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References
A source of comparison.
See Also: Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Reference Transmitters, Acoustical References, Frequency References, Solar Reference Cells
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PXI-6608, 5 V, 8-Channel, Precision Reference PXI Counter/Timer Module
777937-01
5 V, 8-Channel, Precision Reference PXI Counter/Timer Module—The PXI-6608 is a high-precision counter/timer module that performs a wide variety of counter/timer tasks, including encoder position measurement, event counting, period measurement, pulse-width measurement, pulse generation, pulse-train generation, and frequency measurement. It features a 10 MHz oven-controlled crystal oscillator (OCXO), eight counter/timers, digital debouncing filters, and TTL/CMOS-compatible digital I/O. The PXI-6608 offers industrially rugged features for a wide array of applications such as automotive/aerospace, industrial/motion control, and manufacturing test.
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PXIe-6614, 5 V, 8-Channel, Precision Reference PXI Counter/Timer Module
782353-01
PXIe, 5 V, 8-Channel, Precision Reference PXI Counter/Timer Module—The PXIe‑6614 is a high-precision counter/timer module that performs encoder position measurement, event counting, period measurement, pulse-width measurement, pulse generation, pulse-train generation, and frequency measurement. It features eight counter/timers, digital debouncing filters, and TTL/CMOS‑compatible digital I/O. The PXIe‑6614 offers industrially rugged features for a wide array of applications such as automotive/aerospace, industrial/motion control, and manufacturing test. Measurements are highly accurate and precise over longer periods of time because of the oven‑controlled crystal oscillator (OCXO) in the module.
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COM-HPC Server Type Reference Carrier Board in Extended ATX Form Factor
COM-HPC Server Base
The COM-HPC Server Base is an extended ATX size COM-HPC Server Type reference carrier board based on PICMG COM-HPC Revision 1.0. Together with the COM-HPC Server Type module of your choice and off the shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification.
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COM Express® Type 6 Reference Carrier Board in ATX Form Factor
Express-BASE6
The Express-BASE6 is an ATX size COM Express Type 6 reference carrier board. Together with the COM Express Type 6 module of your choice and off the shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification.
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COM Express® Type 7 Reference Carrier Board in ATX Form Factor
Express-BASE7
The Express-BASE7 is an ATX size COM Express Type 7 reference carrier board. Together with the COM Express Type 7 module of your choice and off the shelf add-on cards, you can quickly emulate the functionality of your desired end product for software development and hardware verification.
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COM Express® Type 2 Reference Carrier Board in ATX Form Factor
Express-BASE
The COM Express approach of custom carrier combined with off the shelf system cores is an excellent solution when you need to customize but lack the time or quantity for a complete redesign. It fits most system integration projects with production volumes from 500 to 10,000 pcs per year. The COM Express concept has a great many advantages over full custom designs, it reduces engineering complexity, lowers the threshold for total project quantity and last but not least brings your product to the market in no time. The average time to design a carrier board is less than half the time of a full custom OEM board.
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COM-HPC Server Type Size E Reference Development Platform based on Ampere® Altra® SoC
Ampere Altra Developer Platform
Backed by a broad Arm® ecosystem with an Ampere® Altra® SoC at its core, using the Arm® Neoverse™ N1 platform, the Ampere Altra Developer Platform provides premium performance from a cloud-to-edge infrastructure, keeps an extremely low thermal envelope, lower TCO, and significantly lower power consumption than x86 designs. It supports the open source EDKII as bootloader with UEFI, so customers can just download a stock AArch64 (arm64) ISO such as Ubuntu and install it through booting a live ISO directly on the target. The same convenience we have become used to by using x86 / amd64 target systems.
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COM-HPC Server Type Size E Reference Development Platform based on Ampere® Altra® SoC
AVA Developer Platform
The platform hosts the SOAFEE (Scalable Open Architecture for Embedded Edge) providing a cloud-native environment for embedded edge development. It supports the open source EDKII as bootloader with UEFI, so customers can just download a stock AArch64 (arm64) ISO such as Ubuntu and install it through booting a live ISO directly on the target. The same convenience we have become used to by using x86 / amd64 target systems.
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Timing Modules
Quartzlock provides Timing Modules for network timing, reference disciplining to various input references such as 1PPS, GPS receiver and Frequency References.
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High Frequency Synthesizer
HFS Series 1.25” x 1” x 0.25”
*Surface Mount Package *Broadband Designs Available *Optional Internal Reference *Optional Reference Detect Switch *Internal Reference Output Available *Off-the-Shelf Products Available
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pH/ORP Electrodes
2734-2736
The Signet 2734-2736 pH and ORP Electrodes features a patented reference electrode design and uses the unique foul-proof patented DryLoc connector. The large area PTFE reference junction, salt bridge and reference electrode are constructed to increase the total reference effectiveness, resist chemical attack, and ensure long service life.
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Electrodynamic Vibration Test Systems
DC-series
Depending on the reference PSD or other operating conditions such as the specimen, one part of the controlled response may deviate from the reference PSD
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Frequency Dividers
Holzworth Instrumentation, Inc.
The HX4210 was designed as a reference output translator for Holzworth's early RF Synthesizer designs. The key design requirement was to maintain the low phase noise /jitter characteristics the 100MHz calibrated reference output signal so that it could be utilized as a 10MHz laboratory reference standard.
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pH/ORP Electrodes
2724-2726
The Signet 2724-2726 pH and ORP Electrodes features a patented reference electrode design and uses the unique foul-proof patented DryLoc connector. The large area PE reference junction and pathway is constructed to increase the total reference effectiveness and ensures long service life.
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Gas Density Switches
WIKA Alexander Wiegand SE & Co. KG
Our gas density switches operate on the reference chamber principle: A chamber filled with SF6 gas serves as a reference. With environmental influences, the reference chamber behaves the same as the tank and thus does not cause any change in the switching status. The instruments are suitable for medium and high-voltage levels and can be fitted with up to 4 micro switches. They are notable for their compact dimensions and the very high leak tightness of the reference chamber.
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Block Down-Converter
BDC Series 5” x 2.5” x 0.6”
*Connectorized Package *Compact, Rugged Design *Custom Designs Available *Internal Low-Noise LO *Automatic Switchover to Internal Reference ifExternal Reference is Removed
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Elcometer Surface Comparators
125
Using the Elcometer 125 surface comparators as a reference the blasted profile can be compared to the four reference profile grades in each comparator. Profiles are recorded in microns.
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eVe LIDAR
eVe LIDAR aims to provide the ESA-Aeolus mission with a flexible, mobile reference ground-based LIDAR system capable of providing well-characterized fiducial reference measurements of aerosol optical properties
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Phase Detectors
Macom Technology Solutions Holdings Inc.
MACOM's MSPD Series Integrates an SRD reference frequency multiplier, coupling capacitors and a Schottky diode microwave sampler / phase detector in a 0.075” by 0.100” hybrid. They are used to phase lock microwave oscillators up to 22 GHz to a much lower reference frequency by deriving a locking voltage from the sampled RF and the multiplied reference.
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Saturable Spectroscopy Laser Lock Module
A compact, mechanically-robust laser frequency reference.
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High-Speed Clock Generator - PCIe
Model 7894
Provides sample clock for up to four separate PCIe Cobalt or Onyx boards, Locks to user-supplied 10 MHz reference clock or on-board reference, OCXO provides an exceptionally precise clock.
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Frequency Synthesizers
The APSYN and APUASYN series consist of low phase-noise synthesizers operating up to 40 GHz. The modules have a MHz frequency resolution. The internal high-stability reference can be phase-locked to an external programmable reference.
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General Performance Differential Pressure Transducers
These general performance Baratron® differential capacitance manometers measure the difference in pressure between the inlet tube and the reference cavity. The reference cavity can be connected to any pressure or vacuum source, or be open to local atmosphere.
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Comb Generator Emitters
CGE
These reference signal source generate a broadband radiated and/or conducted output up to 40 GHz. When used as a verification reference source, the known output allows unknowns within systems or components to be measured or calculated.
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Microvolt DC Volt Meter
QA350
The QA350 relies on a built-in reference to calibrate the ratio between the hi and low ranges. If you have a preferred lab reference, you may use that it to improve the QA350 accuracy beyond the indicated +/- 400 PPM. For example, various vendors on eBay can provide calibrated +/-30 PPM 5 or 10V voltage references that can be used to set the ultimate accuracy of the QA350 to under 50 PPM at room temperature.
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Downconverter
DOWNCONVERTER 10 GHz VXI
The DOWNCONVERTER 10 GHz design assumes its use in closed mobile complexes for field testing of communications equipment. To do this, the device has applied advanced solutions to reduce the phase noise of the output signal in conditions of increased vibration and temperature. The device has a temperature-stabilized reference frequency generator with the ability to output a reference frequency signal. Also, it is possible to operate from an external reference generator.
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Frequency Generation & Monitoring
Timetech reference generators, phase comparators, and synchronized oscillators.
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Brake Fluid Boiling Point Tester With Bluetooth Printer
6513D
Peaceful Thriving Enterprise Co Ltd
This tester can measure the boil point of the brake fluid. It can obtain the wet boiling temperature of the brake fluid for technician as a reference for maintenance. It can be the reference when technician is going to change the brake fluid.The testing data print by Bluetooth printer.
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Incremental Encoders
Versatile, compact and flexible – Incremental encodersIncremental encoders are used when retention of absolute position upon power loss is not required. These encoders provide information about the position, angle and number of revolutions. The number of lines per revolution determines the resolution. The current position can be determined by counting these pulses from a reference point. Upon activating the machine, a reference run to the reference point is required to determine the absolute position of the encoder.