PCB-426A11

PCB-426A11

  • ICP® preamplifiers for 1/2 "-microphones,
  • Slide switch-configurable,
  • Output signal high-pass filtered, unfiltered and A weighted,
  • Gain 0 dB or 20 dB,
  • Frequency range 5 … 125,000 Hz,
  • Incl. TEDS memory chip
  • basic data
    Nominal diameter of microphone1/2 "
    reinforcement (rel. 1,000 Hz)-0.16 dB[1] [2]
    Filter 1high pass (third order Butterworth filter)[8]
    cutoff frequency of the high pass filter20 Hz[2]
    Filter 2A weighting filter[8] [9]
    frequency range (±0. 2 dB)5 … 125,000 Hz[6] [7]
    frequency range (±1. 6 dB) (with enabled A-weighted)12.6 … 20,000 Hz[6] [7]
    frequency range (±1, 0 dB) (with enabled A-weighted)20 … 10,000 Hz[7] [2]
    Frequency range (±0. 3 dB) (gain 20 dB)4 … 25,000 Hz[7]
    frequency range with 3 phase deviation … 10 °5 … 20 Hz[1] [3]
    Frequency range with phase deviation 3 … 3 °20 … 20,000 Hz[1] [3]
    noise (A-weighted, gain 0 dB)< 7.5MV[5] [1]
    noise (A-weighted, gain 0 dB)5 µV[5] [1] [2]
    noise (gain 0 dB)< 5.7 MV[5] [1]
    noise (gain 0 dB)4.2 µV[5] [1] [2]
    noise (gain 20 dB)< 60 µV[5] [1]
    noise (gain 20 dB)40 µV[5] [1] [2]
    noise (with high-pass filter, gain 0 dB)< 5.6 µV[5] [1]
    noise (with high-pass filter, gain 0 dB)3,7 MV[5] [1] [2]
    distortion (output 5 V pk at 1,000 Hz)≤ 60 dB[1]
    rate of change of the output2 V/µS[2]
    TEDS Chipintegrated by default[4]
    Conditions of use
    Temperature range (operation)4 … 158 ° F20 … 70 ° C
    Temperature< 0.05 dB
    Air humidity (non-condensing)0 … 95% RH
    influence by humidity< 0.05 dB
    Technical characteristics
    power22 … 34 V DC
    constant power supply4 … 20 mA
    Impedance (input)10 G Ω[2]
    capacity (input)0.28 pF[2]
    Bias voltage15 V DC[2]
    maximum voltage at the sensor input (gain 0 dB)pk 5 V[8]
    maximum voltage at the sensor input (gain 20 dB)0.5 V PK[8]
    impedance (at 1,000 Hz) (output)< 50 Ω
    output range (maximum)5 V pk
    Physical properties
    housing materialstainless steel
    size - diameter0.5in12.7 mm
    size - length4.25 in108.0 mm
    mass1.5 oz43.7 grams
    ConnectorBNC Jack
    Thread for microphone0,4606 - 60 UNS11,7 mm - 60 UNS
    notes
    [1]measured with a reference microphone with 18 pF
    [2]typically
    [3]filter and 20dB gain disabled
    [4]TEDS store According to IEEE PP1451. 4
    [5]20 … 20,000 Hz
    [6]deviation from ideal A weighting based on 1,000 Hz
    [7]relative to 1,000 Hz
    [8]the overload recognition is the filters upstream. Positive pulses at the output signal clipping.
    [9]for class 1-sound level meter in accordance with IEC 61.672 1.2002
    [10]details: see PCBs Declaration of conformance PS074
    equipment
    ERC-16Calibration of a microphone preamplifier-1

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