Frequency References
See Also: References, Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Reference Transmitters, Acoustical References, Solar Reference Cells
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Real Time MM-Wave Frequency Analyzers up to 180 GHz
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When millimeter-wave applications came into many domains of human activity, a need for precise measurements of signal frequency spectrum has become critical. This need is quite understandable when, for example, it concerns to exploring extraterrestrial radio-sources or micro/mm-wave background emission in radio-astronomy, or measuring chemical composition of the atmosphere through the molecular emission of different its components, plasma diagnostics or many military applications.
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Product
High Frequency Infrared Carbon and Sulfur Analyzer
CS-8820
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Wuxi Jinyibo Instrument Technology Co., Ltd.
Infrared detector with low noise, high sensitivity and high stability. The modular design of the whole machine improves the reliability of the instrument. The electronic balance is automatically connected. WINDOWS full Chinese operation interface, easy to operate, easy to master. Dynamic display of various data and carbon in the analysis process. Measuring linear range is wide, and can be expanded. High-frequency circuit design is reasonable, high-frequency furnace power is adjustable, suitable for different material sample analysis requirements. The automatic cleaning device of the burner can reduce the influence of dust on the analysis results. The burner heating device makes the conversion rate of sulfur tend to be consistent, which improves the stability of sulfur determination. Measuring linear range is wide, and can be expanded. The software is fully functional, providing more than forty functions such as file help, system monitoring, channel selection, mathematical statistics, result correction, breakpoint correction, and system diagnosis.
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Analytical Reference Materials & Standards
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Agilent, now with former Ultra Scientific, offers a comprehensive portfolio of analytical standards, reference materials and certified reference materials for environmental, food safety, elemental analysis, instrument calibration, tuning mixes, and more.Reference materials and certified reference materials are substances that are tested to be homogenous and have fixed values of its concentrations. These standards are a critical component of your application workflow - from sample prep, instruments, columns, supplies, and services. The success of your analysis depends upon the quality of your reference material. All Agilent standard reference materials have been manufactured to the highest quality in an ISO 9001, ISO 17025 and 17034 accredited facilities to ensure the accuracy of your analyses.If you need a custom reference material, partner with us to design and develop a custom standard to your specifications.
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Reference Solutions
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As you seek solutions to evolving test challenges, Keysight Reference Solutions provide the right combination of hardware, software, and measurement expertise through programming examples highly optimized for specific applications. Reference Solutions show you how to get the most out of your test equipment, helping you achieve half the time to insight.
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High Frequency Current Transformer
HFCT
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The HFCT is a high frequency current transformer designed specifically for picking up partial discharge signals. It has a split core ferrite to allow retrospective fitting to earth straps without the need for disconnection. The durable body has a hinge and a quick release latch, making use quick and easy. The HFCT is constructed with an aluminium body to provide RF shielding and improved performance in noisy environments.
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Reference Magnets
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Reference Magnets provide a stable and convenient method to verify the accuracy and calibration of Hall Effect Gaussmeters, Teslameters, and Probes.
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Low-Mid Frequency Analyzer
LMFA-21
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Amfax introduce the latest PXI based High Performance Low and Mid Frequency Analysis System operating from 100Hz TO 2MHz with an extremely low noise floor. This high accuracy measurement instrument utilizes the National Instruments Function Generator and Flex Digitizer to optimize your frequency related product performance. Using the industry standard PXI platform enables us to offer the system a fraction of the cost of other typical two box solutions.
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Product
Frequency Response Function
FRF
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FFT Spectral Analysis. Frequency Response Function (FRF) is a commonly used measurement type of the Dynamic Signal Analyzer. FRF is defined as the ratio of response i.e. acceleration, velocity, or displacement with respect to the excitation force which is the reference.
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Active Frequency Multipliers
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The frequency multiplier which generates output signal with power greater than or equal to input power
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Frequency Demultiplexer
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Becker Nachrichtentechnik GmbH
Modern receivers for broadcast have a large number of antenna inputs for the different radio bands. The devices of the FDMX series can be used to supply the antenna inputs with RF signals. The devices of the FDMX series splits a sum signal in frequency division multiplex into the individual broadcast bands and the L1 satellite navigation band (GNSS). Additionally, DC loads are provided for each antenna input to simulate active antennas. The presence of remote power supply is indicated by an LED on the units.
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Product
Audio Frequency System
Locator Set / UL 30
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Cable fault location with the BAUR Locator Set / UL 30. The audio frequency system Locator Set is used to exactly determine the alignment of cables and metal gas or water pipes. With various accessories, this system becomes a universal, indispensable device for power companies, industries, installation companies and water suppliers.* Output energy up to 50 VA* Automatic or manual impedance adjustment* Charging unit and rechargeable battery integrated; battery or mains operation* Continuous or cyclical output
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Frequency Multipliers
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Excellent suppression of undesired harmonics and spuriousLow multiplier lossRugged coaxial and surface mount packages
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Counters & Frequency
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NLS panel mount digital counters, frequency meters, and interval timers are available in four case sizes and feature a wide range of functions. These versatile, rugged, and low cost meters find many applications. Features in various meters include highly accurate crystal time base circuitry, counts of up to one million per second, frequencies to 60 MHz, battery back-up and a presettable decimal point. Multiplexed BCD outputs are also available for some meters.
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Frequency Counter (225MHz - 18GHz)
S43180
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S43180 series high-precision frequency counter is a high-precision frequency measurement instrument. It has a frequency measurement resolution of 10 bits per second. The whole machine scheme adopts countdown technology and digital interpolation technology to realize the high-precision measurement of the instrument. It has measurement functions such as frequency, period, frequency ratio and powerful mathematical statistics operations (maximum value, minimum value, average value, PPM, standard deviation, Allan variance).S43180 series has reliable performance, complete functions, high measurement accuracy, wide frequency measurement range, high sensitivity, large dynamic range, high cost performance and easy to use. It is especially suitable for frequency measurement in scientific research and measurement fields such as aerospace, crystal oscillators, and components.
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Frequency Counters
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Combines a calibrated RMS RF Power Meter, a wide-band frequency counter, and a RF Signal Generator into one miniature USB device. Incredibly useful in production verification environments and other automated test setups.
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AC Reference Generators
SR21
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Computer Conversions Corporation
The SR Series are miniature, low cost AC reference generators designed to supply 26 or 115 volt excitation to synchros or resolvers in military and industrial control applications. They accept +/-15V DC and provide up to 5VA of transformer isolated output power. These converters are packaged in PC card mounting modules 2.6”x3.1”x1”H.
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Frequency Standards
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Precision Test manufacturers a complete range of frequency standards.  This includes rubidium and OXCO models either free running or controlled by an external reference (GPS, GLONASS, Galileo, 1pps, 5 MHz, 10 MHz, IRIG-B etc).  Output frequencies typically 1 MHz, 5 MHz, 10 MHz, 10.23 MHz, 13 MHz, 100 MHz or bespoke frequency.
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Frequency Meter
Reed Type
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*Vibrating Reed type frequency meters are available in size 72 x 72 & 96 x 96mm suitable 110V, 230V & 440V AC Operation.*Scale 45-50-55 Hz.*Model : SF-72 ( R ), SF-96 ( R ).
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HDMI / 3G Reference Media Player
VQS-300
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Versatile destop/rackmount unit, loaded with unique sophisticated set of static and dynamic test patterns - see more details in separate VQL for VQS PresentationMulti-format HDMI and 3G-SDI outputs, digital and analog AV outputs2.5 ppm accurate system clock to meet full 3G-SDI broadcast specsFront side bay for detachable SATA HDD – up to 2 TB of contentVQL - Library of unique sophisticated dynamic test patterns and sequencesLIve clips and 3D Video Tests, 5.1 Surround Sound and LR Stereo Audio TestsAll commonly used resolutions, aspect ratios, frame rates and interlace modesEasy expansion with any external USB storage device: BD/DVD, HDD, FD.
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Frequency Meter
Pointer Type
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*Frequency Meters pointer type with inbuilt transducer are available in size 72 X 72, 96 X 96 mm suitable for 110V, 230V & 440V AC*Scale 45-50-55 Hz.*Model : SF-72, SF-96.
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1.3GHz Frequency Counter
Model 1122 / 1122X
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- Wide Frequency Range 0.2Hz to 1.3GHz- 2 Separate Channels, for LOW & HIGH Frequencies- High Sensitivity- 8 Digit Green LED Display- Microcontroller based Advance Technology- Optional RS232 Interface- Reciprocal Counting Technique for High Resolution at Low Frequency- Period Measurement- Low Pass Filter for Noisy Low Frequency (<100KHz)- 4 Selectable Gates (10ms, 100ms, 1sec, 10sec)
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Universal Frequency Counter LXI, GPIB Interface
53230A
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For fast and accurate frequency and time-interval measurements, you need reliable devices in research and development. The Keysight 53230 universal frequency counter meets the requirements for this with its high accuracy, bandwidth and speed. Depending on the application and budget, choose one of the three available models. The connection to the PC is via USB, Ethernet/LXI or via GPIB.
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Hydrogen Frequency & Time Standard
CH1-1006
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The hydrogen frequency and time standard Ch1-1006 is designed to generate highly stable, high-frequency, spectrally pure sinusoidal 5, 10, 100 MHz and pulsed 1 Hz signals and for the behavior of time-frequency measurements.
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VoLTE Battery Test, Reference Solution
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The VoLTE Battery Test, Reference Solution is a fully automated test solution for chipset vendors and device makers who need to follow operators’ VoLTE battery acceptance test plans.
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VDI Millimeter-Wave Frequency Extension Modules for PXA, MXA, EXA Signal Analyzers
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These modules offer low conversion loss and excellent noise figure. Standard features include dual operating modes. First, the module can function as a high performance down-converting mixer. The second operating mode functions as a block down-converter with a broadband IF up to 20 GHz. Power to the module is provided via an included external DC power supply. These frequency extenders minimize conversion loss by multiplying and amplifying the LO signal internally, thus taking advantage of the benefits of low harmonic mixing. This architecture also preserves the X-Series precision frequency resolution and low phase noise, extending those qualities into the millimeter and sub-millimeter bands.
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Product
Audio Frequency Output Power Meter
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PGP Electronics Private Limited
PGP Electronics AF Output Power meter, model 3301provides reliable measurement of Audio Frequency Output Power. The audio power output meter, measurable from 0.01mW to 30W in 12 decades with 10 different termination impedances with both balanced and un balanced inputs. The instrument is very useful to conduct students projects, design and test simple sub systems in laboratories. New improved design features provides reliable working even in adverse environments.
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Millimeter-wave Operation With Frequency Extenders For M980xA PXI VNA
S95560B
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banded vector network analyzer (VNA) using the M980xA PXI VNAs and N5252AW or N5262BW Frequency Extenders.
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Product
Ultra Low Noise, Rubidium Frequency Standard.
A10-M
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Frequency Referencing, Calibration, Standards Lab, Production Test for Oscillator Manufacturers. A very high stability LOW NOISE 10MHz Rubidium Reference, primarily for production test of quartz oscillators and RF instrumentation frequency referencing. This industry standard 2U rack-mount instrument has a long heritage and ongoing production life for this latest 2009 version that features RS232 monitoring and control of the DPLL, locking the Ultra Low Noise OCXO to the Rubidium. Damping and Bandwidth is controlled by integrator digital gain, proportional digital gain, pre-filter order and subsample rate. Eight values of user selected bandwidth are available.
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Frequency Meter
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Shenzhen Graigar Technology Co.,Ltd.
A frequency meter is an instrument that displays the frequency of a periodic electrical signal. Various types of frequency meters are used. Many are instruments of the deflection type, ordinarily used for measuring low frequencies but capable of being used for frequencies as high as 900 Hz.





























