Frequency References
See Also: References, Reference Standards, Reference Antennas, Reference Decoders, Reference Jumpers, Reference Sources, Reference Transformers, Reference Transmitters, Acoustical References, Solar Reference Cells
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Product
Audio Frequency Transmitter
TG 20/50
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Cable fault location with the BAUR TG 20/50. The TG 20/50 is a portable, battery-operated audio generator with a built-in charging unit. Together with the UL audio frequency receiver and the SP detecting rod, the TG 20/50 is used for cable tracing, twist method and for determining the depth of cables and metal pipes.* Automatic or manual impedance adjustment* Charging unit and rechargeable battery integrated; battery or mains operation* Continuous or cyclical output* Two output frequencies selectable
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Product
Cold-Atom Frequency Standard
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Rack-mount microwave atomic clock using laser-cooled 87Rb atoms. Production unit target specifications: Allan deviation 2×10-12 @ 1 s, 2×10-14 @ 104 s; flicker floor 1×10-14; absolute accuracy < 1×10-13.
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Product
Reference Antennas
Type NRD
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Reference antennas are precision dipole antennas that offer a fixed 2.15 dB of gain over an isotropic antenna along the major lobe axis at specified frequencies (2.15 dBi). They are intended to be used for antenna field pattern and gain measurements, or general RF sensing in the laboratory.
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AC Reference Generators
SR21
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Computer Conversions Corporation
The SR Series are miniature, low cost AC reference generators designed to supply 26 or 115 volt excitation to synchros or resolvers in military and industrial control applications. They accept +/-15V DC 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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Product
Reference Thermapen®
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Until now you would have spent hundreds more to get this level of accuracy in a NIST-Traceable standards thermometer. Our Reference Thermapen takes lab accuracy into the field. Each unit is factory calibrated at 5 test points and includes a UKAS accredited calibration certificate with test data. A true "system calibration" is performed matching its Platinum RTD sensor and the built-in electronics so all errors are included in the spec.
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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
Reference Grade Compact Audio Interface
Lyra 1
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Lyra represents the pinnacle of compact audio interfaces. Packing Prism Sounds trusted, uncompromising AD/DA conversion into a compact chassis perfect for use in the studio or on the road.
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Product
Reference Temperature Calibrator
JOFRA™ RTC-187
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AMETEK Sensors, Test & Calibration
RTC-187 provides high-quality temperature measurement from -45 to 180°C. The 180°C is a 25° expansion over the range of the RTC-157, and it’s now the hottest temperature available for a calibrator that also supplies cold temperatures.
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Product
Reference Cells
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Reference cell is used for measuring and setting the intensity of solar simulators for one sun (or other user desired) intensity condition. They are also used to calibrate the IV Measurement system photo-detector intensity to match the measured ISC to calibrated ISC.
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Product
Frequency Counters
Frequency Counter
Frequency Counters measure frequency, period, time interval, pulse width, duty cycle, frequency ratio, phase, and more. Frequency counter products include options that are compatible with Astronics/Racal VXI-2461C, which can be used for automated test aerospace and defense applications.
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Product
Frequency Large Display Indicator
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Signals & Systems India Private Limited
Large Display indicator measures and displays frequency from the input like supply voltage, 4-20mA and data received from other equipment. It meets high accuracy of 0.1% to measure Frequency. The large display is for clear visibility of the frequency reading from long distance. It is equipped with high bright red color 7segment displays. These are commonly used in Power plants, Substations, Manufacturing units and Field environments to provide direct frequency measurements of various devices.
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Product
Frequency Counter with Rubidium Timebase
SR625
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Stanford Research Systems, Inc.
The SR625 Frequency Counter is a NIST traceable frequency counting standard for calibarating base stations, transmitters and many other types of communication systems.
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Product
Reference Transmitter
81492A
Transmitter
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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Product
Protable Frequency Meter
ST-2000 Hz
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Standard Electric Works Co., Ltd
● Principle : Frequency sensing transducer● Accuracy : ±0.5% of full scale value on 45 to 65 Hz range ±0.5% of full scale value on 0 to 100Hz range ±0.5% of full scale value on 0 to 500Hz range● Scale Length : Approx. 135mm (5-3/8”)● Case Material : Bakelite with glass window
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Product
Frequency Response Analyzers
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The PSM range of instrumentation provide not just conventional frequency response measurements but can also be combined with an Impedance Analysis Interface to form a high accuracy impedance analyser, in the case of the PSM3750 this solution is able to provide impedance analysis up to 50MHz
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Frequency Multipliers (WR and D Series)
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VDI offers a broad range of millimeter-wave varistor mode, passive frequency multipliers based on planar GaAs Schottky diode technology. Frequency doublers and triplers are used to extend the frequency coverage of microwave and millimeter-wave sources.
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Product
Acoustical Generator (STIPA Reference)
TalkBox
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The TalkBox is an acoustic signal generator for speech intelligibility measurements in evacuation and announcement systems, as well as for level alignment of teleconference or other audio systems. It allows you to perform a complete end-to-end evaluation of the speech intelligibility STI from the talker’s microphone to the listener’s ears.
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Frequency Counter (225MHz - 18GHz)
S43180
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S43180 series high-precision frequency counter is a high-precision frequency measurement instrument. It has a frequency measurement resolution of 10 bits per second. The whole machine scheme adopts countdown technology and digital interpolation technology to realize the high-precision measurement of the instrument. It has measurement functions such as frequency, period, frequency ratio and powerful mathematical statistics operations (maximum value, minimum value, average value, PPM, standard deviation, Allan variance).S43180 series has reliable performance, complete functions, high measurement accuracy, wide frequency measurement range, high sensitivity, large dynamic range, high cost performance and easy to use. It is especially suitable for frequency measurement in scientific research and measurement fields such as aerospace, crystal oscillators, and components.
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Product
Attitude Heading Reference System
M&M Modules
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PNI’s M&M modules will self adapt and learn its system and its environment automatically to provide accurate quaternions, heading, pitch and roll. All while using 100 times less power than traditional AHRS modules.
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Product
Frequency to Current Converter
DAT4540R
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The Frequency to Current converter DAT4540R is a signal conditioning din rail mount converter which converts a pulse input to an analog output equal to the set range which is selectable from 0.1 Hz up to 20 KHz. The DAT4540R also provides 2 relay outputs and a transistor output. The input can be from a Tacho, TTL, PNP transistor or from any Namur standard. The DAT4540R provides a Voltage or Current output that is isolated from the power supply and input.
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Product
SR Series AC Reference Supplies
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Computer Conversions Corporation
The SR Series are miniature, low cost AC reference generators designed to supply 26 or 115 Volt excitation to Synchros or resolvers in military and industrial control applications. They accept +/- 15V DC and provide up to 5VA of transformer isolated output power. These converters are packaged in PC card mounting modules 2.6" x 3.1" x 1"H.
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Product
RF Frequency Multipliers
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Frequency multipliers are devices that produce an output signal where the frequency is a multiple of the input signal. The multiple can be 2x (i.e. a Frequency doubler), 3x, 4x and so on.Precision MMW will help you with the highest quality rf frequency multiplier products needs. We are a millimeter wave spectrum manufacturer of various active and passive mmWave products and sub-system engineering.View more RF Frequency Multiplier
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Product
Reference Magnets And Zero Chambers
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Reference Magnets with different magnetic field strenghts and dimensions. Available field strenghts ranging from 10mT to 1,4T. We deliver the Reference Magnets with a Factory Certificate. Zero Chambers are required to set zero of gaussmeters. We deliver two different types of Zero Chambers.
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Product
Precision Low Power FGA™ Voltage References
ISL60002
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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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Product
Satellite Signal Monitoring, Reference Solution
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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.
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Product
LTE/LTE-Advanced Multi-Channel, Reference Solution
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Gain greater insight faster with a compact, multi-channel LTE-A PXI signal generator and signal analyzer reference solution.This Reference Solution uses world-class Signal Studio software to create complex LTE-A waveforms and the 89600 VSA/WLA software to connect to multiple analyzers. The VSA software allows engineers to quickly view multiple antenna elements simultaneously and analyze the RF performance and modulation domains for timing and signal quality issues in complex carrier aggregation and MIMO/beamforming designs.
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Product
Reference Clock T Connector
780540-01
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The SMA-SMA-SMA T Connector, sometimes referred to as the Reference Clock T Connector, connects RF wireless test devices and PXI modular instruments to other accessories. It is a 50 ohm … impedance connector that measures 0 GHz to 10 GHz.
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Product
High Frequency Synthesizer
HFS Series 1.25” x 1” x 0.25”
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*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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Product
C Series Frequency Input Module
Input/Output Module
The C Series Frequency Input Module is designed to acquire isolated frequency inputs from magnetic pickup sensors, variable reluctance sensors, Hall effect sensors, and other transducers with a frequency output. Additionally, the C Series Frequency Input Module provides isolation, configurable thresholds, selectable filtering, and embedded counter measurement logic. These measurements can be synchronized with other frequency, analog, digital, and counter measurements in a single acquisition.
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Product
Frequency Doublers To 12 GHz
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Pulsar Microwave Frequency Doublers utilize Schottky diodes in a bridge configuration to accomplish the frequency doubling. The input frequency operates from 0.2 to 6000 MHz. Frequency Quadruplers are also available using using this topology. Designs are matched to 50 Ohms and are available in a wide variety of package styles, such as plug-in, flatpack, and connectorized housings. Miniature surface mount packages are the most popular style, and are readily available on tape and reel for use in automated assembly applications.





























