Meinberg GPS170LCD-MP Bedienungsanleitung PDF herunterladen (Seite 40)

Oszillatorspezifikationen

Accuracy of time and frequency outputs of Meinberg GPS- and DCF77 (PZF) receivers

with different oscillator options

TCXO OCXO LQ OCXO MQ OCXO HQ OCXO DHQ Rubidium

short term stability

(τ = 1 sec)

2 * 10

-9

1 * 10

-9

2 * 10

-10

5 * 10

-12

2 * 10

-12

2 * 10

-11

accuracy of PPS

(pulse per second)

< +/- 250 nsec

< +/- 500 nsec (GPS163)

< +/- 250 nsec < +/- 100 nsec < +/- 100 nsec < +/- 100 nsec < +/- 100 nsec

phase noise

1 Hz

10 Hz

100 Hz

1 kHz

-60 dBc/Hz

-90 dBc/Hz

-120 dBc/Hz

-130 dBc/Hz

1 Hz

10 Hz

100 Hz

1 kHz

-60 dBc/Hz

-90 dBc/Hz

-120 dBc/Hz

-130 dBc/Hz

1 Hz

10 Hz

100 Hz

1 kHz

-75 dBc/Hz

-110 dBc/Hz

-130 dBc/Hz

-140 dBc/Hz

1 Hz

10 Hz

100 Hz

1 kHz

-100 dBc/Hz

-130 dBc/Hz

-145 dBc/Hz

-155 dBc/Hz

1 Hz

10 Hz

100 Hz

1 kHz

-100 dBc/Hz

-125 dBc/Hz

-140 dBc/Hz

-150 dBc/Hz

1 Hz

10 Hz

100 Hz

1 kHz

-75 dBc/Hz

-89 dBc/Hz

-128 dBc/Hz

-140 dBc/Hz

accuracy

free run, one day

+/- 1 * 10

-7

+/- 1 Hz (Note 1)

+/- 2 * 10

-8

+/- 0,2 Hz (Note 1)

+/- 1,5 * 10

-9

+/- 15 mHz (Note 1)

+/- 5 * 10

-10

+/- 5 mHz (Note 1)

+/- 1 * 10

-10

+/- 1 mHz (Note 1)

+/- 2 * 10

-11

+/- 0,2 mHz (Note 1)

accuracy

free run, one year

+/- 1 * 10

-6

+/- 10 Hz (Note 1)

+/- 4 * 10

-7

+/- 4 Hz (Note 1)

+/- 1 * 10

-7

+/- 1 Hz (Note 1)

+/- 5 * 10

-8

+/- 0,5 Hz (Note 1)

+/- 1 * 10

-8

+/- 0,1 Hz (Note 1)

+/- 5 * 10

-10

+/- 5 mHz (Note 1)

accuracy

GPS- synchronous

averaged 24 h

+/- 1 * 10

-11

+/- 1 * 10

-11

+/- 5 * 10

-12

+/- 1 * 10

-12

+/- 1 * 10

-12

+/- 1 * 10

-12

accuracy of time

free run, one day

+/- 8,6 msec +/- 1,8 msec +/- 130µsec +/- 44 µsec +/- 10 µsec +/- 1,8 µsec

accuracy of time

free run, one year

+/- 32 sec +/- 13 sec +/- 3,5 sec +/- 1,6 sec +/- 300 msec +/- 16 msec

temperature dependant

drift, free run

+/- 1 * 10

-6

(-20...70°C)

+/- 2 * 10

-7

(0...60°C)

+/- 5 * 10

-8

(-20...70°C)

+/- 1 * 10

-8

(5...70°C)

+/- 2 * 10

-10

(5...70°C)

+/- 6 * 10

-10

(-25...70°C)

power supply @25°C

steady state

warm up

5V / 20mA

N/A

5V / 160mA

5V / 380mA

5V / 300mA

5V / 700mA

5V / 300mA

5V / 700mA

12V / 250mA

12V / 700mA

24V / 540mA

N/A

suitable for clock type

GPS161

GPS163

GPS164

GPS167 (SV)

GPS170 (SV)

GPS16xPCI

GPS16xPC

GPS161

GPS167 (SV)

GPS170 (SV)

GPS16xPCI (5V only)

GPS16xPC (5V only)

GPS161

GPS167 (SV)

GPS170 (SV)

GPS161

GPS167 (SV)

GPS170 (SV)

GPS167 (SV)

GPS170 (SV)

GPS167 (SV)

GPS170 (SV)

Note 1:

The accuracy in Hertz is based on the standard frequency of 10 MHz. For example: Accuracy of TCXO (free run one day) is +/- 1 * 10 E-7 * 10 MHz = +/- 1 Hz

The given values for the accuracy of frequency and time (not short term accuracy) are only valid for a constant ambient temperature !

A minimum time of 24 hours of GPS-synchronicity is re quire d be fore fre e run s tarts.

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