Motorola M12 Oncore Guide de l'utilisateur télécharger pdf (Page 11)

Chapter 1 - Introduction

PRODUCT HIGHLIGHTS

Features present on all M12+ receivers include the following:

• 12-channel parallel receiver design

• Code plus carrier tracking (carrier-aided tracking)

• Position filtering

• Antenna current sense circuitry

• Operation from +2.85 to +3.15 Vdc regulated power

• 3V CMOS/TTL serial interface to host equipment

• 3-dimensional positioning within 25 meters, SEP (with Selective Availability [SA]

disabled)

• Latitude, longitude, height, velocity, heading, time, and satellite status information

transmitted at user determined rates (continuously or polled)

• Straight 10-pin power/data header for low-profile flat mounting against host circuit board.

An optional right angle header is available for vertical PWA mounting.

• Optional on-board Lithium battery

Additional features specific to the M12+ positioning receiver include:

• Support for inverse differential GPS operation

• RTCM differential GPS support using second serial port

• User selectable NMEA 0183 output

• User controlled velocity filter

Additional features specific to the M12+ timing receiver include:

• Precise 1PPS output (+/- 25 ns accuracy) w/o sawtooth correction

• Selectable 100PPS output

• Time RAIM (Time-Receiver Autonomous Integrity Monitoring) algorithm for checking

timing solution integrity

• Automatic site survey

Motorola GPS Products - M12+ User's Guide Revision 6.X 09FEB05

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Motorola M12 Oncore Guide de l'utilisateur Page 11