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
-
Product
NI-6581B, 100 MHz, 54 Single-Ended-Channel, Kintex-7 FPGA-Support, Digital I/O Adapter Module for FlexRIO
783887-01
Digital I/O Adapter
100 MHz, 54 Single-Ended-Channel, Kintex-7 FPGA-Support, Digital I/O Adapter Module for FlexRIO—The NI-6581B is a digital I/O adapter module that, when combined with a PXI FPGA Module for FlexRIO or the Controller for FlexRIO, creates a digital instrument for interfacing with 54 single-ended digital pins. A digital I/O adapter module for FlexRIO can be used to do real-time interfacing of standard protocols and implement customized protocols. The NI-6581B can operate sample digital waveforms at up to 100 MHz. It includes support for common transistor-to-transistor logic (TTL) voltage levels, or other voltage references can be sourced externally using a front panel connector.
-
Product
Screen-Printed Carbon Electrode With Ag/AgCl Reference (RE)
SPE01
-
A screen-printed silver (Ag) reference electrode designed for electrochemical sensing, biosensor development, environmental monitoring, and laboratory research with excellent reproducibility and customizable electrode configurations.
-
Product
1 GHz A/D and D/A with Virtex-7 FPGA - 3U VPX
Model 52730
-
- Complete radar and software radio interface solution- Supports Xilinx Virtex-7 VXT FPGAs- GateXpress supports dynamic FPGA reconfiguration across PCIe- One 1 GHz 12-bit A/D- One 1 GHz 16-bit D/A- 4 GB of DDR3 SDRAM- Sample clock synchronization to an external system reference- Dual uSync clock/sync for multiboard synchronization- PCI Express (Gen. 1 and 2) interface up to x8- Optional LVDS connections to the Virtex-7 FPGA for custom I/O- 3U VPX form factor provides a compact, rugged platform- Compatible with several VITA standards including: VITA-46, VITA-48 and VITA-65 (OpenVPX System Specification)- Ruggedized and conduction-cooled versions available
-
Product
Air Actuators
-
Del-Tron's linear air actuators (also referred to as linear actuators) are pneumatically actuated crossed roller slide assemblies controlled by a pair of Airpot air cylinders which provide extremely low friction and stiction characteristics. A light touch or physical obstruction will stop the unit’s movement to prevent damage to delicate and expensive equipment and parts. Low pressure operation is possible. The PNRE series requires less than 10 psi to operate.
-
Product
PXI Vector Signal Transceiver
Vector Signal Transceiver
The PXI Vector Signal Transceiver (VST) combines the flexibility of a software defined radio architecture and RF instrument class performance. You can use the VST to test a variety of cellular and wireless standards, and you can easily expand the VST's three-slot, 3U PXI Express form factor to support multiple input, multiple output (MIMO) configurations. The VST software is built on LabVIEW FPGA, and features several starting points for your application including application IP, reference designs, examples, and LabVIEW sample projects.
-
Product
Vector And Scalar Mixer/Converter Measurements
S96083B
-
S96083A provides fully calibrated conversion gain/loss, relative phase, and absolute group delay measurements of mixers and converters without the need for reference or calibration mixers
-
Product
4/8-CH 12-Bit 1 MS/s Analog Output Multi-Function PXI modules
PXI-2500 Series
Analog Output Module
ADLINIK PXI-2501 and PXI-2502 are high-speed, high-performance analog output multifunction PXI modules. These devices are able to update up to 8-CH, 12-bit analog outputs imultaneously sustaining 1 MS/s. The reference sources and output polarities are programmable individually per channel. Combine this with the multiplying PXI architecture, ADLINK PXI-2500 series PXI modules can generate complex modulated analog signals. The hardware-based arbitrary waveform generation frees CPU intervention even when all analog outputs are updating at full speed, and the lengths of waveforms are only limited by the system memory. The PXI-2500 series integrate up to 8-CH, 400 kS/s, 14-bit single-ended analog inputs with programmable polarity, 24-CH programmable digital I/O lines, and 2-CH 16-bit general-purpose timer/counters.
-
Product
2-Channel DAC FMC Module
FMC230 – HPC
-
Sundance Multiprocessor Technology Ltd.
The FMC230 is a dual channel DAC FMC with a very wide band. The two 14-bit D/A channels operate at 5.7Gsps (2.85Gsps direct RF synthesis) and are clocked by either an internal clock source (optionally locked to an external reference) or an externally supplied sample clock. In addition, a trigger input for customized sampling control is available to users. The FMC230 daughter card is mechanically and electrically compliant to the FMC standard (ANSI/VITA 57.1).
-
Product
Spectroscopic Reflectometer
SR Series
-
Angstrom Sun Technologies, Inc.
Spectroscopic reflectometer (SR) tools are relative low cost and easy to use. To ensure accurate measurement on spectra, a long working distance and also adjustable working distance set up are professionally designed and considered. Since reflection spectra measurements require to use known reference to calibrate light intensity, it is hard to image that user could get accurate spectra without optimizing signal during such calibration because reference thickness is different from sample substrate's thickness in most of cases. Adjusting power output to lamp is our another consideration in ensuring a good measurement by reducing non-linearity effect of the detector.
-
Product
1-Pin BNC (Male Or Female) To 1-Pin SMB Female, 50 Ω Coaxial Cable
189425-0R6
Coaxial Cable
The SMB-BNC Coaxial Cable, sometimes referred to as SMB-100 or SMB-110, connects measurement and signal devices. This cable is available in different lengths and quantities.
-
Product
2-Channel 500 MHz A/D and 2-Channel 800 MHz D/A with Virtex-6 FPGA - 3U VPX
Model 52650
-
- Complete radar and software radio interface solution- Supports Xilinx Virtex-6 LXT and SXT FPGAs- Supports gigabit serial fabrics including PCI Express, Serial RapidIO and Xilinx Aurora- Two 500 MHz 12-bit A/Ds- One digital upconverter- Two 800 MHz 16-bit D/As- Up to 2 GB of DDR3 SDRAM or 32 MB of QDRII+ SRAM- Sample clock synchronization to an external system reference- LVPECL clock/sync bus for multiboard synchronization- Optional LVDS connections to the Virtex-6 FPGA for custom I/O- 3U VPX form factors provides a compact, rugged platform- Compatible with several VITA standards including: VITA-46, VITA-48 AND VITA-65 (OpenVPX™ System Specification)- Ruggedized and conduction-cooled versions available- Synchronize up to eight modules with Model 7893 System Synchronization and Distribution Amplifier - PCIe
-
Product
AC Reference Generators
SRB
-
Computer Conversions Corporation
The SRB Series are miniature, Bulk-head Mount, low cost AC reference generators to supply moderate power 2-115VAC excitation to Synchro's, Resolvers, LVDT's and related converters in COTS-Military and industrial applications for measurement, control, simulation and data communications.
-
Product
L-Band RF Tuner and 2-Channel 500 MHz A/D with Virtex-7 FPGA - 3U VPX
Model 52791
-
- Accepts RF Signals from 925 MHz to 2175 MHz- Programmable LNA handles L-Band input signal levels from -50 dBm to +10 dBm- Programmable analog downconverter provides IF or I+Q baseband signals at frequencies up to 123 MHz- Two 500 MHz 12-bit A/Ds digitize IF or I+Q signals synchronously; optional: 400 MHz 14-bit A/Ds- Two FPGA-based multiband digital downconverters- Xilinx Virtex-7 VX330T or VX690T FPGAs- 4 GB of DDR3 SDRAM- Sample clock synchronization to an external system reference- PCI Express (Gen. 1, 2 & 3) interface, up to x4- Clock/sync bus for multimodule synchronization- Optional user-configurable gigabit serial interface- Optional LVDS connections to the Virtex-7 FPGA for custom I/O- Supports GateXpress® FPGA-PCIe Configuration Manager- Synchronize up to eight modules with Model 7893 System Synchronization and Distribution Amplifier - PCIe
-
Product
Low Cost Microwave Wideband PIN Preamp Receivers
MR21 (40KHz~18GHz)
-
Hangzhou Huatai Optic Tech. Co., Ltd.
MR21 series microwave wideband optical receiver, adopts High linear PIN diode and Low noise pre-amplifier IC, within bandwidth of 40KHz~18GHz, they are featured with excellent linearity, high responsibility and superior flatness of the RF response in both, power and phase. They provide an outstanding linearity fiber optical communication for analogue wideband microwave application. Due to avoidance of using expensive coaxial cable or wave guide, there will be no limitation in transmission distance, which improves the signal quality and reliability of the microwave communication. They can be widely applied in microwave communication system such as remote wireless, timing and reference signal distribution, telemetry, measurement and delay line etc as well as 10Gb/s and 18Gb/s high speed communication system.
-
Product
Data Converters
-
Renesas' data converter portfolio features precision SAR and delta-sigma A/D converters, high-speed A/D converters with 8 to 16-bit resolutions and 40MSPS to 500MSPS sample rates, a wide selection of low-to-high resolution digital potentiometers (DCPs), and a wide range of precision voltage references in both FGA™ and Band-Gap technology. Other D/A converters are here.
-
Product
Portable Calibration Baths
6109A / 7109A
-
The Fluke Calibration 6109A and 7109A Portable Calibration Baths are liquid baths that let process industry professionals calibrate four times more sanitary sensors per batch in less time and with twice the accuracy of other portable baths in this class. Larger than micro baths, up to four tri-clamp sanitary sensors fit easily into these baths for calibration at ± 0.1 °C temperature display accuracy. Throughput is even higher for sanitary RTDs with small or no flanges. Two bath models cover a wide temperature range: 35 °C to 250 °C for the 6109A and -25 °C to 140 °C for the 7109A. Each model offers a “-P” version that includes process electronics for connecting an external reference probe. Professionals working in clean process industries, including facilities managers, production engineers and calibration technicians, prefer these baths for a variety of reasons.
-
Product
IP67 DC Blocking Splitter Combiner
PD5033
-
INSTOCK Wireless Components, Inc
PD5033 is an IP67 outdoor, weather resistant, DC blocking, three way, RF broadband, 50 ohm, power divider, power combiner furnished with N type coaxial connectors. The passive Wilkinson design passes RF and the 10 MHz reference signal through both ports while blocking DC current. This configuration is typically used in combining applications to prevent passing DC to the sum and adjacent ports. Max voltage rating at the DC blocked ports is 50 VDC. All wireless band applications in the frequency range from 698 to 2700 MHz are covered with best in class RF performance. The RoHS compliant PD5033 is a bidirectional device capable of 40 W max microwave input power levels in both power splitter and combiner apps. See 3 way power divider input rating tables for additional power handling info.
-
Product
14-bit 16 Concurrent Channel 65MSPS A/D board
AD14-65Mx16AVE
-
14-bit 16-concurrent channel 65MSPS A/D board for demanding large-system uses, where signals on multiple time-aligned channels need to be observed with high SNR, such as RADAR, nuclear instrumentation, ultrasound, medical imaging, spectroscopy, communications systems, RF component and antenna testing and other critical applications. An on-board low-jitter LMX2581-based RF synthesizer allows any A/D sampling rate between 20MSPS and 65MSPS to be specified in software. A second on-board LMX2581 with synchronized reference can be optionally used to output four stimulus clocks on SMA connectors that can be vectored to any combination of 4 external transmitters, microwave pulse generators, laser modulators, and other devices.
-
Product
Stimulus Induced Fault Testing
SIFT
-
SIFT allows for the analysis of numerous stimuli to identify speed, fault, and parametric differences in silicon. The heart of the SIFT technique revolves around intentionally disturbing devices with external stimuli and comparing the test criteria to reference parts or timing/voltage sensitivities. Synchronous interfacing is possible to any tester without any wiring or program changes. The system can be based on either a motorized probe station or portable microscope stand for test head applications.
-
Product
Single Phase Site Energy Meter Test Instrument Type KP-P1001-A
-
Bofa Instrument & Equipment Co., Ltd
Single phase site energy meter test instrument type KP-P1001-A (without voltage and current source) is an ideal instrument to test all kind single phase energy meters accuracy below 1.0, especially for meters on site. During tests, the tested meter must be on load condition (that means the tested meter must be working). The instrument tests the errors by comparing energy impulse from the tested meter with energy impulse from the reference meter inside the instrument.
-
Product
Attitude And Heading Reference Systems
AHRS
-
Beginning in 2001, Inertial Labs began manufacturing its MEMS-based, IP-67 sealed, MIL-STD-810G qualified, multiple interfaces and COM ports Attitude and Heading Reference System in response to the need for an inclusive and price competitive Antenna Pointing, Aiming, and Stabilizing applications. Each INS contains an Inertial Labs-developed tactical or industrial-grade inertial measurement unit (IMU) and an Inertial Labs-manufactured high-precision Fluxgate magnetometer.
-
Product
3U cPCI I/O & Comm Board
75C3
Multifunction I/O
NAI’s 75C3 is a 3U cPCI multifunction I/O and communication board with three independent function module slots. Two of the slots can be configured with a variety of I/O and communication functions; the third, with either a combination module featuring four multiplexed A/D channels and 28 Discrete I/O programmable channels, or with a reference supply. Using multiple DSPs, the enhanced motherboard enables higher processing power and dedicated pre-processing control for each module.
-
Product
Calibration
-
During the recent years we have made scientific investigations regarding calibration procedures, which have been published and integrated in the European and International standards. The calibration of antennas and field probes in Seibersdorf is done on the reference open area test site, in three different TEM-Cells and in the fully anechoic chamber. The open area test site is one of the best in Europe. Since 1996 we are the accredited calibration laboratory according to Akkreditierung Austria 0612 for antennas and field probes.
-
Product
Satellite Signal Monitoring, Reference Solution
-
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.
-
Product
100-Pin D-SUB Male to 100-Pin D-SUB Male, Shielded Multifunction Cable
185095-02
Multifunction Cable
The SH100M-100M Flex Cable, sometimes referred to as SH100-100-F, connects NI digital I/O devices to 100-pin accessories with D-SUB connectors. Additionally, the SH100M-100M Flex Cable is available in different lengths.
-
Product
Universal Counter
U6220A
-
The Picotest U6200A also provides great features including Frequency & Ratio (11Digits/Sec.), Time interval, Period (2.5 ns to 1000s), Duty Cycle, Pulse Width, Rise/Fall Time, Peak Volts (100 Hz~300 MHz), Phase, Totalize, Temperature Stability (< 1 PPM), Aging Rate (< 2 PPM per year), timebase reference channel (Figure-2) and complete Front-End Isolation. Moreover, it offers 20 memory locations (Figure-3) for storing frequently-used operations.
-
Product
Programmable Multifrequency Clock Synthesizer - 6U VPX
Model 5891
-
- Simultaneous synthesis of up to 10 different clocks- 16 SMC clock outputs- Typical phase noise: -105 dBc/Hz @ 1 kHz offset- All clocks are phase-locked to input reference signal- Input reference frequency of 5 to 100 MHz- Eight programmable VCXOs with 32-bit tuning resolution- Output clocks of 1, 2, 4, 8, or 16 submultiples of VCXO base frequencies- Output clock frequencies between 50 and 700 MHz- Control and status over the VPX backplane
-
Product
Optical Chopper
-
These high stability variable frequency optical choppers each include a set of chemically blackened photoetched chopping discs. The mini chopper is an excellent choice for applications requiring a compact package. The chopping discs come in a variety of slot apertures and allow operation. Beam diameter is limited to 0.75mm when using the 200-slot disc and 1.0mm when using the 40 slot mini disc. The easy-to-interchange blades are made of non-magnetic, half hard brass and can be used in combination. Chopping frequency is set by adjusting a ten-turn dial or by applying an external DC voltage to the BNC input. Reference output is a TTL pulse and is in-phase with chopping action. The 5 digit led display gives a direct read-out of the chopping frequency. Power: 90-130V or 180-260V; 50/60Hz; 12VA max. Power supply included. Choppers are often used together with lock-in amplifiers.
-
Product
Reference Cells For PIV-IV Systems
-
NREL calibrated cell used for calibration transfer.The Abet Technologies solar reference cell is a precision instrument for the determination of solar simulator irradiance levels. The sensor is a mono-crystalline silicon solar cell having an area of2x2cm(4cm).The back of the solar cell is attached to the device in such a way that a good heat transfer to the device housing is guaranteed. Below the solar cell a Pt100 RTD temperature sensor is mounted to allow monitoring of device temperature. The device is not shunted allowing the whole IV-curve to be measured. The solar cell is protected by a high quality fused silica window, assuring spectral sensitivity over a 320 -1100 nm range.
-
Product
PAM4 Optical Reference Transmitters
ModBox-PAM4 series
-
The ModBox-PAM4 serie is a 4-level Pulse Amplitude Modulation (PAM4) Optical Reference Transmitters that generate excellent quality PAM4 optical data streams up to 28 Gbaud, 56 GBaud. The ModBox-PAM4 integrates also: ER4 / LR4: CWDM or LAN-WDM 4 lasers sources, SR4: 850nm laser source, PON: 1310 nm and 1490 nm laser sources.
