Time Reference
An absolute measure of time.
See Also: Time, Timers, Time Interval, GPS Time, Time Code, Time Domain, Time Standards, Timing, Frequency Synthesizers, Time & Frequency, Clocks
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GPS Time and Frequency Standards
Our range of GPS disciplined Rubidium Oscillator, OCXO and TCXO, low cost and stable, time and frequency references in a variety of rack mount and desktop sizes to suit all applications. For a technical discussion of GPS go here or select a link below for product information.
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Intelligent Time Reference
TM-4™and TM-4/OEM™
The Intelligent Reference/TM-4™ and TM4/OEM™ are multi- purpose, GPS disciplined timing signal generators and frequency references in economical off-the-shelf and custom configurations. Intended for use in a wide variety of timing, synchronization and frequency reference applications, they are based on the most advanced architecture Spectrum has ever offered, and include the most popular features of Spectrum's core platform for current timing products.
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Microwave Wideband PIN-TIA Receivers
MR22 (40KHz~18GHz)
Hangzhou Huatai Optic Tech. Co., Ltd.
MR22 series microwave wideband optical receiver, adopts High linear PIN diode and limiting amplifier, 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.
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Rubidium Oscillators
Our range of atomic / rubidium disciplined time and frequency standards in a variety of enclosures and sizes to suit all appliations. These acurate time and frequency references are used in telecoms, aviation, nautical and precision test and measurement enviroments.
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Microwave Wideband Direct Modulated DFB Transmitters
MT52 (40KHz~20GHz)
Hangzhou Huatai Optic Tech. Co., Ltd.
MT52 series microwave wideband direct modulated DFB transmitter, are able to transmit 20G microwave RF signal with long distance, wide bandwidth, and flat responsibility. They provide an outstanding linearity fiber optical communication for analogue and digital 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.
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Blackburst & Sync Generators
provides an economical means for generating the most common SD analog composite video reference timing signals required to operate various SD analog composite video switchers, effects generators, VTRs/VCRs, cameras, video edit controllers, and other professional video equipment.
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NTSC Test Signal Generators
Provides an economical means for generating the most common SD analog composite video reference timing signals required to operate various SD analog composite video switchers, effects generators, VTRs/VCRs, cameras, video edit controllers, and other professional video equipment.
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SparkFun GNSS Timing Breakout
ZED-F9T (Qwiic)
The SparkFun GNSS Timing Breakout offers a unique entry into SparkFun's geospatial catalog featuring the ZED-F9T GNSS receiver from u-blox. The ZED-F9T provides up to five nanosecond timing accuracy under clear skies with no external GNSS correction making it perfect for applications where timing accuracy is imperative. Need an extremely accurate time reference to maximize the efficiency of your IoT network of 5G devices? The ZED-F9T GNSS Timing Breakout could be the perfect solution.
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Digital to Analog Converter
20-bit digital-to-analog (D/A) converter offering 20-bit monotonic performance over the specified temperature range. It utilizes delta-sigma technology to achieve inherently linear performance in a small package at very low power. The resolution of the device can be programmed to 20 bits for Full-Scale, settling to 0.003% within 15ms typical, or 16 bits for Full-Scale, settling to 0.012% within 2ms max. The output range is two times the external reference voltage. On-chip calibration circuitry dramatically reduces low offset and gain errors.
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GPS Master Clock
Signals & Systems India Private Limited
GPS Master Clock System – MCS-GPSMC-1010 is a 3U Card rack type, 19” Rack-mountable Redundant GPS Time Server which synchronizes and maintains the timing and frequency requirement of power and process industry equipment using a signal obtained from any one of the sources like GPS or GLONASS or Time protocols such as NTP and IRIG. It distributing the same time signal through several types of interfaces. It provides redundancy for Power and GPS receiver to increase reliability and offers protection against time synchronization failure. The system is field-upgradeable and an extremely flexible system, designed to handle time synchronization requirements today and in the future. It provides nanosecond accuracy when external time references are not available. It has a storage facility to store the system log file. It delivers NTP, SNTP, IRIG-B, PFC-Pulse, DCF77, BCD parallel data, Ethernet Fiber Optic & RS485/RS232 outputs. System enables configuration and monitoring through Web-based application. It supports a wide range of power supply either 90V-260V AC/DC or 18-36VDC or 36V-72VDC. Power supply model can be mixed and matched as required by the user, depending upon power supply options available at the installation site.
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E-Band Signal Analysis Reference Solution
The E-band signal analysis reference solution provides an effective measurement solution for today’s wideband signals as well as emerging communications standards. With the M1971E waveguide harmonic mixer, which provides a 55 to 90 GHz input; Keysight oscilloscopes, which provide excellent signal integrity; and the powerful 89600 VSA software, you have a high-quality wideband measurement solution. A simple user interface also provides integrated mixer setup, correction and LO optimization, allowing for accurate measurements.
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PTP Toolbox
OSA 5410/11
The OSA 5410 Series is a family of compact and cost-effective synchronization distribution and assurance devices that bring the power of Syncjack™ to any network. Following a toolbox approach, the family members of the OSA 5410 Series can be utilized in a variety of network synchronization applications including IEEE 1588v2 Access Grandmaster, Boundary and Slave Clock, GNSS receiver and Primary Reference Time Clock (PRTC), synchronization signal conversion and sync probe applications.
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IRIG B to NTP/SNTP Converter
Signals & Systems India Private Limited
IRIG B TO NTP/SNTP CONVERTER – SPC-INS-1010 is a compact DIN rail mountable protocol converter unit which synchronizes and maintains the timing and frequency requirement of power and process industry equipment using IRIG-B signal obtained from GPS receiver. It provides nanosecond accuracy when external time references are not available. It has the storage facility to store the system log file. It delivers NTP, SNTP, PFC-Pulse, RS232 & RS485 outputs. The system enables configuration and monitoring through Web-based application. It supports a wide range of power supply input either 90V-260V AC/DC or 18-36VDC or 36V-72VDC.
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AC Reference Modules
NAI offers a variety of AC reference modules that provide a drive capability to 5 VA. The units are transformer-isolated and operate over a frequency range from 47 Hz to 10 kHz. These modules are specifically designed for rugged defense, commercial aerospace, and industrial applications.
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PXIe-6674T, OCXO PXI Synchronization Module
781037-01
PXIe, OCXO PXI Synchronization Module—The PXIe‑6674T generates and routes clocks and triggers between devices in a PXI Express chassis as well as to other PXI and PXI Express chassis or third-party instrumentation. The PXIe‑6674T unlocks the advanced low-voltage differential signaling (LVDS) trigger signals PXIe‑DStarA, PXIe‑DStarB, and PXIe‑DStarC, on PXI Express while fully supporting the PXI trigger lines. The PXIe‑6674T can generate two types of clock signals: a highly stable 10 MHz clock based on an onboard precision oven-controlled crystal oscillator (OCXO) reference and a second clock from the direct digital synthesis (DDS) clock generation circuit.
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Reference Magnet
Reference magnets generate a homogeneous magnetic field in an air gap. They are mainly used to calibrate hall probes for their full scale value of output for the magnetic field strength H or the magnetic flux density B they measure. For example Gaussmeters can be calibrated by using reference magnets.
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Reference Standard
Beijing GFUVE Electronics Co.,Ltd.
It has been designed for universal laboratory and test applications and is intended for checking and the calibration of reference standards for electrical power and energy.
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Time Server
Beijing GFUVE Electronics Co.,Ltd.
Provides accurate synchronization time signals to various power system automation devices by using the second synchronization signals and time information messages sent by BeiDou Navigation System, GLONASS (global navigation satellite system) and GPS (Global Positioning System) satellites.
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Reference Sources
A physical or digital document that you would refer to for more information about a topic.
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Time Repeater
VCH-402
Time repeater VCH-402 is designed for use in TCP/IP networks as a Time Server of the first level (NTP Stratum1).The time repeater is built on the basis of a single-board microcomputer running under the Linux operating system.
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Reference Transmitter
81492A
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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Rubidium Reference Oscillator
VCH-210
The rubidium reference generator VCH-210 is designed to generate a highly stable reference and clock signal.
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Primary Reference Generator
VCH-001
The Primary Reference Generator (PEG) VCH-001 is designed to generate the highest accuracy clock signals in a digital communication network. Main areas of application: – synchronization in telecommunication networks.
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Micropower Voltage Reference
ISL21010
The ISL21010 is a precision, low dropout micropower bandgap voltage reference in a space-saving SOT-23 package. It operates from a single 2.2V to 5.5V supply (minimum voltage is dependent on voltage option) and provides a ±0.2% accurate reference. The ISL21010 provides up to 25mA output current sourcing with low 150mV dropout voltage.
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Time And Hour Counters
Specification of the operating times of equipment, systems and facilities.
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Time Domain Reflectometer
IRG 2000
Cable fault location with the BAUR IRG 2000. The IRG 2000 impulse reflection measurement unit or time domain reflectometer is a handy, easy to carry device for single-phase cable fault pre-location. It is used in combination with a surge voltage generator on low-, medium- and high-voltage cables 0 - 65 km in length. It can also be used on live cables carrying voltage up to 400 V.* Easy and quick cable fault location* Light, compact and manageable* Main unit for the tried-and-tested pre-location method* Ideal for integration in measurement systems
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AC Reference Generators
SR23
Computer Conversions Corporation
The SR23 Series are miniature, low cost AC reference generators designed to supply 26 or 115 volt excitation (2-115VAC) to synchros or resolvers in military and industrial control applications. They accept +/-15V DC or +/-12V DC power inputs 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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Time Interval Meter
Highly experienced in this industry, we are a well recognized manufacturer and exporter of Time Interval Meter. Supplied to electrical, power and engineering industry for instrument transformer and switchgear testing, this instrument is available to clients in different technical specifications. We use certified quality raw materials and components, procured from trusted vendor in market. We offer this Time Interval Meter (1 & 3 Channel) to clients at competitive price.
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Time Measurement Equipment
TimeSpy
The TimeSpy precisely measures the time accuracy of a wide range of inputs (such as: NTP, IRIG B, 1PPS, and ASCII) against an internal precision GPS-controlled oscillator, displayed on the large, full color windows-based touch screen. The TimeSpy can precisely measure the time error at the point of use for systems where time is distributed over large distances. The TimeSpy can also measure free-running clocks and timing systems which are synchronized from untraceable sources, such as television and radio broadcasts, electrical power lines and the internet.
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Timing Controller
MS 2009
MS5128 Timing Controller has programmable logic generation, Input Output Signals Interface, Timings, macro-cells, Pins, internal timing delay and Signal Levels for airborne microprocessor boards.
