Rubidium Reference
In telecommunication, a rubidium standard is a frequency standard in which a specified hyperfine transition of electrons in rubidium-87 atoms is used to control the output frequency. (www.encyclopedia.thefreedictionary.com)
See Also: Rubidium Standards
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Satellite Signal Monitoring, Reference Solution
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The Keysight Satellite Signal Monitoring, Reference Solution is a fast, effective solution for monitoring large blocks of spectrum combined with precise digital modulation analysis to validate satellite signal integrity up to 50 GHz. Built upon a modular instrument format (PXIe), its attributes include: excellent instrument density, expandable multi-channel support, and high data bus speeds, ideal for multi-band monitoring. To provide flexibility, a choice of vector signal analyzers (M9391A and M9393A) is available to tailor the system frequency ranges as needed.
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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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Acoustical Generator (STIPA Reference)
TalkBox
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The TalkBox is an acoustic signal generator for speech intelligibility measurements in evacuation and announcement systems, as well as for level alignment of teleconference or other audio systems. It allows you to perform a complete end-to-end evaluation of the speech intelligibility STI from the talker’s microphone to the listener’s ears.
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Reference Transmitter
81491A
Transmitter
Keysight's 81491A Reference Transmitter is designed to offer excellent eye quality for NRZ and PAM4 signals at baud-rates up to 32Gbaud and can serve as universal E/O converter. It comes in Multimode (MM) and Single-Mode (SM) flavors and includes internal lasers at 850nm (MM) or 1310&1550nm (SM). External optical input for usage with tunable laser sources is available for SM option. It is fully integrated into Keysight’s Optical Receiver Stress Test solutions to address test requirements of IEEE 802.3 10,40,100 and 400GBASE optical standards.
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Standards Reference for Test Systems PXI Card
GX1034
PXI Card
The GX1034 offers PXI system designers the capability to develop a system re-certification strategy that employs only internal system resources. By incorporating the GX1034 as part of a system configuration, it is possible to develop a system accuracy verification strategy that can recertify a system's source and measure baseband instrumentation resulting in simplified support / maintenance logistics and improved system availability.
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Xytronic Single-Phase Reference Standard +/- 0.04%, +/- 0.02%, +/- 0.01%
RADIAN RX-20, RX-21 and RX-23
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Radian Research is committed to providing our customers with leading innovative and technologically superior products, while maintaining metrology capability in power and energy measurement that is surpassed by none. Our engineers drew on the expertise and knowledge we acquired for our industry-leading legacy RM (Metronic) and RD (Dytronic) reference standards to develop the RX (Xytronic), the ultimate in power and energy measurement technology perfection.
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Reference Electrodes
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Reference electrodes are widely used as: electrochemical measurements (CV, LSV, DPV, etc.) electrochemical devices (detectors for HPLC, biosensor, etc.)
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Reference Temperature Sensors
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AMETEK Sensors, Test & Calibration
Our reference sensors can be used as your daily working-reference sensors in laboratory or field calibration applications. A large selection of types are available, including; straight, 90 degree angle, 4 mm or 1/4”. The superior design and specifications combined with a long history of reliability and low drift have made the STS probes the working-standard in many EN/IEC 17025 accredited laboratories worldwide. The DLC sensors are a part of our patented Dynamic Load Compensation system.
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Reference plus Comparator or Amplifier
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Analog Devices reference plus comparator or amplifier products combine the excellent initial accuracy and low overtemperature drift performance of single function voltage references with comparators, buffer amplifiers, and current sense amplifiers. These products offer compact solutions for a broad range of applications such as battery monitoring, threshold detectors, window comparators, auto power-off circuits, and low dropout (LDO) regulators.
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802.11ad Testbed, Reference Solution
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Generate and analyze 802.11ad fully coded PHY waveforms for complete component, subsystem, and system performance at baseband, IF, and millimeter-wave. This Reference Solution combines Keysight Technologies software and hardware to provide a flexible testbed for 802.11ad waveform generation and analysis. Software provides the flexibility to generate and analyze 802.11ad waveforms with a wide range of different attributes. Hardware provides the flexibility to support baseband, IF, and millimeter-wave test planes. Create waveform sequences with unique 802.11ad packet structures including Modulation Coding Scheme (MCS), packet length, payload data type, and interpacket gap length, etc.
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Precision Chilled Mirror Reference Hygrometers
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Chilled mirror dew-point hygrometers provide highly accurate and stable measurements of trace moisture and humidity. The precision chilled-mirror reference hygrometers are sensitive to changes in very low moisture concentrations (less than 5 ppbV).
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Precision Low Power FGA™ Voltage References
ISL60002
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The ISL60002 FGA™ voltage references are very high precision analog voltage references fabricated on Renesas' proprietary Floating Gate Analog technology and feature low supply voltage operation at ultra-low 350nA operating current. Additionally, the ISL60002 family features guaranteed initial accuracy as low as ±1.0mV and 20ppm/°C temperature coefficient. The initial accuracy and temperature stability performance of the ISL60002 family, plus the low supply voltage and 350nA power consumption, eliminates the need to compromise thermal stability for reduced power consumption making it an ideal companion to high resolution, low power data conversion systems.
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SR Series AC Reference Supplies
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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" x 3.1" x 1"H.
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Reference Meter
SB1300
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Shenzhen Star Instrument Co., Ltd.
The SB1300 three-phase multi-function reference meter incorporates 32-bit floating point DSP, wide-range measuring and embedding industrial PC technologies. This model was the first approved by China National Institute of Metrology. Star Instrument has been granted the first manufacturing license for class 0.02 reference meters. Basic measuring range (phase voltage): 1V~480V, current measuring range: 1mA~120A; wide measuring range (phase voltage): 0.1V~1000V, current measuring range: 0.1mA~200A
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Reference Detect Switch
RDS Series 1.5” x 1.5” x 0.6”
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*Connectorized Package *Internal/External Reference Detect Switch *Standard Internal TCXO (±2.5 ppm) *Optional Internal OCXO (±90 ppb)
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Iron, Steel & Alloy Reference Materials
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NCS Testing Technology Co., Ltd.
Iron, Steel & Alloy Standards by NCS
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DDR4 Parametric Test Reference Solution
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Keysight's DDR4 parametric test reference solution helps verify the signal integrity of DDR4 memory designs according to JEDEC specifications.
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Ultra Low Noise Disciplined Frequency 4220a Standard with Rubidium and OCXO Clean-Up Oscillator
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Precise Time and Frequency, Inc.
The ptf 4220A is an Ultra Low Noise Disciplined Frequency Standard with rubidium and OCXO clean-up oscillator.The instrument contains a high performance rubidium module, with an extended life design, and very low aging rate, with high quality OCXO o/p for low phase noise.
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3207a GPS/GNS Frequency and Time Reference
GlobalTyme2
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Precise Time and Frequency, Inc.
The ptf 3207A GlobalTyme2 GNS Receiver introduces a new level of advanced capability from a second generation, based on the highly successful ptf 3203A and ptf 3204A GlobalTyme receivers.The unit is both a frequency standard and a time standard and has been used as a precision frequency reference with low phase noise, in satellite communications applications around the world.
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Programmable Voltage Reference Plug-In
ProDAQ 3202
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The ProDAQ 3202 voltage reference card is used in the ProDAQ 3180 ultra-performance motherboards and LXI function card carriers. The ProDAQ 3202 voltage reference card is plugged directly onto the motherboard or carrier and can distribute the reference voltage to all ProDAQ function cards via two signal lines. This allows the distribution as a differential signal to overcome possible noise pick-up.
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LTE/LTE-Advanced Multi-Channel, Reference Solution
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Gain greater insight faster with a compact, multi-channel LTE-A PXI signal generator and signal analyzer reference solution.This Reference Solution uses world-class Signal Studio software to create complex LTE-A waveforms and the 89600 VSA/WLA software to connect to multiple analyzers. The VSA software allows engineers to quickly view multiple antenna elements simultaneously and analyze the RF performance and modulation domains for timing and signal quality issues in complex carrier aggregation and MIMO/beamforming designs.
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Sound Power Reference Source
Qref
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Precision omni-directionallity in all directions, horizontal and verticalplane. This source has a frequency range of application between 100 and8000 Hz (third octave bands) Despite only weighing 1.4 kg and having a diameter of 105 mm, it produces a maximum sound power level of Lw 104 dB.
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Solution Standard Reference Materials
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NCS Testing Technology Co., Ltd.
Solution Standard Reference Materials by NCS
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Redundant Reference Frequency Shaper
CH7-317
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Redundant reference frequency shaper Ch7-317 is designed to generate and reproduce frequency and time signals protected from frequency and phase failures based on the results of signal processing from a group of frequency and time keepers.
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Reference Transmitter
81492A
Transmitter
Keysight's 81492A Reference Transmitter is designed to offer excellent eye quality for NRZ and PAM4 signals at baud-rates up to 56 Gbaud and can serve as universal single-mode E/O converter. In addition to the internal lasers at 1310 & 1550 nm, an external optical input for usage with tunable laser sources is available. It is fully integrated into Keysight’s Optical Receiver Stress Test solutions to address test requirements of IEEE 802.3 10,40,100 and 400GBASE optical standards.
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Intelligent Reference
TM-4D
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The Intelligent Reference/TM-4D™ breaks new ground for time and frequency references. For the first time, it is possible to generate and distribute both analog and digital signals to multiple instruments and locations with just one product that fits in a single rack space. The TM-4D is three instruments in one: an Intelligent Reference/TM-4™ precise time and frequency reference, a digital signal distribution amplifier and an analog distribution amplifier. And it eliminates the need for multiple boxes.
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Standard Step Tablets, Gray Scales & Density Reference Charts
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Standard Step Tablets, Gray Scales & Density Reference Charts are available in a wide variety of patterns, designs and sizes to fit a multitude of today’s application needs. Our gray scales and density patches are measured on a variety of NIST traceable instrumentation, including some of the most sophisticated microdensitometers available to the industry. They are imaged on either Photo Paper (RM) or Film (TM) to function for reflective or transmissive applications.
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Ferroalloy Reference Materials
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NCS Testing Technology Co., Ltd.
Ferroalloy Standards by NCS
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Reference Sources
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A physical or digital document that you would refer to for more information about a topic.
