Frequency Standards
Devices that produce a known frequency.
See Also: Hydrogen Frequency Standards, Rubidium Standards, GPS Clocks
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Product
Benchtop Rubidium Frequency Standard
FS725
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Stanford Research Systems, Inc.
The FS725 integrates a rubidium oscillator (SRS model PRS10), a low-noise AC power supply, and distribution amplifiers in a compact, half-width 2U chassis.
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Product
Electrical Standards
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To verify the performance of an electrical calibrator or dc calibrator, you need an electrical standard. Fluke Calibration standards are found in primary calibration laboratories across the world. A wide range of electrical standards and frequency standards are designed to meet the needs of today’s laboratories for traceability and quality accreditation while also being portable, simple to use, and easy to support. Electrical standards include: Voltage standards; ac/dc transfer standards; ac measurement standards; resistance standards; ratio standards; current shunts.
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Product
Frequency Reference
E8-X
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The Quartzlock E8-X is a breakthrough in exceptionally low cost, miniature, traceable, calibration-free, off-air frequency & time standards. These references maintain the high frequency & time accuracy required for demanding applications.
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Product
Hydrogen Frequency & Time Standard
CH1-1006
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The hydrogen frequency and time standard Ch1-1006 is designed to generate highly stable, high-frequency, spectrally pure sinusoidal 5, 10, 100 MHz and pulsed 1 Hz signals and for the behavior of time-frequency measurements.
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Product
Frequency Calibrator
VCH-313
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The frequency calibrator VCH-313 is designed to determine the frequency error and calibrate frequency standards of various types based on the signals of the NSC SNS GLONASS/GPS .
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Product
4210A Rubidium Frequency Standard
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Precise Time and Frequency, Inc.
The ptf 4210A Rubidium Frequency Standard is a unique solution for providing a highly stable, low phase noise, frequency reference for applications requiring atomic reference stability performance.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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Product
Scalar Feed Horn Antennas
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Scalar feed horns are offered as both standard and custom build models with either a circular or rectangular waveguide interface. While scalar feed horns with a rectangular waveguide interface can only support linear polarization, models with a circular waveguide interface can support various polarization types including horizontal, vertical, left-handed circular, and right-handed circular polarization for broader applications. The standard models operate across the full waveguide band and offer 17 dBi nominal gain, 25 degrees half power beamwidth and a -28 dB side lobe level at center frequency. The below standard offering covers the frequency range of 8.5 to 140 GHz. However, other frequencies or gain values are also available.
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Product
MEGA-POLE® Series
MEGA-POLE™
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The MEGA-POLE filter series covers the standard frequency bands within the 30 to 450 MHz range. This new filter series provides excellent selectivity while maintaining very low insertion loss. The product line also has exceptional RF power handling capability with a high third order intercept point. The MEGA-POLE filter series can be used for transmitter applications to reduce power amplifier noise, harmonics and intermodulation products, to provide bi-directional filtering directly at a transceiver’s antenna port, or other applications requiring extremely linear, high power RF bandpass filtering. It has been designed for rugged military environments per MIL-STD-810.
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Product
3207a GPS/GNS Frequency and Time Reference
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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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Product
AC Power Source
AFC series
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The AFC Series is an economically priced AC power source to provide reliable voltage and frequency simulation for general applications, such as testing for home appliance, electronic, medical equipment, lighting and other fields of production or R&D. Utilized PWM switching technology, AFC provides high quality pure sine waveform with output level up to 2,000kVA. The AC source is coupled with output voltage range of 5~300V and output frequency of 47~63Hz, 50/60Hz fixed. User can select optional frequency output of 2 or 4 times standard frequency and 400Hz.
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Product
Rubidium Frequency Standard
RFS VXI
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*RFS VXI is designed to work as part of information measuring systems based on the VXI bus as a rubidium frequency standard.*RFS VXI is intended for use as a highly stable laboratory signal source for checking generator devices, time-frequency measuring equipment and other equipment, synchronizing navigation systems.*The RFS VXI contains two independent rubidium reference oscillators: main and standby.*RFS VXI is a VXI standard, register based device and measures C-1.*RFS VXI implements the "Self-control" mode, which checks the output frequencies of the rubidium standard.
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Product
Multi-Channel Phase Comparator
VCH-315M
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Multi-channel phase comparator VCH-315M, together with a computer and special software, is designed for simultaneous measurement of frequency instability characteristics (RMS, RMS) of a group of sinusoidal signals of standard frequencies 5; ten; 100 MHz.
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Product
Low G Sensitive Oscillators
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Precision Test Systems is increasingly becoming a world leader in ultra-low phase noise (ULN) crystal and rubidium oscillators. We manufacture the CFS10B crystal frequency standard and the RFS10E and RFS10F rubidium frequency standards. All these models can also be locked to the global satellite service operated by the USA (GPS), Russian (GLOSNASS) and Europe (Galileo). We also have a complete range of distribution amplifiers to compliment these frequency standards.
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Product
Frequency Standard Products
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The ES-110 generates a stable source of 10 MHz using GPS (Global Positioning System) satellites as a reference. If frequency distribution is needed, we offer the ES-210, a Quad 1x6 1/5/10 MHz Distribution Amplifier. The ES-210 provides four independent 1x6 Frequency DAs in a single rack-mount enclosure. The ES-410 is a four output version of the ES-110. The ES-410 was introduced and won Radio Magazine's Best of Show Award at the 2016 NAB Show.
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Product
Rubidium Instruments
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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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Product
Frequency Converter
A6000-E1
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The Quartzlock A6000-E1 is a 1U rack mount, frequency converter for use with frequency standards such as rubidium, cesium, or hydrogen maser standards. Sine wave outputs are provided at frequencies of 2,048 kHz
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Product
Conical Horn Antennas
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Conical gain horns are offered as both standard and custom models with either a circular or rectangular waveguide interface. While conical gain horns with a rectangular waveguide interface can only support linear polarization, models with a circular waveguide interface can support various polarization types including horizontal, vertical, left-handed circular, and right-handed circular polarization for broader applications. The listed models operate across the full waveguide band and offer 23 dB nominal gain, 12 degrees typical half power beamwidth, a 24 dB typical side lobe level and 1.15:1 VSWR at center frequency. The below standard offering covers the frequency range of 8.5 to 140 GHz. However, other frequencies and standard models with 10, 15, 20 and 25 dB gain are also available.
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Product
Calibration Executive Software
CalEasy Series
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CalEasy is a full-featured, Calibration Executive software package that supports the verification and calibration of Marvin Test Solutions instruments. The software is intended for use by users that prefer to perform in-house calibration and verification for their Marvin Test Solutions instruments. By calibrating or verifying the instrument in-house, the time and cost associated with returning an instrument to Marvin Test Solutions for calibration service can be eliminated or reduced. CalEasy is also used internally by Marvin Test Solutions production to perform initial calibration and to recalibrate the instrument when received for service. This ensures that user and factory based calibration performance is similar. Depending on the specific instrument, standards instrumentation supported for calibration / verification includes a DMM, and a frequency standards module. Some modules require the use of matrix switch card.
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Product
Frequency Reference
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Quartzlock time and frequency standards offer a complete range of cost effective and low noise in both atomic controlled (rubidium oscillator) and GPS controlled (off-air) time and frequency reference, calibrators and standards. These acurate time and frequency references are used in telecoms, aviation, nautical and precision test and measurement enviroments.
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Product
Fiber Optic Modem
VCH-608
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The VCH-608 fiber optic modem is designed to receive and transmit via a fiber optic communication line (FOCL) signals of frequency and time standards (TSV) :- pulse signals 1 Hz (1 PPS) with delay compensation,- harmonic electrical signals with a nominal value frequency 100 MHz with phase instability compensation.
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Product
Atlas ESR PLUS - Equivalent Series Resistance Meter
ESR70
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The Atlas ESR provides instant measurement of a capacitor's ESR and it's capacitance value. Using the supplied gold plated probes (removable), the Atlas ESR can measure ESR down to a resolution of 0.01 ohms, up to 40 ohms. It can even measure ESR for capacitors that are in-circuit. Measurements are made at the industry standard frequency of 100kHz. Probes are now removable, allowing 2mm compatible probes to be fitted. Audible alerts are produced for various ESR levels allowing you to perform many tests in succession without having to look at the display.
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Product
Digital-Phase-Lock-Loop
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The Quartzlock A6-CPS is a board level product designed for synchronising two stable oscillators. A typical example is the locking of a low phase noise OCXO to a rubidium frequency standard. The product uses a digital implementation of a standard phase lock loop.
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Product
Probe Antennas
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Probe antennas are offered as both standard and custom models with a rectangular waveguide interface. Probe antennas can only support linear polarization. These antennas are often used to measure the gain of other antennas by comparing the signal levels of the probe antenna and antenna under testing. The standard models operate across the full waveguide band and offer 6.5 dB nominal gain and 115 and 60 degrees half power beamwidth at center frequency. The below standard offering covers the frequency range of 8.2 to 170 GHz.
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Product
Ultra Low Noise, Rubidium Frequency Standard.
A10-M
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Frequency Referencing, Calibration, Standards Lab, Production Test for Oscillator Manufacturers. A very high stability LOW NOISE 10MHz Rubidium Reference, primarily for production test of quartz oscillators and RF instrumentation frequency referencing. This industry standard 2U rack-mount instrument has a long heritage and ongoing production life for this latest 2009 version that features RS232 monitoring and control of the DPLL, locking the Ultra Low Noise OCXO to the Rubidium. Damping and Bandwidth is controlled by integrator digital gain, proportional digital gain, pre-filter order and subsample rate. Eight values of user selected bandwidth are available.
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Product
GPS Frequency Standards
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Precision Test Systems manufacturers' a full range of GPS and GNSS frequency standards that are disciplined to most of the worlds satellite systems.
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Product
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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Product
Components - Passive Multipliers (FT)
FT Series
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Farran Technology manufactures a series of standard frequency multipliers which are available in fixed or tunable versions. GaAs Schottky barrier varactors are used to achieve the highest efficiency. The multipliers can be used with solid state or vacuum tube sources. A rugged compact mechanical design is used to maximise reliability.
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Product
6GHz Dual Frequency Synthesizer moduleValon
5009
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The Valon 5009 Dual Frequency Synthesizer module is our latest offering in high frequency synthesizer sources. These frequency synthesizers are perfect in applications that require a spectrally pure and highly stable signal source or timing clock. Our synthesizers have replaced laboratory generators costing many times more in a number of applications. Each module actually contains two independent sources locked to the same internal or external frequency reference or standard. Having two phase coherent sources in the same convenient package opens up a wide variety of test applications and solutions
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Product
Cellular Antennas
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Our portfolio of cellular antennas includes solutions for emerging technologies such as 5G, as well as coverage of older networks such as 2G, 3G, 4G, and CBRS. A wide range of internal/embedded antennas and externally mounted antennas are available to suit a wide range of customer requirements. Our cellular antennas are available for regions, frequencies, and standards, with products ranging from 617 - 7125 MHz. Choose from a variety of antenna types, product length, width, and height, and wireless application. Custom antenna developments are regularly undertaken to meet specific customer requirements. Our cellular antenna portfolio includes products manufactured by TE Connectivity, Laird Connectivity External Antennas, and Hirschmann Car Communications.
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Product
High Frequency Standard Capacitor
GenRad 1403 Series
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The GenRad 1403 Standard Air Capacitors are stable, three-terminal standards in decimal values from 0.001 pF to 1000 pF. For measurement at 100 pF and below, a three terminal connection increases the accuracy by eliminating the uncertainty in the measurement introduced by the capacitances between the capacitor terminals and ground.
