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Electronic circuits which refine signal by blocking certain frequencies, while allowing other frequencies to pass.

See Also: Filter / Amplifiers, EMI Filters, Low Pass Filters, Programmable Filters, Attenuators


Showing results: 1006 - 1020 of 1029 items found.

  • Field Strength Meter

    FIM-72A UHF - Potomac Instruments, Inc.

    The Model FIM-72A is a portable, laboratory quality Field Strength Meter designed for rigorous field applications. Combining a calibrated half-wave dipole antenna and a highly accurate tuned voltmeter with a range of 140 dB, the FIM-72A is suitable for practically all types of RF emission measurements in the 450 MHz to 960 MHz spectrum. The operator can switch select wide or narrow bandwidth, peak or average value of TV or pulse modulated signals, AM or FM demodulation, and meter dynamic range of either 20 dB or 60 dB. A dc analog voltage, proportional to meter indication, is provided for driving a chart recorder or similar device. A leveled output from the calibrating generator is available for measuring cable insertion loss, filter response, amplifier gain, VSWR, and other signal ratio measurements. The 4-1/2 inch, taut band, mirrored scale meter is calibrated in volts and dB for precise measurements in field or laboratory environments.

  • Power modules

    G.R.A.S. Sound & Vibration A/S

    It provides polarization voltage for the transducer, ensuring that the microphone gets the charging voltage it needs.It provides supply voltage for the microphone preamplifier. The preamplifier acts as a unity gain impedance converter. It provides a certain amount of line drive capability by providing a low output impedance and output current, making it possible to transmit the signal from the transducer to the Power Module without significant degradation.A power module can provide amplification or attenuation to the signal, thus making it possible to fine tune the measurement chain to the signals being measured and the hardware being used.Selectable filters make it possible to exclude unwanted noise from the measurement, e.g. wind induced noise from outdoor measurements.Overload detection makes it possible to validate the measurements and is a useful tool in monitoring setups.When a Power Module with gain is used, you can use longer cables because of the power module's ability to deliver current.A Power module introduces electrical isolation

  • M2 & BPP Systems

    Duma Optronics LTD

    The M2 factor wil define the beam propagation characteristics compared to ideal Gaussian beam propagation. According to ISO Standard 11146 rightfully offers the laser beam characterization as "M2 times diffraction limited beam", as such, a perfect beam will have an M2 of 1. 1 will be the best achievable value and no beam could have an M2 less than 1. Our conceptual design is based on sub-assemblies allowing to change the sensing head in the M2 device, offering multiple wavelengths heads up to 2.7 microns from deep UV (knife-edge technology) and camera based technology with built-in automatic filter wheel for adjustment.  For focused beams, the same measuring head could be attached to a device for meauring highly divergent or highly convergent beams - FocusGage-BA, wherein the Laser Analyzing Electronic Autocollimator offers the capability of divergence measurement with Coming Soon M2 definition. M2Beam is the cornerstone of those measuring devices.

  • High Temperature Clip-On Gages (700 C)

    Model 7641 - Jinan Testing Equipment IE Corporation

    These COD gages use a high-temperature capacitive sensor and do not require any cooling. They will operate up to the maximum temperature limit of most environmental chambers used in materials testing. The Model 7641 is ideal for determination of fracture mechanics parameters such as JIC, KIC, R-curve, fatigue crack growth rate (da/dN), and testing to standards such as E1820, E399, E647, etc. All units can be displaced slightly in compression for ease of installation. The COD gage is supplied with the advanced DT6229 controller. The standard output is 0-10VDC analog signal, factory calibrated with the COD gage. This system provides a number of functional enhancements, including: high speed digital output, built in calibration and tare functions, analog and digital filters, and more. The 7641 is readily interfaced with most existing test controllers, and may be directly connected to a data acquisition system or chart recorder, or directly to a PC. The 7641 may be used for strain controlled tests such as JIC.

  • Digital Module For Remote I/O

    NI

    Digital Modules for Remote I/O provide 24 V digital inputs or outputs and offer 1‐, 2‐, 3‐, and 4‐wire spring terminal connection options. You can use inputs as counters or standard digital inputs, and you can adjust filter time to improve measurement quality. Inputs can include a built‐in power supply for sensors. Output modules feature circuit and overload protection and can drive up to 500 mA per channel, up to 8 A per module.A remote I/O system consists of an EtherCAT bus coupler and individual modules mounted on a DIN rail. You control the Digital Module for Remote I/O from a NI real‐time controller. You can use remote I/O hardware to add low‐cost I/O for simple tasks while your controller handles advanced tasks such as image processing, motion control, and high‐speed or specialty measurements.

  • Diagnosis Tool for Sercos III Networks

    Sercos Monitor - Sercos International e.V.

    The Sercos Monitor is a powerful diagnosis tool for Sercos III networks which is available for free download from the Sercos website. It allows a comprehensive and detailed analysis of data traffic in Sercos III networks. The Sercos Monitor supports the Windows XP and Windows 7 operating systems. The tool, which is based on the WinPcap interface, allows a retrospective evaluation of network records saved in pcap format, as well as real-time analysis of network traffic. The user-friendly interface and overview functions which are characteristic of Sercos III networks, such as topology, communication phases and service channel transfers, allow the analysis process to be started quickly and in a targeted manner. Experienced users also have comprehensive protocol and analysis functions available to them. Various views and filters allow an evaluation of Sercos III real-time telegrams and other Ethernet telegrams which is tailored to meet the user's requirements. If required, the functionality of the Sercos Monitor can also be expanded with user-specific plug-ins.

  • Miller 400D

    44550 - M. C. Miller Company

    No need to select ranges or adjust dials – the Miller 400D provides a direct read-out of resistance with the push of a button• Bluetooth interface allows optional data-logging via a Bluetooth-enabled PC (or PDA)**• Rugged, hard plastic case - safe to use on wet ground – IP67 rating for dust and water intrusion• Resistance measurement range from 0.01Ω to 10MΩ (auto-ranging) • High resolution digital display• Resistance measurements are unaffected by any stray interference signals that may be present in the earth during readings, due to the use of narrow band-pass filters centered at 82.2Hz (the unit’s operating frequency)• Runs on a set of replaceable D-cell alkaline batteries...no need to periodically recharge the unit or to plug it into a power source• Performs 10,000 single readings on a fresh set of batteries• Integrates with Universal Rectifiers’ Soil Depth Selector/Multi-Pin Cable Harness System (please see Integration with Universal Rectifiers’ Cable Harness)

  • PSD Signal Processing Tool

    SEEPOS - SiTek Electro Optics AB

    For most position measurement applications the SiTek SEEPOS system offers a complete and easy-to-use solution. High speed PSD electronics combined with digital signal processing and high speed USB data transfer gives a powerful measurement system. With its large dynamic range it can handle light powers from nW to mW from DC light sources as well as modulated light sources. All parameters, such as PSD bias voltage, amplifier gain, the use of analog and digital filters etc., are easily controlled from the included software and light spot position is continuously displayed both in XY and X-t, Y-t graphs. Optimized plot algorithms ensure that all data is visually seen on the screen even in full speed measurements. Included tools for data analysis and visualization simplify rapid scan through large data sets in order to find specific parts of interest.

  • Sensor

    VL53L1 - Pure Engineering, llc

    The VL53L1 is a state-of-art Time-of-Flight (ToF) laser-ranging miniature sensor. Housed in a miniature and reflowable package, it integrates a SPAD (Single Photon Avalanche Diodes) array, physical infrared filters and optics to achieve the best ranging performance in various ambient lighting conditions, with range of cover glass options.Unlike conventional IR sensors, VL53L1 uses ST’s latest generation direct ToF technology which allows absolute distance measurement whatever the target color and reflectance. It provides accurate ranging up to 4m and can work at fast speed (60Hz), which makes it the fastest miniature ToF sensor on the market.With patented algorithms and ingenious module construction, VL53L1 is also able to detect different objects within the Field-of-View with depth information (histogram) at 60Hz. Scene browsing and multi-zone detection is now possible with VL53L1, thanks to software customizable detection array for quicker “touch-to-focus” or mini depth-map use cases.

  • Confocal FLIM System

    DCS-120 - Becker & Hickl GmbH

    *FLIM Upgrade for Existing Conventional Microscope*Two Fully Parallel TCSPC FLIM Channels*Compact bh Simple-Tau or Power-Tau System*Scanning by Fast Galvanometer Mirrors*Channel Seperation by Dichroic or Polarising Beamsplitters*Individually Selectable Pinholes and Filters*One or Two BDL-SMN or BDS-SM ps Diode Lasers*Two Fully Confocal Detection Channels*Two HPM-100-40 GaAsP Hybrid Detectors*Optional: Two HPM-100-06 Hybrid Detectors, IRF Width < 20 ps FWHM*Optional: HPM-100-50 Hybrid Detectors for NIR FLIM*Optional: Multi-Wavelength FLIM*Excellent Time Resolution: Electrical IRF Width 6.5 ps FWHM*Time Channel Width Down to 813 fs*Megapixel FLIM, Up to 2048 x 2048 Pixels at 256 Time Channels*Simultaneous FLIM/PLIM*Wideband Version, Compatible with Tuneable Lasers*Electronic Pinhole Alignment*Z-Stack FLIM Acquisition with Zeiss Axio Observer Z1*Optional: Spatial Mosaic FLIM via Motorized Sample Stage

  • Multiphoton FLIM System

    DCS-120 MP - Becker & Hickl GmbH

    *Multiphoton FLIM Upgrade for Existing Conventional Microscope*Two Fully Parallel TCSPC FLIM Channels*Compact bh Simple-Tau or Power-Tau System*Scanning by Fast Galvanometer Mirrors*Channel Seperation by Dichroic or Polarising Beamsplitters*Individually Selectable Pinholes and Filters*Excitation by Ti:Sa Laser*Two Non-Descanned Detection Channels*Two HPM-100-40 GaAsP Hybrid Detectors*Optional: Two HPM-100-06 Hybrid Detectors, IRF Width < 20 ps FWHM*Optional: HPM-100-50 Hybrid Detectors for NIR FLIM*Optional: Multi-Wavelength FLIM*Excellent Time Resolution: Electrical IRF Width 6.5 ps FWHM*Time Channel Width Down to 813 fs*Megapixel FLIM, Up to 2048 x 2048 Pixels at 256 Time Channels*Simultaneous FLIM/PLIM*Electronic Pinhole Alignment*Z-Stack FLIM Acquisition with Zeiss Axio Observer Z1*Optional: Spatial Mosaic FLIM via Motorized Sample Stage*Laser Control via SPCM Software

  • 5-in-1 Environmental Meter

    Extech EN300 - Extech Instruments Corporation

    The EN300 Measures Humidity, Temperature, Air Velocity, Light and Sound. Rugged 5-in-1 environmental meter with tripod mount and RS-232 PC interface. Large dual LCD simultaneous display of Temperature and Air Velocity or Relative Humidity. Characters on display reverse direction depending on Hygro-Thermo-Anemometer or Light-Sound Mode. Data Hold, Min/Max, Auto power off, Low Battery/Overrange indication. Built-in low friction vane wheel improves accuracy of air velocity in ft/min, MPH, m/s, km/h, and Knots. Built-in precision thin-film capacitance humidity sensor for fast response. Built in thermistor for ambient temperature measurements. Type K input measures temperature to 2372° (1300°C). Utilizes precision photo diode and correction filter for Cosine and color corrected light measurements. Sound Level measurement meets IEC 61672 class 2 using A frequency weighting and fast response time. Complete with Type K thermocouple probe, pouch case, and six 1.5V AAA batteries.

  • Confocal FLIM for Macroscopic Objects

    DCS-120 Macro - Becker & Hickl GmbH

    *FLIM of Macroscopic Objects*Scan Field Up to 15 mm Diameter*Two Fully Parallel TCSPC FLIM Channels*Compact bh Simple-Tau or Power-Tau System*Scanning by Fast Galvanometer Mirrors*Channel Seperation by Dichroic or Polarising Beamsplitters*Individually Selectable Pinholes and Filters*One or Two BDL-SMN or BDS-SM ps Diode Lasers*Tuneable Excitation by Super-Continuum Laser with AOTF*Two Fully Parallel Detection Channels*Two HPM-100-40 GaAsP Hybrid Detectors*Optional: Two HPM-100-06 Hybrid Detectors, IRF Width < 20 ps FWHM*Optional: HPM-100-50 Hybrid Detectors for NIR FLIM*Optional: Multi-Wavelength FLIM*Excellent Time Resolution: Electrical IRF Width 6.5 ps FWHM*Time Channel Width Down to 813 fs*Megapixel FLIM, Up to 2048 x 2048 Pixels at 256 Time Channels*Simultaneous FLIM/PLIM*Wideband Version, Compatible with Tuneable Lasers*Electronic Pinhole Alignment*Optional: Spatial Mosaic FLIM via Motorized Sample Stage

  • PCI Bus Analog Output Board, 4 Isolated Outputs, 14 Bit

    APCI-3501-4 - TEAM SOLUTIONS, INC.

    4 analog output channels Optical isolation 500 V Settling time 30 µs typ. 14-bit resolution (13 bit for 0-10 V) Output voltage: ±10 V, 0-10 V (switchable through software) Output voltage after reset: 0 V Each output channel has its own ground line (without optical isolation from the others) Driver capacity: 5 mA/500 pF Short-circuit protection, EMI filters Noise neutralization of the PC supply Creeping distance: 3.2 mm acc. to DIN VDE 0411-100 Watchdog for resetting the analog output channels (4 different time units: µs, ms, s, min) or as 12-bit timer (with interrupt possibility), when the watchdog function is not necessary2 digital input channels, 24 V, isolated 2 digital output channels, 24 V, isolated Noise immunity Test level: ESD: 4 kV Fields: 10 V/m Burst: 4 kV Cond. radio interferences: 10 V

  • *Pulse Characterization Sensors

    mks Ophir

    Pulse Characterization Sensors provide the ability to see and measure the temporal characteristics of pulsed and CW laser beams. Ophir Fast Photodiode Detectors are designed to convert optical signals into electrical signals which are then measured with third-party instrumentation such as oscilloscopes and spectrum analyzers. Accessories are available to connect to IS6 integrating spheres or fiber optic cables. Attenuating filter accessories are also available to increase their dynamic range. Different models offer silicon, UV enhanced silicon and InGaAs PIN photodiodes, covering a combined spectral range of 193 nm to 1700 nm. Rise times range from 25 picoseconds to 3 nanoseconds. The fast rise times are achieved by an internal reverse bias voltage circuit. Power is supplied by internal batteries and/or an external power supply depending on the model. Detectors should be connected to a 50Ω impedance in order to maintain their nominal rise times. They can be connected to higher impedance loads, but this will result in a significant increase in the rise time. If higher output voltage is required, it is recommended to connect the detector to a trans-impedance amplifier with an Input impedance of 50Ω

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