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Frequency

number of times waves occur per unit time.

See Also: Gigahertz, Microwave, Terahertz, Band


Showing results: 3571 - 3585 of 4188 items found.

  • Grid Simulators & Systems

    Regatron AG

    The latest multi-level inverter technology for high-resolution voltage / current patterns, allows the Simulator to cover the entire fundamental frequency range from DC up to 1000 Hz and up to 5000 Hz modulation bandwidth. A specialized multi-processor core prepares all relevant voltage / current shapes in real-time to ensure a very stable phase relationship and event timing throughout. A specialized multi-processor prepares all relevant voltage/current shapes in real-time to ensure a very stable phase relationship and event timing.

  • Digital Ultrasonic Maintenance System

    VPE-2000 - Superior Signal Company

    The Superior AccuTrak VPE-2000 is the first digitally controlled ultrasonic detector. Like two instruments in one it uses two independent sensors supported by separate electronic circuits configured specifically to their own sensor. This assures optimum sound clarity and frequency response. When switching between the airborne and contact sensors all settings are retained in memory! Digital LED meters let you establish baselines, perform trending, and accurately repeat these tests better than older more expensive analog instruments.

  • Portable Electrical Management Systems

    EMS-PT30C - Progressive Industries

    Progressive Industries Portable Electrical Management Systems (EMS) offer quick and easy RV electrical protection. A true plug-and-play application with no installation required. You will feel secure with multi-mode surge, voltage, polarity, and lost/open neutral protection. Each unit includes a digital display, scrolling continuously through the power source information: voltage(s), current frequency, error code, and previous error code (if applicable). Additionally, the computer is driven by state of the art microprocessors.

  • RV Power Protection with Surge

    EMS-PT50C - Progressive Industries

    Progressive Industries Portable Electrical Management Systems (EMS) offer quick and easy RV electrical protection. A true plug-and-play application with no installation required. You will feel secure with multi-mode surge, voltage, polarity, and lost/open neutral protection. Each unit includes a digital display, scrolling continuously through the power source information: voltage(s), current frequency, error code, and previous error code (if applicable). Additionally, the computer is driven by state of the art microprocessors.

  • Wideband Digital Down Converter

    Abaco Systems Inc

    A Digital Down Converter performs channel access functions in digital receivers. It is used for extracting a channel (frequency band) of interest in a wideband signal. Abaco Systems' wideband DDC core employs a quad DDC architecture to achieve ultra high performances. The core accepts up to 16-bit complex data and can process 1GSPS continuously. With a fully programmable architecture at all stages of the processing, this core combines flexibility and speed and can be used in combination with our dual-channel 1GSPS ADC module.

  • Wattmeters

    WaveNode

    Monitor 4 sensors simultaneously for peak, Average power and coax SWR. Direct USB 2.0 full speed interface. Backlit LCD display for stand-alone operation- Your PC is optional. Oscilloscope and Spectrum Analysis of the RF Modulation- Observe IM and "Splatter" frequency components realtime. Complete system includes (1) sensor, WN-2 unit, AC power module and software on CDROM. Wide range of sensors cover 100 milliwatt to 8KW, 1.6 Mhz to 470 Mhz.

  • Vehicle Electromagnetic Field Test System

    Beijing KeHuan Century EMC Technology Co,.LTD

    Vehicles are the daily means of transportation for our public, and the electromagnetic pollution in vehicles has received more and more attention from the public. The newly revised mandatory standard GB27630-201X "Air Quality Evaluation Standard for Passenger Cars" intends to require the electromagnetic field in the vehicle as one of the indicators. The measurement method measures the magnetic field strength in the vehicle. Within the frequency range of 10Hz-400kHz, the electromagnetic field measurement results should meet the requirements of the public limit of electromagnetic exposure in GB8702-2014.

  • Solid State Active Synchro Control Differential Transmitter

    Computer Conversions Corporation

    The input is transformer isolated and accuracy applies over the operating temperature range and with +/-10% input amplitude and frequency variations. The operational amplifier outputs are not transformer isolated, and can be driven into external power amplifiers and Scott "T" transformers for 3 wire synchro outputs. A typical application of this series is in a conventional positioning servo system as a complex error processor. The use of the solid state CDX makes possible the design of servo systems that can be digitally programmed by direct computer input to the digital input of the SCDX.

  • Signal Analyzer

    bsw TestSystems & Consulting AG

    The simplest way to measure the phase noise is to compare the Device-Under-Test (DUT) to the source of a spectrum analyzer. With the SA set at the same frequency as the OUT, you see the sum of the SA's and DUT's sideband-power spectrum on the SA display. It is a simple and straight forward method well suited for free running VCO's where the SA is easily an order better.You can improve on this method by establishing a Phase Lock (PLL) between the DUT and the Local Oscillator and create a zero-IF or base-band spectrum analyzer system.

  • Solid State Active Synchro Control transformer and Solid State Resolver Control Transformer

    Computer Conversions Corporation

    The SCT Series are low cost, miniature, solid state control transformers designed for military and industrial control applications. They will directly replace conventional electromechanical control transformers & thus provide digital control to existing analog servo systems. They simultaneously accept a 3 wire synchro input (0) and a digital angle input (0), and provide an ouput which is the sine of the difference between these two input angles (A sin wt sin (0-0) ("wt" is the synchro excitation frequency).

  • Solid State Synchro Control Transformer and Solid State Resolver Control Transformer

    SCT-RCT Series - Computer Conversions Corporation

    The SCT Series are low cost, miniature, solid state control transformers designed for military and industrial control applications. They will directly replace conventional electromechanical control transformers & thus provide digital control to existing analog servo systems. They simultaneously accept a 3 wire synchro input (0) and a digital angle input (0), and provide an ouput which is the sine of the difference between these two input angles (A sin wt sin (0-0) ("wt" is the synchro excitation frequency).

  • Motor Rotation and 3-Phase Tester

    Extech 480403 - Extech Instruments Corporation

    The 480403 Phase Sequence and Motor Rotation Tester has a 40 to 600-Volt rated range for testing phase orientation of 3-phase power sources over a 2 to 400Hz frequency range. LEDs indicate phase orientation (clockwise or counter-clockwise) and whether each of the phases is live. In addition, it indicates rotation direction of the motor to ensure that it doesn't get damaged from incorrect wiring. Meter comes complete with cable and three large color coded alligator clips, pouch case, and 9V battery.

  • Wireless/RF Testing

    NCEE

    NCEE’s experienced iNarte EMC/EMI qualified staff provide wireless and radio frequency (RF) testing of intentional radiators to ensure they meet the FCC, CE, and many other international regulatory requirements for transmitting and receiving (radio) devices. Frequent regulatory changes and complex testing requirements are common with wireless/RF equipment. NCEE Labs stays current with the most recent requirements and can help you navigate your requirements while supplying quality testing services to demonstrate worldwide compliance!

  • ECM Noise Under RF Test System

    BK8020 - BaKo Co., Ltd

    The BaKo Type BK8020 ECM Noise Under RF Test System tests microphones under RF noise, using a ‘Direct Injection Test’ in the frequency range of 5MHz~2.5GHz with an amplitude modulated (AM) disturbance signal of 1kHz. You run the system using the controlling PC, which allows automatic configuration and which runs the test sequence automatically. When you finish testing, you can print data as an MS Excel report or save it for comparison and analysis.

  • Millimeter Wave Converter

    ZVA-Z Series - Radiometer Physics GmbH

    Millimeter-wave measurements in the V, E, W, F, D, G, J and Y band – network analysis in frequency ranges from 50 GHz to 500 GHz depending on the converter model. Featuring a wide dynamic range, the RPG converters offer high operating convenience and allow fast measurements. Two-port measurements can be performed using a four-port network analyzer and two converters; no external generator is required. When using a two-port network analyzer, an external generator is needed to supply the LO signals.

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