3S 高稳定性GPS时钟

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详细描述

ePSILON CLOCK 3S
VERY HIGH PERFORMANCE STANDARD
Stand Alone – Modularity - Rubidium
The EPSILON CLOCK 3S is a GPS clock which generates and
distributes precise and stable time and frequency signals.
This device is a stand alone unit synchronized by UTC-GPS
reference, broadcasted by the GPS satellite constellation all
over the world. The high level of performance contained in a
compact unit with low power consumption makes this product
an ideal choice for off-the-shelf synchronization requirements.
For instance, the Rubidium oscillator disciplined on GPS
makes the EPSILON CLOCK 3S an ideal solution for time and
frequency calibration.
Main Features
n ACQUISITION OF TIME REFERENCE
The EPSILON CLOCK 3S includes a GPS C/A code
receiver tracking up to 8 channels on L1 (1575 MHz) as
time reference.
n FREQUENCY AND TIME KEEPING
An internal oscillator (Rubidium) slaved to the GPS
source brings a high level of performance to the
EPSILON CLOCK 3S.
In case of input reference disruption, Time and
Frequency accuracies are maintained under
microprocessor control thus allowing an efficient
Holdover Mode.
n STAND AND ALONE MODE
Time is kept by internal oscillator without external source.
n FREQUENCY AND TIME DISTRIBUTION
Frequency reference and 1 pps outputs are delivered by
the EPSILON CLOCK 3S.
Time of Day (TOD) is accessible by a serial interface.
Frequency reference output is factory selectable: 1 MHz,
5 MHz or 10 MHz.
IRIG-B and STANAG 4430 (Havequick) are available as
options.
n CONTROL
Setup, status and alarms are accessible thanks to a
display and a keypad on front panel.
Choice of all the settings including the squelch of the
frequency outputs, the antenna cable delay and the time
scale (UTC or GPS) can be programmed by the user.
Status are displayed on the front panel with three leds.
Extended status are available through the front panel
Man Machine Interface or via the serial line interface.
ePSILON CLOCK 3S
ePSILON CLOCK is registered trade mark of TEKELEC TEMEX - Windows is a trade mark of Microsoft Corporation. Specifications subject to change without notice. Copyright TEMEX TELECOM 4495-B2
TEMEX TELECOM
29, avenue de la Baltique / ZA de Courtaboeuf
91953 LES ULIS Cedex - FRANCE
Tel: +33 (0) 1 69 82 20 00
Fax: +33 (0) 1 64 46 45 50
Email: synchro@temex.fr
Web site : www.temex-telecom.com
Main Specifications
ACCURACY - STABILITY (Rubidium)
- FREQUENCY OUTPUT (10 MHZ)
Accuracy (Average over 24 hours) :
GPS locked: < ± 1 x 10-12.
Holdover mode : < ± 4 x 10-11/ month.
Short Term Stability : 5 x 10-12 (100 s).
- TIME OUTPUT (1 pps)
Accuracy : GPS without S/A, 1s : < ± 100 ns.
Holdover mode : < ± 0.5 ms / month (Over
temperature range).
OPERATING MODE
Cold Start-up time: < 20 minutes.
Synchronization and slaving on GPS reference.
Squelch of frequency outputs on set threshold.
Status displayed by leds (GPS, Power, pps).
Permanent self-test of main functions.
Maintenance ensured by error messages.
Full remote control by serial port RS 232C.
User interface by keypad and LCD display 2 lines of 40
characters: (Date, Time, Status and Control).
TIME MANAGEMENT
Oscillator and 1 pps signal tracking by comparison with the
source (GPS) and automatic adjustments.
PHYSICAL CHARACTERISTICS
19 " 2U unit.
Size (W x D x H): 483 x 340 x 88 mm.
Weight : < 7 kg.
MANUAL
Operating and instruction manual.
INPUT
GPS antenna connector (TNC).
OUTPUTS
4 x 10 MHz frequency reference sinewave
outputs (>10 dBm / 50 W).
1 x 1 pps (TTL / 50 W).
Time Of Day on serial line interface (RS 232C).
Control and status on serial line interface (RS 232C).
Alarm: relay contacts.
POWER SUPPLY
AC supply: 90 to 265 V / 48 to 63 Hz.
DC supply: 18 to 32 V.
Typical power consumption: < 60 W.
ENVIRONMENT
Operating temperature: 0 to + 50 °C.
Storage temperature: - 40°C to + 85 °C.
Relative humidity: 90 % non condensing.
European EMC standard (EN 50081 & EN 50082)
OPTIONS
1 MHz or 5 MHz reference outputs.
IRIG-B output module.
STANAG 4430 (Havequick) output module.
Frequency synthesizer output module.
High performance Rubidium (1 x 10-11 / month).
ACCESSORIES
GPS antennas.
EPSILWIN software (WindowsTM 3.1, 95, 98 or NT4.0).
Lightning protections.
On-Line amplifier.
Cables.
Splitters.