LB5940L

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 The LB5940L from Ladybug Technologies is a True RMS Microwave Power Sensor that operates from 9 kHz to 40 GHz. The high sensitivity, high accuracy RF sensor is ideal for EMC applications, general-purpose average power, and scalar measurements. It is recommended for average power measurements on signals of any modulation type, including 802.11ac, GSM, CDMA 2000, CDMA (IS-95), TDMA, Multi-Tone, OFDM, CW, and QAM. This sensor has a dynamic range from -60 to 26 dBm and can handle a maximum average power of up to 400mW and 2 W peak power.

The sensor utilizes a highly accurate, thermally stabilized, two path, RMS responding, square law diode detection scheme. It makes accurate measurements on any signal regardless of its modulation bandwidth. Once measurements are set up, a computer or power meter is not required to operate the sensor making it ideal for unattended applications. LadyBug's PMA-12 Power Meter software and a high accuracy real-time clock are also included with this sensor.

The LB5940L features SPI & I2C optional interfaces for ATE, direct control, and embedded applications. It is compatible with U2000, USBTMC, USB HID IVI foundation & an industry compatible IEEE 488.2 SCPI command set, and a variety of options, like triggering, security & analog outputs. Time-domain trace visibility is included and aids in setting markers. The sensor is useful in research & development, manufacturing & service applications, including radar, satellite, and telecommunications. Standard connector is 2.9mm, optional connectors available.

Product Specifications

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Product Details

  • Part Number
    LB5940L
  • Manufacturer
    LadyBug Technologies
  • Description
    USB Power Sensor

General Parameters

  • Type
    USB Power Sensor from 9 kHz to 40 GHz
  • Frequency
    9 kHz to 40 GHz
  • Applications
    Radar, Satellite, EMC Testing
  • Power Measurement
    RMS, Average Power / CW
  • Power Range (Watts)
    0.4 W
  • Power Range
    26 dBm
  • Average Power Range
    26 dBm
  • Peak Power Range
    2 W(Pulse)
  • Connector
    2.92 mm, 2.92 mm - Male, SMB, SMB - Male
  • Impedance
    1 KOhms
  • Interface
    USB, SPI, I2C
  • VSWR
    1.05:1, 1.58:1
  • Dynamic Range
    -60 dBm to +26 dBm
  • Operating Temperature
    0 to 55 Degree C
  • Storage Temperature
    -25 to 85 Degree C
  • Note
    Voltage : 10 Vdc, Interface Option : SPI, I2C, Damage Power : +29 dBm (800 mW), Peak Pulse Damage Power : +36 dBm (4 W)

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