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Timing Reference Unit (TRU-SAASM )

Timing Reference Unit (TRU-SAASM )

Timing Reference Unit (TRU-SAASM )

Product catalog summary
Overview: The Timing Reference Unit (TRU-SAASM) is a high-precision time/frequency standard designed for ultra-stable GPS disciplined timing. It features multiple outputs and configurations suitable for various applications, including military and non-military uses.
Features:
  • Ultra-stable GPS Disciplined Timing Reference
  • 5 buffered IRIG outputs and 1PPS outputs
  • 10MHz frequency reference output
  • 1U chassis design
  • Timing accuracy up to 1 x 10-12
  • Dual Port NTP Server
Technical Specifications:
  • Inputs: GPS Antenna (BNC), 1PPS (DB-15, 0-10Vpk, 50 Ω), HAVEQUICK (DB-15, 0-5Vpk, 2 kΩ)
  • Outputs: 5 IRIG outputs (SMA, IRIG B125/B005), 1 10MHz output (SMA, +13dBm, <35dBc harmonics), 5 1PPS outputs (SMA, ±50ns accuracy, 0-10Vpk, 50 Ω), HAVEQUICK (DB-15, 0-5Vpk)
  • Power: 90-260 VAC, <15 Watts, IEC320 connector, optional dual redundant power
  • Control and Status: 2 Ethernet ports (10/100BaseT, IPV4/IPV6, SNMPv1/v3, NTPv3/v4), Graphical Interface via BWC Application
  • GPS Receiver: GB-GRAM, L1/L2 Dual Frequency, 12 Channel, 16m SEP position accuracy, <120 seconds warm start
  • Reliability: MTBF >70,000 hours
  • Physical: 1U size, 19”x1.72x14” depth
  • Environmental: 95% non-condensing humidity, 0 to +50ºC operating temperature, -40 to +85ºC non-operating temperature, MIL-STD-188-164A shock standard
Configurations: The TRU is available in various configurations, including a Mobile Application version with a vibration-isolated oscillator and a High Performance version with a rubidium oscillator. A C/A code GPS receiver is available for non-military applications.
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Catalog excerpts

Timing Reference Unit (TRU-SAASM )-1

Features: • Ultra-stable GPS Disciplined Timing Reference • 5 buffered IRIG outputs • 5 buffered 1PPS outputs • 10MHz frequency reference out • 1U chassis 12 • Timing accuracy to 1 x 10 • Dual Port NTP Server The TRU is a state of the art, high-precision time/frequency standard capable of outputting five isolated IRIG Time of Day and 1PPS reference outputs. The TRU uses an internal GPS receiver to control a precision oscillator with accuracy up to 1 x 10-12 and excellent short term stability. The TRU incorporates a high-sensitivity 12 channel SAASM GPS receiver, incorporating the latest advances in GPS anti-spoofing technology. Dual Ethernet ports are used for both monitoring/control of the FRU using Simple Network Monitoring Protocol (SNMP) as well as providing Network Time Protocol (NTP) to clients. A Brandywine supplied user application may also be used to provide a Graphical User Interface to the TRU. The TRU is available is a number of configurations to support specific applications. A Mobile Application version features a special vibration isolated oscillator that provides isolation of the reference source from portable generator induced phase noise. The High Performance version uses a rubidium oscillator. A C/A code GPS receiver is available for non-military applications.

 Open the catalog to page 1
Timing Reference Unit (TRU-SAASM )-2

input: GPS Antenna Input Connector BNC Outputs: IRIG outputs No of Outputs Formats Connector 10MHz output No of Outputs Connector Accuracy Amplitude Harmonics Phase Noise (dBc/VHz) Static Vibration* MS3102A (optional shown) Dual Redundant Power (opt) Control and Status: Type No of Ports Protocol Graphical Interface GPS Receiver Receiver Type GB-GRAM Frequency L1, L2 Dual Frequency Satellite Code C/A, P(Y) Receiver Type Parallel 12 Channel Pos. Accuracy 16m SEP Warm start <120 seconds with Almanac, CV loaded Reliability: MTBF >70,000 hours Environmental Humidity: Temperature: Temp. Shock Vibration* Shock*...

 Open the catalog to page 2

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.