• Product Model:
    VHF Bootstrap II

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    DESCRIPTION

    At VHF frequencies, the Bootstrap oscillator provides unprecedented low-g sensitivity to 2e-11/g. The standard Bootstrap oscillator consists of two rugged OCXOs of the same frequency, which can be any fixed frequency between 25 MHz and 256 MHz, and all necessary components to phase lock the two oscillators together. Special compensation techniques are used to minimize vibration induced phase noise including positioning the two oscillators mechanically in two axes to offset vibration sensitivity as well as adjusting the electrical tuning of both oscillators with a properly scaled compensation voltage. The Bootstrap oscillator assembly is an ideal solution for the most demanding airborne, mobile and shipboard applications requiring greatly improved dynamic phase noise performance with effective acceleration sensitivity performance approaching 2E-11/g per axis. Effective acceleration sensitivity to 2E-12/g can be realized with the addition of an external vibration isolation system, assuming a typical natural mount resonant frequency around ~30 Hz. The assembly is housed in a 3.75” x 3.5” x 0.9” machined aluminum case. An internal voltage regulator is provided for excellent power supply line rejection. Please consult the factory if you need any specifications to be modified to better suit your application.

    Features

    Frequencies from 25 MHz to 256 MHz, fixed
    Premium Phase Noise Options
    Utilizes Bootstrap Technology Noise Cancellation Techniques
    External Vibration Isolated Version Available
    Ruggedized for Dynamic Environments
    Machined Aluminum or Steel Case
    SMA(f) and Solder Pins on Side
    Output: Sine, +13 dBm, Standard
    Effective-G Sensitivity ≤ to 2e-11/g per axis, 2e-12/g Isolated

    Applications

    Airborne
    Radar Systems
    Tactical Radio
    Vehicular Communication
    Shipboard Applications

    TYPICAL SPECIFICATIONS

    VHF Bootstrap II Typical Specs 170522

    MECHANICAL DRAWING

    VHF Bootstrap II_mechanical