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    Symmetricom Model S250 GPS Time & Frequency Standard

    The Symmetricom Model S250 Time and Frequency System is a Ex-Support as NEW unit but it should be noted that Time of Day capability will be impacted by GPS roll over in September 2022. Frequency capabilities will continue to operate after this date. Configuration of this unit is as follows:

    • Rubidium Atomic Clock
    • Independent Time/Frequency References: GPS, IRIG B, 1PPS, 10 MHz
    • Frequency Output:  10MHz, 1PPS
    • High-Resolution Vacuum Fluorescent Display
    • Full Numeric Keypad
    • Requires Antenna


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  • Microchip Model S650 GPS Time & Frequency Standard

    The SyncServer S650 Time and Frequency Standard provides unprecedented synchronization flexibility and performance using Microchip FlexPort™ technology. The GPS referenced S650 is designed for modern electronics systems and networks that require best-in-class synchronization performance easily adaptable to a wide range of applications.The base Timing I/O module with eight BNC connectors comes standard with the most popular timing I/O signals (IRIG B, 10 MHz, 1PPS and so on). When more flexibility is required, the unique Microchip FlexPort Technology option enables six of the BNCs to output any supported signal (time codes, sine waves, programmable rates), all configurable in real time via the secure web interface. The incredible BNC-by-BNC configurations makes very efficient and cost-effective use of the 1U space available.

    • GPS Stratum 1
    • Frequency Accuracy: <1x10E-12
    • Rubidium Atomic Clock or OCXO Options
    • FlexPort: Selectable I/O
    • IRIG B, 1MHz, 5MHz, 10MHz, 1PPS I/O
    • Built-in DoS Detection and Protection
    • Security-Hardened NTP Reflector™
    • Secure Web-Based Management
    • IPv6/IPv4 on all Ports
    • Dual Power Supply Option
    • PTP Option
    • Fibre Optic Isolation I/O
    • Havequick/PTTI


  • Microchip MAC-SA.3Xm Miniature Atomic Clock

    The Microchip Rubidium Miniature Atomic Clock (MAC – SA.3Xm) features compact design and low power consumption. Cost effective, and easily adaptable to a wide variety of timing and synchronization applications. The SA.3Xm is designed for applications where an economical solution for frequency stability is required. Requiring little power, and able to operate across a wide spectrum of temperatures, the SA.3Xm is an ideal choice for Wireless Base Stations, Telecom Networks, and Test and Measurement devices requiring the precision of a Rubidium Oscillator

    Key Features:

    • Frequency Output: 10MHz CMOS Square Wave
    • Accuracy: <±5×10–11
    • Aging Rate per Year: ±1.5×10–9
    • Operating Temperature: –10 °C to 70 °C
  • Microchip CSAC Chip Scale Atomic Clock

    The Microchip SA.45s CSAC is the world’s first commercially available Chip Scale Atomic Clock, providing the accuracy and stability of atomic clock technology while achieving true breakthroughs in reduced size, weight and power consumption.


    Key Features:

    • < 120mW power consumption
    • < 17cc volume
    • 35g weight
    • ±5.0E-11 accuracy at shipment
    • <1E-11 @1000s Short Term Stability (Allan Deviation)
    • <9E-10 /mo Aging Rate (Typical)
    • -10oC to +70oC Operating Temperature