> another VCXO to generate any output frequency from 10MHz to 120+MHz such as >> is done on our ULN-1100 boards. This would add some cost though, and may >> just end up in a secondary version of the board so that customers who don't >> need it won't have to pay for it.. >> >> The most important item to get feedback on is the TSIP port, we cannot >> implement the entire TSIP command set as this is quite complex, most >> customers >> probably only use a handful of actual commands, and we believe the >> SCPI/NMEA command/control/status interface is much superior over the >> proprietary >> binary TSIP port. >> >> We are however open to implement a couple of useful and common TSIP >> outputs, and would greatly appreciate feedback and suggestions on this, for >> example a minimum set to make Lady Heather work..? >> >> Thanks, >> Said >> >> >> In a message dated 7/19/2012 13:41:07 Pacific Daylight Time, [email protected] >> writes: >> >> Hi Said, >> >> I know everyone is going to ask for the kitchen sink to be thrown in. >> BUT, how about >> just making a replacement that does exactly the same job with no added >> thrills ? >> That way your spending the least amount to produce a product and keeps the >> cost down >> to the customer which may cause them to want to keep designing with that >> particular >> product. >> >> just saying........ >> >> Bill....WB6BNQ >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
