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Timing & Frequency

Brandywine TFD-8000 Time & Frequency Source
Product Overview

The TFD8000 is composed of a chassis/backplane and a large library of plug-in features that include:

  • Frequency Synthesizers
  • SA-ASM or CA code GPS receivers
  • Network Time Protocol (NTP) Time Server
  • Status Alarm Monitor
  • Quartz, Rubidium, Cesium Oscillator choices
  • Time Code Outputs
  • Dual/Triple redundancy with Automatic Switchover
  • Hot Swappable Modules
  • 1-5-10 MHz Outputs
  • T1/E1 Frequency Outputs

The TFD8000 is a militarized time and frequency system has been qualified to rigorous military standards and uses modular construction to ensure complete flexibility and easy maintenance. The TFD8000 is the US Navy’s program of record Time and Frequency Distribution System (TFDS) and is fully supported by the Navy’s supply system. Single, dual and triple redundant models are available. Over thirty standard options are available. Oven controlled and Rubidium time bases are available. Both types are disciplined to the GPS satellite system.

Rugged, Highly reliable, extremely flexible, great features, AN/BSQ-9(V) is shipboard qualified.

The TFD-8000 is the flagship of the Brandywine Communications fleet. It is a highly reliable, extremely flexible time and frequency source. Reliability and maintainability are features that were "designed in" to the Brandywine Communications TFD-8000, not added on.

Applications include Master Clock for ships and submarines, Military Secure Communication (C4I), Test Range primary time and frequency standard, Communications satellite ground station support, standards and calibrations laboratories.

The outputs of the TFD-8000 are fully compatible with other Brandywine Communications products such as Computer Clock Synchronization boards, Frequency Distribution Amplifiers, and Video Annotators as well as industry standards such as T1, IRIG and IEEE.

Specifications & Detail

Input Synchonization Sources
C/A code GPS Engines
Time Code Engines supporting IRIG-B, AFNOR, 2137, XR3 & NASA 36 Time Codes
ICD-GPS-060 Interface
TFS Composite Core Signal
P(Y) Code GPS SAASM receiver
Atomic Reference Inputs (1PPS, 1, 5, or 10MHz)
Oscillator Options
Oven Controlled Crystal Oscillator
Precision Double Oven Controlled Crystal Oscillator
Commercial Grade Rubidium Atomic Oscillator
Control Options
Front-panel keypad and display
Simple Network Management Protocol (SNMP) via Ethernet
Chassis Type Commercial Grade
Chassis Material Aluminum
Chassis Size 19"W x 21"D x 5.2" H (3U)
Weight 35lb typical
Power Supply 115/230 VAC selected
Temperature Operating -20 to + 55°CNon-Operating -40 to +70°C
Humidity 95% rh non condensing
EMC CE Compliant

Data Sheet & Downloads