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Berkeley Nucleonics Model 1105-HS 400MHz Universal Counter w/Stability Oven

    Berkeley Nucleonics Model 1105-HS 400MHz Universal Counter w/Stability Oven

    Manufacturer: Berkeley Nucleonics Corporation

    This product is no longer available at Saelig. Please contact us for technology alternatives.

    GPIB Option Add $110.00

    • Specifications
    • Downloads

    Signal Input Rage

    LVTTL and TTL Compatible


    Timing Restrictions

    Pulse Width
    > 50 ns
    Transition Time
    Start-to-Stop Time
    > 50 ns
    Damage Level
    12 Vrms


    External Arm Input Characteristics

    Impedance 1kΩ
    Input Capacitance 17 pF
    Start Slope Positive or Negative
    Stop Slope Positive or Negative
    1. External Arm is available for all measurements except Peak Volts

    2. External Arm is referred to as External Gate for some measurements


    Internal Time Base Stability

    Standard (0° to 50°C)
    High Stability Oven (1105-opt01)
    Temperature Stability (referenced to 25°C)
    ± 1 x 10E-6
    ± 5 x 10E-10
    Aging Rate

    Per Day

    Per Month

    Per Year

    ± 2x 10E-6



    ± 8 x 10E-8



    Turn-on stability vs time (30 min.)
    ±2.0 x 10E-8

    (referenced to 24 hours


    External Time Base Input Specifications

    0 V
    Input Capacitance
    25 pF
    Input Frequency
    10 MHz


    Internal vs. External Time Base Selection

    Manual Select Internal or External
    Automatic Internal used when External not present (default)


    Time Base Output Specifications

    Output Frequency 10 MHz
    Voltage 570 mVpp ( 0 dBm), typical
    Impedance 50 Ω (typical), AC coupled


    Measurement Specifications

    Frequency, Period Channel 1 and 2 1 mHz to 400 MHz (2.5 ns to 1000 s)
    Trigger Default setting is Auto Trigger at 50%
    "Auto" Gate Time 0.1 sec
    STD CH 3 375 MHz to GHz (0.166 ns to 2.6 ns)

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