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VLF

frequency operates at 3–30 kHz. AKA: Very Low Frequency

See Also: Low Frequency, ELF


Showing results: 61 - 75 of 100 items found.

  • Hydrophone

    RESON TC 4032 - Teledyne Marine RESON B.V.

    The TC4032 general purpose hydrophone offers a high sensitivity, low noise and a flat frequency response over a wide frequency range. The high sensitivity and acoustic characteristics makes TC4032 capable of producing absolute sound measurements and detecting even very weak signals at levels below “Sea State 0”. The TC4032 incorporates an electrostatically shielded highly sensitive piezoelectric element connected to an integral low-noise 10dB preamplifier. The TC4032 preamplifier is capable of driving long cables of more than 1.000 meters, and the preamplifier features an insert calibration facility.

  • Sub-Bottom Profilers

    ParaSound Series - Teledyne Marine RESON B.V.

    The ParaSound is the most advanced hull mounted parametric sub-bottom profiler in the market. It utilises the parametric effect to generate a low frequency secondary signal by emitting two primary signals of higher frequencies.In comparison with traditional towed systems the ParaSound family offers very narrow transmission angle and greater positioning accuracy as well as higher operational speed and availability. Our sub-bottom profilers are suitable for operations to depths beyond the continental rise into the abyssal plains and down to the deep ocean trenches.

  • PXI 4 x Changeover Switch 1GHz, 75 SMB

    40-710-754 - Pickering Interfaces Ltd.

    Model 40-710 RF switching card has a bank of 4 individual high performance RF changeover switches (50 or 75 Ohm, Bi-directional) with very low insertion loss, suitable for handling signals up to 2.5GHz. Applications include aerial switching, routing high frequency signals into oscilloscopes and analysers.Available with a choice of connectors: SMA, SMB and Siemens 1.0/2.3 versions. BNC versions are also available with reduced bandwidth and 2 PXI slot occupancy.

  • PXI 4 x Changeover Switch 2.5GHz, 50 SMA

    40-710-524 - Pickering Interfaces Ltd.

    Model 40-710 RF switching card has a bank of 4 individual high performance RF changeover switches (50 or 75 Ohm, Bi-directional) with very low insertion loss, suitable for handling signals up to 2.5GHz. Applications include aerial switching, routing high frequency signals into oscilloscopes and analysers. Available with a choice of connectors: SMA, SMB and Siemens 1.0/2.3 versions. BNC versions are also available with reduced bandwidth and 2 PXI slot occupancy.

  • Precision Capacitance Meter

    TH2638C - Changzhou Tonghui Electronic Co., Ltd.

    TH2638 series is a new precision capacitance meter with higher test frequency. With small size and portable appearance, it is convenient for use on the shelves. With basic accuracy of ±0.07%, loss accuracy of 0.0005, test frequency up to 1MHz, 4.3-inch LCD screen, selectable Chinese-English operation interface, TH2638 series is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value. The results of testing one capacitor for several times are quite stable and accurate, even for lower value capacitors. The tester is compatible with SCPI command set, and configured with manipulator and scanner interface, the scanner interface can scan the open/short/ load error calibration in each channel, 256 channels at most. In low frequency, there is signal level compensation function. When the impedance is very small, the internal resistance in signal source and test cable will cause the voltage on terminal of DUT lower than the set range, then this function will adjust the level to the set range.

  • Precision Capacitance Meter

    TH2638 - Changzhou Tonghui Electronic Co., Ltd.

    TH2638 series is a new precision capacitance meter with higher test frequency. With small size and portable appearance, it is convenient for use on the shelves. With basic accuracy of ±0.07%, loss accuracy of 0.0005, test frequency up to 1MHz, 4.3-inch LCD screen, selectable Chinese-English operation interface, TH2638 series is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value. The results of testing one capacitor for several times are quite stable and accurate, even for lower value capacitors. The tester is compatible with SCPI command set, and configured with manipulator and scanner interface, the scanner interface can scan the open/short/ load error calibration in each channel, 256 channels at most. In low frequency, there is signal level compensation function. When the impedance is very small, the internal resistance in signal source and test cable will cause the voltage on terminal of DUT lower than the set range, then this function will adjust the level to the set range.

  • Precision Capacitance Meter

    TH2638B - Changzhou Tonghui Electronic Co., Ltd.

    TH2638 series is a new precision capacitance meter with higher test frequency. With small size and portable appearance, it is convenient for use on the shelves. With basic accuracy of ±0.07%, loss accuracy of 0.0005, test frequency up to 1MHz, 4.3-inch LCD screen, selectable Chinese-English operation interface, TH2638 series is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value. The results of testing one capacitor for several times are quite stable and accurate, even for lower value capacitors. The tester is compatible with SCPI command set, and configured with manipulator and scanner interface, the scanner interface can scan the open/short/ load error calibration in each channel, 256 channels at most. In low frequency, there is signal level compensation function. When the impedance is very small, the internal resistance in signal source and test cable will cause the voltage on terminal of DUT lower than the set range, then this function will adjust the level to the set range.

  • Precision Capacitance Meter

    TH2638A - Changzhou Tonghui Electronic Co., Ltd.

    TH2638 series is a new precision capacitance meter with higher test frequency. With small size and portable appearance, it is convenient for use on the shelves. With basic accuracy of ±0.07%, loss accuracy of 0.0005, test frequency up to 1MHz, 4.3-inch LCD screen, selectable Chinese-English operation interface, TH2638 series is easy to operate and provide fast and reliable test for ceramic capacitor production. Also, it can test all kinds of capacitors from low value to high value. The results of testing one capacitor for several times are quite stable and accurate, even for lower value capacitors. The tester is compatible with SCPI command set, and configured with manipulator and scanner interface, the scanner interface can scan the open/short/ load error calibration in each channel, 256 channels at most. In low frequency, there is signal level compensation function. When the impedance is very small, the internal resistance in signal source and test cable will cause the voltage on terminal of DUT lower than the set range, then this function will adjust the level to the set range.

  • 7.5 GHz Low Capacitance ÷10/÷20 probe

    PP066 - Teledyne LeCroy

    The PP066 is a high-bandwidth passive probe designed for the use with the WaveMaster™ and other high-bandwidth oscilloscopes that have 50 Ω input termination. This very low capacitance probe provides an excellent solution for higher frequency applications, especially the probing of transmission lines with 20–100 Ω impedance.

  • Compact Juno USB Interface

    Juno 7Z01250 - mks Ophir

    *Virtual laser power meter - From sensor to interface to PC - no power source needed*Plug and play with all standard Ophir smart sensors*Use with StarViewer free Android app to turn your smartphone / tablet into a power meter*Record every energy pulse at up to 10 KHz*Log power and energy, average, statistics, histograms and more with included StarLab application*New: Pulsed Power measurements with Thermopile sensors*New: Low Frequency Power on Photodiode sensors - power measurement based on pulse cycle (for VCSEL)*System Integrator Tools included: LabVIEW VIs, COM Object Interface*Very compact - is just an extension of the smart plug

  • 20 GHz Signal Source

    VCO Series - SignalCore, Inc.

    The SC5510A and SC5511A are VCO-based, synthesized signal sources with very low phase noise and an amplitude control of 0.01 dB throughout its -30 dBm to +15 dBm output power range. By utilizing a unique multiple phase-locked loop architecture, phase spurs are kept below -70 dBc across the entire tuning range, even at 1 Hz step resolution. Download the data sheet to see how the impressive features and specifications of these modules make them stand out when compared to other small modular synthesizers. These 20 GHz signal sources include an additional, independent RF2 channel with a tunable frequency range from 100 MHz to 3 GHz and a tuning resolution of 25 MHz. The extra channel makes the modules suitable for either single-stage RF conversion systems or dual-stage image suppression up/down converter systems. Both modules make great general-purpose laboratory signal sources where demanding low phase noise and signal purity are required. They are both ideal choices as an integrated clock source for fast DAC and ADC applications, especially those that require variable sampling rates. Full implementation instructions, GUI, driver software, and example code are provided with each module.

  • Wireless Belt-Pack Instrument System

    IS400 Compact - Lectrosonics, Inc.

    The IS400 Pro Digital Hybrid Wireless system sets new standards for wireless guitar and bass. Ultra portability, flat frequency response, low distortion and compandor-free operation provides the closest thing to using a high-quality, short instrument cable. The system reproduces the lowest fundamental from a 5-string bass (low B) at 32Hz up to the very highest overtones and harmonics and provides lively, responsive playing for the professional artist.

  • Wireless Belt-Pack Instrument System

    IS400 - Lectrosonics, Inc.

    The IS400 Digital Hybrid Wireless system sets new standards for wireless guitar and bass. Flat frequency response, low distortion and compandor-free operation provides the closest thing to using a high-quality instrument cable. The system faithfully reproduces the lowest fundamental from a 5-string bass (low B) at 32Hz up to the very highest overtones and harmonics.

  • Super Phosphor Oscilloscopes

    SDS2000X-E Series - SIGLENT Technologies

    The SDS2000X-E series employs a new generation of SPO technology. With its excellent signal fidelity, background noise is lower than similar products in the industry. It has a minimum vertical input range of 500 uV/div, an innovative digital trigger system with high sensitivity and low jitter, and a waveform capture rate of 400,000 frames/sec (sequence mode). It also employs a 256-level intensity grading display function and a color temperature display mode not found in other models in this class. Siglent’s newest oscilloscope offering supports multiple powerful triggering modes including serial bus triggering and decoding. History waveform recording and sequential triggering allow for extended waveform records to be captured, stored, and analyzed. Also included is the deep memory FFT. This math function uses upto 1 M samples for the FFT calculation, providing the SDS2000X-E with very high frequency resolution. The hardware co-processor executes true fast measurement and math to all of 28M sample points so that there is minimal distortion on analysis. It also supports searching and navigating, on-screen Bode plot, 16 channel digital /MSO (optional), an external USB powered 25 MHz AWG function generator module (option), a USB WIFI adapter for wireless control and monitoring (option), and an embedded application that allows remote control via web browser. The features and high-performance of the SDS2000X-E oscilloscopes cannot be matched else anywhere at this price.

  • The Leading Measurement System for the Analysis of Porous Materials

    ELWIS - Autoneum Holding AG

    ELWIS (Evaluation of Light Weight Impedance System) offers a full and rapid characterization of porous materials based on the analysis of a single sample. The ELWIS system consists of the ELWIS-A and ELWIS-S components which can be used independently from each other although both applications are needed for a complete material simulation.ELWIS-A measures acoustic parameters that are needed to evaluate the acoustic performance of sound insulation and sound-absorbing multi-layer materials. An additional impedance tube for absorption measurements at higher frequencies is available for ELWIS-A.ELWIS-S measures structural parameters that are needed to simulate the dynamic and acoustic behavior of sound packages in the medium to low frequency range (including the "Poisson Ratio" for foam materials).ELWIS is very easy to operate: Thanks to its user-friendly software, the system can also be used to obtain reliable results by users with only limited experience in the characterization of porous materials.

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