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22

ACCURACY OF
FREQUENCY
OPTION OCXO:

after sync. and 20 min of operation

±1

.

10

-9

during first 20 minutes of operation

±2

.

10

-8

Accuracy of quartz
one day, free-running

±2

.

10

-8

one year, free-running

±5

.

10

-7

Short term stability
<= 10 sec, GPS controlled

±1

.

10

-9

<= 10 sec, free running

±3

.

10

-9

Temperature drift
free running

±2

.

10

-7

SSB phase noise
1 Hz besides carrier:

-60 dBc/Hz

10 Hz besides carrier:

-90 dBc/Hz

100 besides carrier:

-120 dBc/Hz

1 kHz besides carrier:

-130 dBc/Hz

SYSTEM BUS
INTERFACE:

universal board for 3.3V and 5V systems
32 bit, 33MHz or 66MHz PCI bus
compatible to PCI and PCI-X specifications

DATA FORMAT: Binary, byte serial

IRIG-OUTPUTS:

Unbalanced AM-sinewave signal:
3V

pp

(MARK), 1V

pp

(SPACE) into 50

Ω

PWM-DC-signal:
TTL into 50

Ω

, active-high or -low, selected by jumper

SERIAL PORTS:

2 asynchronous serial ports (RS-232)

Baud Rate:

300 up to 19200

Framing:

7N2, 7E1, 7E2, 8N1, 8N2, 8E1

default setting:
COM0:

19200, 8N1
Meinberg Standard time string, per second

COM1:

9600, 8N1
Capture string, automatically

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Содержание GPS169PCI

Страница 1: ...Technical Information Operating Instructions GPS169PCI with IRIG Generator...

Страница 2: ...Impressum Meinberg Funkuhren GmbH Co KG Auf der Landwehr 22 D 31812 Bad Pyrmont Phone 49 52 81 9309 0 Fax 49 52 81 9309 30 Internet http www meinberg de Email info meinberg de February 20 2006...

Страница 3: ...s 9 DCF77 emulation 10 Connectors and LEDs in the rear slot cover 11 Installing the radio clock 12 Configuring the 9 pin connector 12 Mounting the board 12 Mounting the antenna 13 Powering up the syst...

Страница 4: ...chnical specifications of antenna 24 Assembly with CN UB E CN UB 280DC 25 Time strings 26 Format of the Meinberg Standard time string 26 Format of the Meinberg Capture String 27 Format of the SAT time...

Страница 5: ...ollows Installation Instructions Execute Setup exe and choose the installation directory By default the installation directory is C Program Files Meinberg MbgMon Then shut down the computer install th...

Страница 6: ...on of 24 satellites together with some active spares in six orbital planes 20000 km over ground provides a minimum of four satellites to be in view 24 hours a day at every point of the globe Four sate...

Страница 7: ...7 Block diagram GPS169PCI...

Страница 8: ...clock is also available with a higher precision time base A monitoring software shipped with the board can be used to check the clock s status and configure some operational parameters Time zone and...

Страница 9: ...falling TTL slope at one of these inputs lets the microprocessor save the current real time in its capture buffer From the buffer an ASCII string per capture event can be transmitted via COM1 or displ...

Страница 10: ...ocal time as configured by the user including announcement of changes in daylight saving and announcement of leap seconds The coding sheme is given below Time marks start at the beginning of a new sec...

Страница 11: ...red to the GPS169PCI s serial port COM0 Pin assign ment can be seen from the figure beside This port can not be used as serial port for the compu ter Instead it can be uses to send out Meinberg s stan...

Страница 12: ...N Those signals which do not have a lever of the DIL switch assigned are always available at the connector n i P B U S D n i P B U S D n i P B U S D n i P B U S D n i P B U S D l a n g i S l a n g i S...

Страница 13: ...ure that there is no short circuit between the inner and outer conductor of the antenna cable because this could cause a fault of GPS169PCI Powering up the system After the board has been mounted and...

Страница 14: ...be downloaded to the internal flash memory via the radio clock s serial port COM0 There is no need to open the computer case and insert a new EPROM If the button behind a hole in the rear slot cover...

Страница 15: ...replace the battery the following should be noted ATTENTION Danger of explosion in case of inadequate replacement of the lithium battery Only identical batteries or batteries recommended by the manufa...

Страница 16: ...odulated timecodes Modula ted signals are transmitting the information by varying the amplitude of a sinewave carrier unmodulated timecodes are transmitted by pulse duration modulation of a DC signal...

Страница 17: ...17 IRIG standard format...

Страница 18: ...18 AFNOR standard format...

Страница 19: ...g n i v a S t h g i l y a D T S D e m i t g n i v a s t h g i l y a d g n i r u d t e s 4 6 n g i S t e s f f O e n o z e m i T 1 0 t e s f f o Z T f o n g i s 5 6 1 d e d o c n e y r a n i b t e s f...

Страница 20: ...complete date SBS Time of Day f IEEE1344 Code according to IEEE1344 1995 100pps AM sinewave signal 1kHz BCD time of year SBS time of day IEEE1344 expansion for date timezone daylight saving and leap s...

Страница 21: ...CHRO NIZATION one minute with known receiver position and valid almanac 12 minutes if invalid battery buffered memory PULSE OUTPUTS change of second PPS TTL level valid on rising edge change of minute...

Страница 22: ...Hz 100 besides carrier 120 dBc Hz 1 kHz besides carrier 130 dBc Hz SYSTEM BUS INTERFACE universal board for 3 3V and 5V systems 32 bit 33MHz or 66MHz PCI bus compatible to PCI and PCI X specification...

Страница 23: ...ors for antenna and modulated timecode AMBIENT TEMPERATURE 0 60 C HUMIDITY 85 max Assignment of the 5 pin jumper block The jumper block can be used to access the 10 MHz frequency output and the serial...

Страница 24: ...575 42 MHz bandwidth 9 MHz CONVERTER local oscillator to converter frequency 10 MHz first IF frequency 35 4 MHz POWER REQUIREMENTS 12V 18V 100mA provided via antenna cable CONNECTOR coax type N female...

Страница 25: ...25 Assembly with CN UB E CN UB 280DC...

Страница 26: ...ime hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second uv clock status characters u clock has not synchronized after reset space 20h clock has synchronized after reset v differen...

Страница 27: ...s whereas the other charac ters are part of the time string The groups of characters as defined below x 0 or 1 corresponding on the number of the capture input _ ASCII space 20h dd mm yy the capture d...

Страница 28: ...century 00 99 w the day of the week 1 7 1 Monday hh mm ss the current time hh hours 00 23 mm minutes 00 59 ss seconds 00 59 or 60 while leap second xxxx time zone indicator UTC Universal Time Coordina...

Страница 29: ...9 ss seconds 00 59 or 60 while leap second ss fractions of seconds 1 10 1 100 A Status A time data valid V time data not valid bbbb bb latitude of receiver position in degrees leading signs are replac...

Страница 30: ...mm minutes 00 59 ss seconds 00 59 or 60 while leap second v sign of the offset of local timezone related to UTC oo oo offset of local timezone related to UTC in hours and minutes ac clock status char...

Страница 31: ...racter 20h n latitude the following characters are possible N north of equator S south d equator llll llll longitude of receiver position in degrees leading signs are replaced by a space character 20h...

Страница 32: ...whereas the other charac ters are part of the time string The groups of characters as defined below yy mm tt the current date yy year of the century 00 99 mm month 01 12 dd day of month 01 31 _ Space...

Страница 33: ...33...

Страница 34: ......

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