The FRU is a state of the art, high-precision frequency standard capable of outputting ten isolated precision 10MHz frequency reference outputs. The FRU uses an internal GPS receiver to control a precision oscillator with accuracy up to 1 x 10-12 and excellent short term stability
The FRU meets the frequency stability requirements of MIL-STD- 188-164A for SHF terminals.
A particular feature of the FRU is the ultra-high isolation (>100dB) between the 10MHz outputs, eliminating interaction between 10MHz outputs when they are loaded/unloaded. The FRU incorporates a high-sensitivity 12 channel .
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 FRU.
The FRU 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"SAASM"GPS"receiver"is"available"for"military"applications."
fru-saasm
Frequency Reference Unit
 
The FRU is a state of the art, high-precision frequency standard capable of outputting ten isolated precision 10MHz frequency reference outputs. The FRU uses an internal GPS receiver to control a precision oscillator with accuracy up to 1 x 10-12 and excellent short term stability.  The FRU meets the frequency stability requirements of MIL-STD- 188-164A for SHF terminals.  A particular feature of the FRU is the ultra-high isolation (>100dB) between the 10MHz outputs, eliminating interaction between 10MHz outputs when they are loaded/unloaded. The FRU incorporates a high-sensitivity 12 channel GPS receiver.
 
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 FRU. The FRU 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 SAASM GPS receiver is available for military applications.
 
Features:
  • Ultra-stable GPS Disciplined Frequency Reference
  • 10 Independent 10MHz outputs
  • 1U chassis
  • Meets MIL-STD-188-164A stability requirements
  • Frequency accuracy to 1 x 10-12
  • Dual Port NTP Server

Product Specifications
Product Data Sheet

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About Brandywine Communications

Brandywine Communications Inc. offers superior products to the time and frequency marketplace. Our mission is to provide the finest equipment coupled with excellent before and after sale service.

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Brandywine Communications
Ultra-Precision Time & Frequency

1153 Warner Ave
Tustin, CA 92780
Mail: info@brandywinecomm.com
Phone: 714.755.1050


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