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Pin-Diode Attenuator (Linearized Voltage Controlled)

Variable Attenuators

MCLI variable and fixed attenuators positions reduce power signal without disrupting its waveform and have the ability to change attenuation values within a frequency range while maintaining low insertion loss and VSWR. Variable attenuations may be operated with a multi-turn screwdriver-slotted shaft, turns counting dial, knob control dial option, or direct read options. MCLI also offer flatness models in many broad and narrow frequency ranges.

Fixed attenuators can be used in the measuring of signals on pads to lower the amplitude balance to enable measurements, or to protect the measuring device from signal levels that could be damaging. MCLI Fixed attenuators are offered in many connector configurations and frequency ranges with low and high power solutions.

 

  • Model Number
     
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  • PIN DIODE ATTENUATOR (LINEARIZED VOLTAGE CONTROLLED)
    0.5-18.0 GHz, MODEL LC AND VC SERIES

    FEATURES:

    • Wide Band
    • Monotonic
    • Low Insertion Loss
    • Dynamic Attenuation Range
    • High Temperature Stability

    GENERAL INFORMATION
    RF Impedance :50 Ohms
    DC Voltage : ±15 Volts @ ± 50 mA Max.
    Attenuation Range : 0 - 30 db or 0 - 60 db
    Power Handling : +10 dBm CW (Survival Power +30 dBm)
    Switching Speed : 10 Microseconds
    Control Characteristics Range : 0 to +6 Volts
    Transfer Function : 10 db per Volt @ 10 K Ohms
    Monotonicity : Guaranteed
    Attenuation Variable With Temperature : 0.025 db / ºC
    Max for all models
    Operating Temperature
    Units can withstand -55º to +85º C but will not maintain attenuation values.
    Units with built-in temperature compensation available upon request

    Click Part Number For Drawing
     
    LINEARIZED VOLTAGE CONTROLLED ATTENUATOR

    PART
    NUMBER
    FREQUENCY
    RANGE (GHz)
    INSERTION LOSS (dB)
    VSWR
    Max.
    FLATNESS
    10dB
    FLATNESS
    20dB
    FLATNESS
    40dB
    FLATNESS
    60dB
    LC-1 0.5-1.0 1.7 1.50:1 ±0.5 ±1.0 ±1.7 ±2.0
    LC-4 0.5-2.0 2.5 1.80:1 ±0.75 ±1.25 ±2 ±2.5
    LC-2 1.0-2.0 3.5 1.80:1 ±0.4 ±1.7 ±1.7 ±2.0
    LC-3 2.0-4.0 5.0 2.00:1 ±0.5 ±1.0 ±1.7 ±2.0
    LC-7 2.0-8.0 3.2 1.90:1 ±0.5 ±1.0 ±1.8 ±1.8
    LC-5 4.0-8.0 2.6 1.70:1 ±0.5 ±1.0 ±1.7 ±2.0
    LC-8 2.0-18.0 4.5 2.20:1 ±0.8 ±1.2 ±2 ±3.0
    LC-6 2.6-5.2 1.7 2.20:1 ±0.5 ±1.0 ±1.5 ±1.8
    LC-9 4.5-13.5 3.0 2.20:1 ±1.0 ±1.7 ±3.0 ±3.8
    LC18-15 5.0-5.5 2.5 1.80:1 15±2 N/A N/A N/A
    LC-10 5.0-10.0 2.8 1.70:1 ±0.7 ±1.0 ±1.7 ±2.0
    LC-11 6.0-12.0 2.8 1.80:1 ±0.8 ±1.0 ±1.7 ±1.8
    LC-12 6.0-18.0 4.0 2.00:1 ±0.8 ±1.7 ±3.2 ±3.6
    LC-13 8.0-12.0 2.6 1.80:1 ±0.8 ±1.0 ±1.5 ±1.6
    LC-14 8.0-18.0 4.0 2.00:1 <±0.9 ±1.1< ±1.1 ±1.8
    LC-14-60 8.0-18.0 3.25 1.90:1 N/A N/A N/A 63±2.2
    LC-15 9.23-9.26 2.6 1.80:1 ±0.8 ±1.0 ±1.5 ±1.6

    Custom Designs For Attenuation Accuracy and Flatness Available.
    Contact Manufacturer for Other Specifications.
     




    VOLTAGE CONTROLLED ATTENUATOR
     
    PART
    NUMBER
    FREQUENCY
    RANGE (GHz)
    INSERTION LOSS (dB)
    VSWR
    Max.
    FLATNESS
    10dB
    FLATNESS
    20dB
    FLATNESS
    40dB
    FLATNESS
    60dB
    VC-1 0.5-1.0 1.7 1.50:1 ±0.5 ±1.0 ±1.7 ±2.0
    VC-4 0.5-2.0 2.5 1.80:1 ±0.75 ±1.25 ±2.0 ±2.5
    VC-2-32 1.0-2.0 3.2 1.80:1 ±0.5 ±0.8 ±1.5 ±2.2
    VC-2-64 1.0-2.0 3.7 1.80:1 ±0.5 ±0.8 ±1.5 ±2.2
    VC-3 2.0-4.0 4.5 1.80:1 ±0.5 ±0.8 ±1.5 ±2.2
    VC-6 2.0-6.0 3.5 1.80:1 ±0.5 ±.75 ±1.5 ±2.0
    VC-7 2.0-8.0 3.5 1.90:1 ±0.5 ±1.0 ±2.0 ±2.5
    VC-8 2.0-18.0 4.5 2.20:1 ±0.8 ±1.5 ±2.5 ±3.0
    VC-5 4.0-8.0 2.6 1.70:1 ±0.3 ±1.0 ±1.7 ±2.0
    VC-9 4.0-12.0 3.5 2.00:1 ±0.75 ±1.25 ±1.75 ±2.5
    VC-9-64 4.0-12.0 3.5< 2.00:1 10±0.75 32±2 64±2.2 80±2.5
    VC-18-15 5.0-5.5 2.5 1.80:1 ±0.8 15±2 ±1.9 ±3.0
    VC-10 5.0-10.0 2.8 1.70:1 ±0.5 ±1.0 ±1.7 ±2.0
    VC-10-64 5.0-10.0 3.0 1.80:1 ±0.5 ±1.0 ±1.7 64±3.5
    VC-11 6.0-12.0 3.0 1.80:1 ±0.5 ±1.0 ±1.7 ±2.0
    VC-11-32 6.0-12.0 3.25 1.90:1 ±0.5 ±1.0 31±2 ±2.0
    VC-11-64 6.0-12.0 3.25 1.90:1 ±0.5 ±1.0 ±1.7 63±2.2
    VC-12 6.0-18.0 3.6 2.00:1 ±0.9 ±1.5 ±1.9 ±3.0
    VC-12-32 6.0-18.0 3.6 2.00:1 ±0.8 ±1.5 32±1.9 ±3.0
    VC-12-64 6.0-18.0 3.25 1.90:1< ±0.8 ±1.5 64±1.9 64±2.2
    VC-13-32 8.0-12.4 4.0 2.00:1 ±0.75 ±1.25< 32±1.9 ±2.5
    VC-14 8.0-18.0 3.5 2.00:1 ±0.8 32±2 64±2.2 80±3.5
     
    Custom Designs For Attenuation Accuracy and Flatness Available.
    Contact Manufacturer for Other Specifications.