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EASYREF

Product catalog summary

Overview
EASYREF is a high stability Time & Frequency generator designed by Digital Instruments S.r.l. It achieves high stability through GPS-controlled disciplining algorithms. The standard version provides a 10 MHz frequency reference and a 1PPS time reference, along with an Ethernet interface for LAN synchronization using the NTP protocol. The device is compact, suitable for applications requiring high stability time and frequency references, and can be mounted on an Omega DIN rail. It supports local and remote interfacing via RS232/RS485 serial connections and Ethernet using SNMP.

Features
The EASYREF offers several key features:

10 MHz sine wave outputs with adjustable levels from -2 dBm to +16 dBm.
1PPS output on TTL level terminated at 50 Ohms.
Ethernet interface for synchronization using NTP and remote management via SNMP.
Internal high stability OCXO oscillator with +/-1E-10/day aging.
12-channel GPS receiver with auto-tracking and timing error management.
Standard RS232/RS485 serial connection.
Power supply range of 12 Vdc to 48 Vdc.
Mechanical format adaptable for DIN rail mounting.
2-year warranty.

Technical Specifications
GPS Section:

Receiver: 1.575,42 MHz – 12 channel.
Tracking: 12 satellites correlation.
PPS accuracy: < 50 nsec.
Antenna Connector: TNC.
Acquisition time: 4 minutes.
Local Oscillator: OCXO with stability when locked to GPS at 1*10-12 (after 24 hours) and aging in holdover ±1*10-10 per day.

PTP Section:

Protocol: IEEE1588-2008 (PTPv2).
Role: Grandmaster Clock Source (with GPS) or slave.

NTP Section:

Protocol: NTPv4.
Role: Master Clock Stratum 1 (with GPS).

Low Noise Output: 10 MHz sine wave (-130 dBc/Hz @ 1 kHz).
PPS Output: 1 PPS signal – 100 µsec duty, -5Vpp.
Serial Connection: 1 x RS232 over DB9 connector, user-defined as controller or time telegram provider.
Network Interface: 1 x 10/100 BaseT Ethernet supporting IPv4, PTP/IEEE 1588-2008, NTP, SNTP, HTTP, SYSLOG, SNMP, TIME, TELNET.
Status Info: 4 status LEDs, RS232, SNMP, Web Interface.
Power Supply: 10 - 30 VDC.
Power Consumption: <50W.
Size: 50 x 120 x 200 mm.

Catalog excerpts

Digital Instruments EASYREF Signal Generator Tuned by GPS

Open the catalog to page 1

Digital Instruments EASYREF Signal Generator Tuned by GPS 1 Overview EASYREF is an high stability Time & Frequency generator. The high stability is obtained by disciplining algorithms controlled by GPS receiver. EASYREF in the standard version provide 10 MHz frequency reference and 1PPS time reference as well as Etrhernet interface for LAN synchronization by NTP protocol. EASYREF is very flexible for all applications where high stability Time & frequence reference are needed in very small size. The unit is extremely compact and can be mounted on Omega DIN rail Equipment can be interfaced using...

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Digital Instruments EASYREF Signal Generator Tuned by GPS 2 Features · 10 MHz Sine wave outputs with digitally level adjustment from -2 dBm to +16 dBm. · 1PPS output on TTL level termined @ 50 Ohms. · Ethernet interface for synchronization using NTP protocol and for remote management using SNMP protocol. · Internal High Stability oscillator OCXO type having +/-1E-10/day aging. · 12 channel GPS receiver with auto tracking and timing error management system. · Serial connection standard RS232/RS485. · 12 Vdc - 48 Vdc Power supplier. · Mechanical format BALL-EFRATOM type adaptable for DIN rail mounting....

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Digital Instruments EASYREF Signal Generator Tuned by GPS 3 Tech. Spec. GPS Section Receiver Tracking PPS accuracy Antenna Connector Acquisition time Local Oscillator Stability when locked 1.575,42 MHz – 12 channel 12 satellites correlation < 50 nsec TNC 4 minutes OCXO To GPS: 1*10-12 (after 24 hours) – Ageing in holdover ±1*10-10 day Protocol: IEEE1588-2008 (PTPv2) Role: Grandmaster Clock Source (with GPS) or slave Protocol: NTPv4 Role: Master Clock Stratum 1 (with GPS) 10 MHz sine wave (-130 dBc/Hz @ 1 kHz) 1 PPS signal – 100 µsec duty, - 5Vpp Serial Connection 1 x RS232 over DB9 connector...

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