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Frequency

number of times waves occur per unit time.

See Also: Gigahertz, Microwave, Terahertz, Band


Showing results: 2626 - 2640 of 4188 items found.

  • USAF Targets

    Applied Image, Inc.

    These targets conform to MIL-STD-150A. Frequencies change by the 6th root of 2. This target is also available in custom sizes and contrasts. This test target meets requirements as specified in MIL-STD-150A for resolving power tests. The target consists of a series of Elements having two sets of lines at right angles. Each set of lines consists of three lines separated by spaces equal to the line width. Each bar has a length to width ratio of 5:1. (Line width is equal to one half of line pitch, which is the inverse of line frequency.) Elements are arranged in groups of six each and Groups are arranged in pairs. Even numbered Groups occupy the left side and bottom right corner and contain a square feature having and edge length equal to the line length of Element 2 in that group. Odd numbered Groups occupy the top right corner and side. Groups and Elements are labeled and differentiated by numbering adjacent to their features. Frequencies in cycles/mm (c/mm) increase between each Element by the sixth root of two (approximately 12.25% per step). The general formula for the line frequency of any target Element can be expressed as 2Group+(Element-1)/6.

  • PWM Type AC Power Supply

    LSP-5KVA - Lisun Electronics Inc.

    • Circuit Type: (IGBT) MPWM Pulse Duration Modulation • Input: 1 Phase 220V±10%, 50Hz/60Hz±5% • Output Voltage: HIGH/LOW Adjustable 1)1 Phase Voltage Range: (HIGH)0~300V, (LOW)0~150V 2) Nominal Voltage: +10%~+25%, -10%~-30% • Output Frequency: 50Hz, 60Hz, adjustable between 45 and 70 Hz, 400Hz • Load Voltage Stabilization Rate: ≦0.5% • Frequency Stabilization Rate: 0. 1% (Fix Point 50Hz, 60Hz and 400Hz) • Wave Distortion Rate: ≦2% (Resistor Load); Efficiency: ≧85% • Output Instruments: Frequency Indicator, 4-digits RMS digital frequency indicator, resolution is  0.1Hz Voltage Meter, 4-digits RMS digital voltage meter, resolution 0.1V Ampere Meter, 4-digist RMS digital ampere meter, resolution 1Ma Power Indicator, 4-digits RMS digital power indicator, resolution 1W Power Factor Meter  Resolution 0.001 • Protective Devices: Over load, short circuit, over voltage, over current, over temperature protective and alarm devices • Operating Environment: Temperature 0~40℃ Relative Humidity 0~90%

  • LISN

    EMCTEST

    The LISN (Line Impedance Stabilization Network) or AMNs (Artificial Mains Networks) is a device to create a known impedance on power lines of electrical equipment during electromagnetic interference testing. Frequency range: 150kHz a 30MHz

  • Wireless Digital Multimeter AC

    IDVM510 - Supco

    The iDVM510 Wireless Multimeter has all the essential modules for convenient and safe troubleshooting and data logging. It provides manual & auto-ranging, measures AC/DC voltages up to 1000V, AC/DC current, resistance, capacitance, & frequency.

  • Component Testers

    B&K Precision Corporation

    Unlike other handheld instruments such as LCR meters that make measurements using an AC signal with a specific test frequency, the 830C measures capacitance by applying a constant current that briefly charges, then discharges the connected capacitor.

  • ​RF Converters

    Teledyne Lincoln Microwave

    Typically designed for radar or wideband EMC test applications, our frequency converter modules are designed for the conversion between complex baseband waveforms and higher transmitted frequencies. These modules are ideal for integration with digitising modules.

  • Single Phase Relay Tester

    PTE-50-CE Pro - EUROSMC, S.A.

    This electronic, independent source can be adjusted in amplitude, frequency, and phase angle. It comes installed as standard with the ‘Pro’ versions of the PTE sets, but it can also be purchased separately and mounted by the user inside the unit’s lid in a few minutes.

  • RF Cable Assemblies

    JYEBAO Co., Ltd.

    Transmission lines for radio frequency (RF) signals traveling from one point in a system to another (e.g., PC board to PC board, PC board to antenna, equipment to antenna, equipment to equipment, etc.).

  • Test Port Cable, 1 Mm

    11500J - Keysight Technologies

    The Keysight 11500J test port connector has a length of 16 cm and a frequency range of DC to 110 GHz. The 11500J integrates with the Keysight N5250A network analyzer and Keysight 8510XF network analyzer systems.

  • Digital Control VGAs

    Analog Devices Inc.

    Analog Devices digital controlled variable gain amplifiers provide discrete levels of gain control over a fixed number of control bits for a variety of audio and optical frequency bands. Our VGAs improve the dynamic range of a circuit by allowing users to adjust the amplitude of a signal in real time, which is critical for a number of applications involving ultrasound, speech analysis, radar, wireless communications, and instrumentation. We also offer a portfolio of voltage controlled VGAs to provide you with continuous gain control over a wide dynamic range.

  • Digital Hay Moisture Meter

    LD-LHMM-A10 - Labodam

    Digital hay moisture meterLD-LHMM-A10is a digital device used for determination of moisture content in the various types of hay samples from agricultural waste. High frequency principle of more than 10 MHz is used for moisture measurement. It gives high precision test results due to wide measuring range. Quick moisture determination is achieved due to its compact and light weight design. Ideally used for moisture measurement in samples like sugarcane waste, corn stalks, wheat straw, bamboo, tobacco leaf, etc.

  • Diversity Receiver

    R400a - Lectrosonics, Inc.

    The R400a is a high performance, triple-conversion, frequency synthesized, UHF receiver fully compatible with all Lectrosonics 400 series transmitters, and a number of analog models. The proprietary audio processing includes a DSP (digital signal processor) for very low distortion and a superior signal to noise ratio. The DSP eliminates a compandor and its artifacts to provide exceptional audio quality when operating in its native hybrid mode. Special DSP algorithms also provide compatibility modes for use with Lectrosonics 100 and 200 Series analog transmitters.

  • Dual-ridge Horn Antenna 1 to 18 GHz

    EH118 - MVG EMC

    EH118, a dual-ridge horn antenna that will operate from 1 to 18 GHz. This antenna has a balanced, smooth antenna factor curve that extends all the way to 18 GHz, a reduction of higher order modes on the aperture, and low return loss (SVSWR). The EH118 is applicable for commercial, military and automotive test standards and will include applicable calibrations. The EMC dual-ridge horn antenna offers these key features: single linear polarization, smooth/balanced gain with frequency, low return loss /VSWR, and ultrawide bandwidth (18:1).

  • Function/Arbitrary Waveform Generators

    SDG800 Series - SIGLENT Technologies

    The SDG800 series function/arbitrary waveform generator family outputs waveform functions up to up to 5 MHz (pulse), 10 MHz (square), 30 MHz (sine) and has a sampling rate of 125 MSa/s. They are powered with SIGLENT’s EasyPulse technology which produces low jitter, fast rising/falling edges without being affected by frequency, even at low duty cycle settings, allowing the user a wide range of pulse widths and transition times. This results in a much more versatile generator than other similar DDS designs.

  • Handheld Digital Multimeter, AC/DC Current, AC/DC Voltage, Capacitance, Resistance, True RMS

    72-2995 - Tenma

    40,000 count industrial True RMS digital multimeter is a highly versatile handheld instrument boasts 5-1/2 digit TRMS accuracy. It provides AC/DC voltage and current measurement, resistance, capacitance, temperature and frequency measurement, displaying readings on a backlit LCD digit and analogue bargraph display. Other features include non-contact voltage detection, continuity and diode test and USB data logging. All this is housed in a rugged overmolded enclosure with carry case, test leads and USB interface cable included.

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