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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Voltage References
Maxim offers an industry-leading portfolio of shunt and series voltage reference ICs. We were the first to develop a series reference in a 3-pin SC70 and in chip-scale packaging. Our hundreds of voltage references include high-accuracy, low-power, low-noise, and automotive-grade products.
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Series Voltage References
Analog Devices offers a broad line of series voltage references with low dropout, low power, and excellent line regulation. These devices are voltage references that are functionally similar to a three-terminal regulator. Some series voltage references are designed to also operate in shunt mode by biasing the output pin and leaving the input pin open circuit. Series mode voltage references have the advantage that they draw only load and quiescent current from the input supply.
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Micropower Voltage References
Analog Devices offers a broad line precision micropower voltage references with extremely low quiescent currents (series references) or minimum shunt currents (shunt voltage references). All of our precision voltage references offer excellent initial accuracy and low temperature drift over time and temperature. Our Reference Plus products combine precision voltage references with comparators or amplifiers.
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Voltage References
Renesas' wide selection of voltage reference (Vref) circuits offer accurate and stable reference voltages unaffected by external influences such as variation in temperature, input voltage and time.
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Precision Low Power FGA™ Voltage References
ISL60002
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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Voltage References
Analog Devices offers the widest selection of high performance voltage references in the industry. Our products range from high accuracy, low noise for high end industrial applications to general-purpose, low power for handheld, battery-powered applications. ADI is the ultimate source for design engineers looking for the perfect voltage reference that is cost effective, reliable, and dependable.
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Precision SOT-23 FGA™ Voltage References
X60003
The X60003 FGA™ voltage references is a very high precision analog voltage reference fabricated in Renesas' proprietary Floating Gate Analog technology, which achieves superior levels of performance when compared to conventional band gap, buried zener or XFET™ technologies.
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300nA NanoPower Voltage References
ISL21080
The ISL21080 analog voltage references feature low supply voltage operation at ultra-low 310nA typ, 1.5µA max operating current. Additionally, the ISL21080 family features guaranteed initial accuracy as low as ±0.2% and 50ppm/°C temperature coefficient.
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25µA Micropower Voltage References
ISL21070
The ISL21070 voltage references are analog voltage references featuring low supply voltage operation at ultra-low 25µA max operating current. Additionally, the ISL21070 family features guaranteed initial accuracy as low as ±0.2% and 30ppm/°C temperature coefficient. These references are ideal for general purpose applications for performance at lower cost.
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Reference Meter
ST1000
Shenzhen Star Instrument Co., Ltd.
The ST1000 three-phase reference meter incorporates high-precision A/D converter, DSP, wide-range measuring and embedding industrial PC technologies. It has a high accuracy of class 0.01. The voltage measuring range (phase voltage): 1V~480V, current measuring range: 1mA~120A.
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Reference DAC, Pre And Headphone Amplifier
CALLIA
Designed and manufactured in the United Kingdom, CALLIA embodies the Prism Sound uncompromising approach to audio resulting in the most accurate and detailed DAC available.
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Functional/Protocol Debug and Analysis Reference Solution
DDR4
Highest confidence in measurement accuracy! Industry’s fastest triggering and data capture for DDR4 analysis, test, and debug.
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Light Meters
Meter reads from 0 to 1,999 foot-candles (resolution 0.1 to 1). Bright 1/2-inch-high digits make it an easy to read pocket light meter. The simplicity of the two-button operation eliminates the need to refer to directions. Functions are on/off, and range. The meter can be zeroed with the simple turn of an adjustment screw
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Spectrum Analysis For E5081A Up To 20 GHz
S960904B
The Keysight S960904 spectrum analyzer (SA) software application adds high-performance spectrum analysis to the E5081A ENA-X up to 20 GHz. With fast-stepped FFT sweeps resulting from optimized data processing, the SA software application provides quick spurious searches over broad frequency ranges. The application enables simultaneous spectrum measurements using test and reference receivers. The multichannel SA pairs with the internal swept-signal generators for efficient measurements of spurious signals emanating from mixers and frequency converters. The SA application uses source-power and receiver-response calibration and fixture de-embedding, providing highly accurate in-fixture and on-wafer spectrum measurements.
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Cable Assembly, 200-Pin LFH, Male Bottom Exit (Male Screwlocks) to 4x50-Pin D-type, Female, 0.5m
A200LMB-04F050D5B050
This 200-pin male to 50-pin D-type female 0.5m long cable assembly is suited for direct connection to all Pickering Interfaces products using the 200-Pin LFH connector and is constructed from 4 bundles of 50-wire flat/round ribbon cable. The connector assembly can be secured to the product by screwlocks. This cable assembly can be used with Pickering 50-Pin D-Type connector blocks (refer to 90-005D).
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SHC68-68-EPM, 68-Pin Male VHDCI to 68-Pin Female D-SUB, 80 Twisted Pairs, Shielded Multifunction Cable, 1m
192061-01
The SH68M-68F-EPM Cable, sometimes referred to as SHC68-68-EPM, connects DAQ devices to accessories or cables with D-SUB connectors. You can use this cable to create custom cabling for your DAQ device. The SH68M-68F-EPM Cable is offered in different lengths. 80 twisted pairs, 1 connection used in shield. 81 total connections used.
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VME Time & Frequency Processor
VME635091-SyncClock
Brandywine Communications’ VME635091-SYNCCLOCK is a time and frequency processor module that provides precision time and frequency reference to the host computer and peripheral data acquisition systems. Time is acquired from time code signals, typically IRIG B. Time is displayed on the front panel (hours, minutes, seconds) via LED digits.
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16 Bit DDS Generator Up To 200 MHz
96xx series
The 96xx series DDS generators deliver the highest performance in both speed and resolution. The series includes produts between one and 24 synchronous channels. DDS – Direct Digital Synthesis – is a method for generating sine waves from a single, fixed-frequency reference clock and is widely used in signal generation applications. The DDS functionality implemented on Spectrum Instrumentation’s AWG platform is based on the principle of adding multiple “DDS cores” to generate a mul?ti-carrier (multi-tone) signal, with each carrier having its own well-defined frequency, amplitude and phase. In addition to these static parameters, there are also build in dynamic parameters like frequency slope and amplitude slope to allow for intrinsic linear changes for multiple cores.
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Phase Locked Oscillators
Phase-Locked Oscillator with an external Reference Oscillator. Desirable Output Frequencies: 50 MHz, 100 MHz, 500 MHz, 1000 MHz, 2000 MHz, 4000 MHz, 6000 MHz. Exceptional Phase Noise Performance @ 10 KHz offset: -105 dBc/Hz Typical.
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2-Channel ADC Module
FMC161
Sundance Multiprocessor Technology Ltd.
The FMC161 provides one 12-bit A/D channel at 3.6Gsps or two A/D channels at 1.8Gsps 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 FMC161 daughter card is mechanically and electrically compliant to the FMC standard (ANSI/VITA 57.1).
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Weather Radar Receiver
This is an example of a custom four-channel C-Band Receiver uses a single conversion technique to translate incoming 5.56 GHz radar signals to a 60 MHz IF. The Receiver is divided into two polarization sections, each with a dedicated channel for the received signal and a second channel for a reference signal originatingfrom the transmitter. There are two identical circuits in the Receiver, one reserved for vertically polarized signals, and the second for horizontal signals.
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PMC-Parallel-485
The PMC compatible PMC-Parallel-485 design adds 32 [RS-485 /RS-422] differential IO lines to one slot of your carrier board. 2 additional differential pairs are available for a clock & clock enable. The signals can be used to capture data with an external reference or programmed to be references for the rest of the system.
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2-CH 14-Bit 200 MS/s High-Speed PXI Express Digitizer
PXIe-9852
The ADLINK PXIe-9852 is a 2-CH 14-bit 200 MS/s digitizer for high frequency and wide dynamic range signals with an input frequency up to 90 MHz. The 90 MHz bandwidth analog input with 50Ω impedance is designed to receive ±0.2 V, ±2 V, or ±10 V high speed signals. With a PCI Express bus interface and ample onboard acquisition memory up to 1 GB, the PXIe-9852 easily manages simultaneous 2-CH data streaming. With high speed and high linearity 14-bit A/D converters and high stable onboard reference, the PXIe-9852 provides both high accuracy and high dynamic performance, making it ideal for applications requiring high-speed data acquisition, such as optical fiber and LIDAR testing, and video signal analysis.
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Coating thickness XRF Standards
We manufacture high accuracy reference standards capable of calibrating virtually any X-Ray Fluorescence (XRF) coating thickness and composition analysis system.
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Embedded LO Capability
S96084B
Enables accurate measurement of relative phase and absolute group delay of a frequency converter with a built-in LO source, without having to access a common reference signal
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3-Ch 200 MHz A/D with DDC & 2-Ch 800 MHz D/A with DUC, Virtex-6 FPGA - XMC
Model 71621
- Complete radar and software radio interface solution- Supports Xilinx Virtex-6 LXT and SXT FPGAs- Three 200 MHz 16-bit A/Ds- Three multiband DDCs- Two 800 MHz 16-bit D/As- One digital upconverter- Multiboard programmable beamformer- Up to 2 GB of DDR3 SDRAM or 32 MB of QDRII+ SRAM- Sample clock synchronization to an external system reference- Front panel clock/sync bus for multimodule synchronization- PCI Express (Gen. 1 & 2) interface up to x8 wide- Optional LVDS connections to the Virtex-6 FPGA for custom I/O- RoHS Compliant Lead-Free Version Available- Synchronize up to eight modules with Model 7893 System Synchronization and Distribution Amplifier - PCIe
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L-Band RF Tuner and 2-Channel 500 MHz A/D with Virtex-7 FPGA - XMC
Model 71791
- 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 x8- Clock/sync bus for multimodule synchronization- VITA 42.0 XMC compatible with switched fabric interfaces- Optional user-configurable gigabit serial interface- Optional LVDS connections to the Virtex-7 FPGA for custom I/O
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Reference Temperature Sensors
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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Handheld RF Spectrum Analyzer With 1MHz To 1.3 Or 2.7GHz Bandwidth Options
PSA Series 3
1MHz to 1300MHz or 2700MHz frequency rangeResolution bandwidths of 300Hz to 10MHz 1:3:10-105dBm typical noise floor at -40dBm reference levelMeasurement in dBm or dBμV, mV or μWZero span mode with AM and FM audio demodulationTrace modes of normal, peak hold and trace averageLive, View (copy) and Reference traces in contrasting coloursTwin markers with readout of absolute & difference valuesSmart marker movement with selectable peak trackingFrequency counter with 10Hz ResolutionFrequency presets and independent state storageAuto-find automatically sets sweep parameters for the highest signal foundUnlimited storage for waveforms, set-ups and screensUser assignable file names, file stamping from real-time clockUSB interfaces for Flash drives and PC connectionComprehensive status and context sensitive help screensMore than 3 hours continuous operation from a chargeSmaller and lighter than other spectrum analyzers (weight only 0.58 kg)
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ACCUplace Dot Patterns
AP-D Series
All machine vision lenses will show some type of distortion. Minimizing or correcting that distortion is crucial in most applications. The ACCUplace Dot Patterns target is designed to check, verify, or quantify barrel distortion in vision systems, alignment between multiple optical systems, and can calibrate instruments with both vision and motion systems. The indexed columns and rows of dot features provide reference points that make alignment and distortion detection simple and straightforward. The AP-D is offered on four standard materials; Glass (CG) Opal (OP) Photopaper (RM) and Film (TM).
