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GPS-DS-8

Product catalog summary

Overview
The GPS-DS-8 is a multi-output Time & Frequency Signal Generator featuring two independent GPS receivers with high stability OCXO’s. It offers 8 independent outputs at 10 MHz and 1PPS, with NTP capability via a 10/100 Ethernet interface. The system is designed for reliability with autonomous generator modules and a passive switch unit using hi-rel RF relays. In case of failure, it automatically switches to a backup module and sends SNMP protocol alerts.

Switch Unit Features

8 independent BNC connectors at 10 MHz, 13 dBm power level.
8 independent PPS connectors with TTL level, 50 Ohm termination.
7 dry contacts for electrical signaling.
4 photo-coupled inputs for remote control.
RS232 serial connection and Ethernet 10/100 with TCP/IP protocol.
Integrated web server for management.
AC 85-265 Vac, 50/60 Hz power supply.
1U 19’’ rack mountable.

Generator Module Features

High-stability OCXO oscillator with +/- 1*10-10 frequency drift.
12-channel GPS receiver with automatic tracking.
8 independent sine wave outputs at 10 MHz, 13 dBm each.
8 PPS outputs with TTL level, 50 Ohm termination.
AC 85-265 Vac, 50/60 Hz power supply.
Removable drawer container.

Technical Specifications

Frequency Reference: 10 MHz sine wave, -70 dBc harmonics, -75 dBc non-harmonics, -130 dBc phase noise at 1 kHz.
Time Reference: 1 PPS, 100 µs Duty, TTL 5 Vpp.
GPS Section: 12 Channels L1 1575.42 MHz, < 50 ns PPS precision.
NTP Section: NTPv4, Master Clock Stratum 1.
Signaling: RS-232, Ethernet 10/100, 7 dry contacts.
Supply: 85-265 Vac, dual redundant power suppliers.
Size: 1U 19'' width, 300 mm depth, 1.5 Kg weight.

Catalog excerpts

Digital Instruments GPS-DS-8 Double Signal Generator with Exchange System

Open the catalog to page 1

Digital Instruments GPS-DS-8 Double Signal Generator with Exchange System Overview GPS-DS-8 is a Time & Frequency multi-output Signal Generator (PPS and 10 MHz). It consist of two independent GPS receivers individually provided with high stability OCXO’s. The two hot-plug modules are in hot redundancy with hot swappable module generator. In the standard version there are 8 independent outputs at 10 MHz as well as 1PPS. Furthermore the unit has NTP capability via 10/100 Ethernet interface. GPS-DS-8 is extremely reliable as both generators module are completely autonomous, because provided of power...

Open the catalog to page 2

Digital Instruments GPS-DS-8 Double Signal Generator with Exchange System Features Switch Unit: · 8 independents BNC connectors at 10 MHz frequency, with 13 dBm each of power level. · 8 independents PPS connectors with TTL level terminated at 50 Ohm. · 7 dry contact for electrical signaling of switch unit. · 4 photo-coupled input for switch unit remotization. · Serial connection in RS232 Standard. · Standard network connection Ethernet 10/100 with TCP/IP protocol complete of descriptive MIB on SNMPv1 protocol. · Web server integrated for direct browser management. · Device's supply in logical...

Open the catalog to page 3

Digital Instruments GPS-DS-8 Double Signal Generator with Exchange System Tech. Spec. Frequency reference Signal: 10 MHz sine wave. Spectral purity: -70 dBc at full output power. (harmonics), -75 dBc at full output power (non-harmonics). Phase noise: -130 dBc at 1 kHz. Outputs: 8 independent. Output level: 13 dBm each output. Output impedance: 50 Ohm. Output connectors: BNC Stability: 1e-12 daily average OCXO locked at GPS in SA. OCXO Standard: 1e-10 daily average OCXO in free run, OCXO SC: 2e-11 daily average OCXO on free run. Time reference Signal: 1 PPS, 100 µs Duty, Rising Edge. Output: 8...

Open the catalog to page 4