Brandywine FDU-240 Low Phase Noise Distribution Unit

Product Overview:

  • 5 MHz or 10 MHz Outputs Available
  • Reference Frequency Input Option
  • Auto Changeover with Ref. Input Option
  • Low Phase Noise Outputs
  • Twenty four Outputs
  • Front Panel Status Indicators
  • Fault Discrete Inputs
  • Compact 1U, 19" Rack Mount

More

The Brandywine Communications Model FDU-240 offers the user the most requested and reliable frequency distribution features in one time and frequency distribution unit.  The base unit is a dual input, 24 output frequency distribution amplifier suited for 5MHz or 10MHz.  Each output is monitored and will set the alarm if an output fault is detected.

For enhanced phase noise performance an optional clean up oscillator is installed between the rear panel inputs and the inputs of the transfer switch. A clean up oscillator may be installed between both Input A and Input B inputs or only on Input A.

When fitted with the optional clean up oscillators, the stability of the outputs are the same as that of the input(s). This is accomplished by disciplining the clean up oscillator(s) to the reference input(s).

The FDU-240 is one of Brandywine's low phase noise distribution units that has a three-position front panel switch chooses automatic operation or may be used to manually select one of the two input sources. When the AUTO mode is selected the AUTO indicator will be illuminated and Input A will be used if it is available. Should Input A fail Input B will be chosen automatically. Indicators show the status of the inputs and which input has been selected.

Reference Frequency Inputs:  
Connector Two rear panel BNC's
Amplitude 0.5 Vrms - 1 Vrms
Input Impedance 50 Ohms
Frequency 10 MHz
   
Fault Discrete Input:  
Number of Inputs 2
Connector DB9
Level TTL
Active Level Link selectable, high or low
   
Sine Wave Outputs:  
Number of Outputs 24
Connector BNC
Frequency (MHz) Same as input
Level +13, +/- 2 dBm into 50 Ohms
   
SSB Phase Noise (with clean-up osc. Option)
Offset (Hz) dBc/Hz
1 -60
10 -110
100 -140
1,000 -150
10,000 -155
   
Harmonics 30 dBc
   
Spurious -80 dBc
   
Stability  
Without clean-up option Same as input
With clean-up option +/- 3x10-9, 0
   
Physical/Environmental  
Temperature
Operating 0 to + 50°C
Storage -40 to +85°C
Humidity To 95% non-condensing
Dimensions 19 inch Rack Mount, 1.73 inches high (1U)
14.5 inches deep
Weight 7.5 lb typical

More Product Information

  • Dual inputs with manual or automatic switchover
  • 24 individually buffered outputs
  • Pulse rates from 1ppm through 10MPPS available

Brandywine's OSA-5581C GPS is a GPS synchronization receiver and distribution unit specifically designed to eliminate bit errors and slow transmission rates.  Flexible, modular, and a fully redundant synchronization solution, the OSA-5581C is for fixed (SDH/ SONET) and mobile (TDMA, CDMA, GSM, 3rd generation) telecom network applications.  All critical parts in the OSA-5581C, including the GPS input & holdover unit, can be duplicated to ensure high availability.

  • Network enabled frequency
  • Distribution amplifier
  • Dual requency inputs with audio
  • Failover
  • Low phase noise referece 
  • Frequency Outputs
  • Programmable per channel amplitude
  • 1U 19" rack mount
  • Redundant hot swappable power supplies

  • Network Enabled Time Code Distribution Amplifier
  • Dual Time Code Inputs with Auto Failover
  • Support for Analog Time Codes between 100Hz and 100KHz
  • Programmable per channel amplitude
  • Supports SNMP v2c
  • 1U 19” rack mount
  • Redundant Hot Swappable Power Supplies

  • Network Enabled Analog Frequency Distribution Amplifier
  • Dual Frequency Inputs with Auto Failover
  • Any Frequency from 1-20MHz
  • Programmable per channel amplitude
  • Supports SNMP V2c
  • 1U 19” rack mount
  • Redundant Hot Swap Power Supplies

  • Dual Inputs with automatic switchover
  • 10 individually buffered outputs of 3 signal ouputs
  • Have Quick, BCD, and 1PPS outputs compliant with ICD-GPS060

  • Allows for Consolidation of VDC Power from the Source to a Stack.
  • Consolidates cable runs when extending VDC to a remote location.
  • Individual Push/Pull Based Breakers for Each Equipment Connection.
  • Remove and Rotate Mounting Brackets for Maximum Flexibility.

  • Wide Input Bandwidth
  • Input Isolation
  • Automatic & Manual Changeover
  • Transformer Coupled Outputs
  • 24 Outputs
  • Front Panel Status Indicators
  • Compact 1U, 19" Rack Mount

  • Frequency and time outputs
  • Low phase noise frequency output
  • 1PPS output
  • Hitless fequency switching 

Brandywine Communications

Brandywine Communications is the premier supplier of ultra-precise GPS and time code based Time and Frequency products. Offering next generation solutions for telecom, government/ aerospace & defense, power utilities, and public safety, Brandywine has a solution for your critical timing need.

Brandywine's Products

Our product list include Frequency Standards, GPS Clocks, Network Time Servers and NTP Servers using GPS, plug-in timing cards such as PCI cards for bus level applications, GPS Frequency standards, GPS Master Clocks, Time and Frequency Systems, Time Displays and Time Code equipment.

Brandywine is proud to offer SAASM GPS and cesium clock solutions for military timing applications with products that offer complete master clock solutions and are qualified for airborne, shipboard, and mobile land applications. Our GPS time and frequency standards and our GPS clocks with time code support a wide range of time code formats including IRIG B, IRIG A, IRIG G, and Have Quick. Brandywine is also known for customizing their time and frequency products to give their customers the perfect solution to their timing needs.

Brandywine also has the largest selection of bus timing cards with over 200 options to customize the board to fit your need. Cards such as PCI and VME cards have quick delivery and can be customized with popular options such as IRIG-B and GPS.

Brandywine now offers network solutions, both wireline and wireless telecommunication solutions for this fast paced growing need. Products such at IEEE-1588 PTP Grandmasters and slaves as well as BITS Timing Signal Generators such as the OSA-5548C. Brandywine has joined forces with Oscilloquartz, a world-wide leader in telecom equipment, to offer the latest technology and excellent service for the telecommunications world in the U.S. and Canada.

Brandywine is continuously on the cutting edge of technology and offers the industry's broadest range of solutions for customers requiring precise time and frequency.

Brandywine Classics, a division of Brandywine Communications, applies theirtechnology and creative design to produce striking, reliable, and accurate analog and digital clocks for your every need. These include tower clocks, street clocks, and canister clocks. Brandywine Classics can also upgrade existing analog clocks with today’s technology.  All their time displays offer SNMP management for easy maintenance and use.

Technical Support - email us or call 714-755-1050

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