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
Frequency Synthesizers 50 MHz to 21 GHz
Luxyn Model MLVS-0520
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Lyxyn synthesizers are ideal main local oscillators in Receiving Systems, Frequency Converters and Test & Measurement Equipment. MLVS-0520 is VCO-based and provides 0.001 Hz frequency resolution over the 50 MHz to 21 GHz frequency range. Output power level of +15 dBm is provided throughout the full frequency range. Full band switching speed is 50 μsec maximum. The MLVS-0520 is 4” x 3.6” x 0.94” high.
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High Power Frequency Converter
BL+ Series
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Behlman's BL-PLUS Series High Power AC Source/ Frequency Converter provide the performance of a linear with all the benefits of a switching amplifier. Instead of relying on large, noisy motor generators for AC power, today's testing facilities are switching to quiet, compact Behlman AC Power frequency converters.
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Product
Square Wave Frequency Generator
F125
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The F125 square wave frequency generator replaces our F150/155/105 frequency generators. It is a completely new design with many new features. The main one being that it can run standalone up to 1500 program files copied from a PC or Mac. It is also possible to connect the F125 to a computer via a USB port and control it with the F100 3.0 software for MS-Windows in the same way our F150/155/105 operate from a PC. Program files written for our current F150/155/105 are compatible with the new F125.
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High Frequency Modules
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Digital Signal Technology, Inc.
Modulators, frequency dividers, amplifiers, filters, etc.
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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
High Resolution Frequency Response Analysis (FRA) System
TR-AS FRA
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The Frequency Response Analysis (FRA) on power transformers is used for diagnosis at works, after putting into operation and for maintenance on site. The frequency dependent admittance is determined and recorded as fingerprint.
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Product
Next-Generation Reference Class Electrometer
DOSE-X
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DOSE-X is a portable reference class electrometer exceeding IEC 60731 standards. Discover your perfect solution for conducting reference measurements according to DIN 6800, AAPM TG51, and IAEA TRS398.
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Product
Ultra-Low Frequency Spring Activated Vibration Isolation Workstation
MK26 Series
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The New MK26 Series Vibration Control Workstation with more ergonomic comfort is designed specifically for ultra-low natural frequency applications. Kinetic Systems manufactures the system utilizing the Minus K patented negative stiffness vibration isolators in order to provide a compact, passive Vibration Isolation Workstation with ultra-low natural frequencies, higher internal structural frequencies, and excellent vertical and horizontal isolation efficiencies. The MK26 has also been upgraded to provide much better user comfort and additional leg space.
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Product
Small Step Frequency Synthesizer
ZFR Series
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ZFR series programmable frequency synthesizers combine multi-octave bandwidth, small step size, low phase noise, fast switching speed, and a compact package size to create a truly versatile synthesizer. The ZFR series can be tailored to the specific frequency range and control interface required, with programmable frequencies to 31 GHz.
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Product
Radio frequency (RF) equipment
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Monitoring instrumentation, emission and control of RF emissions for operators, laboratories, radio amateurs, technical schools, etc.
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Product
Frequency Converter
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Our frequency converters, which we offer with outputs of up to 500 kVA, can be used to supply alternating current consumers with constant voltages that deviate from the input network.
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Product
Frequency Shaped Isotropic Electric Probes
PI-SH-FCC, PI-SH-ICNIRP
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An isotropic electric field probe with shaped frequency response meeting the ICNIRP or FCC RF safety standards for occupational and general public exposure limits (see the specified frequency ranges below). Meter readings are shown in % of the STD – standard reference level, eliminating the need to know the source frequency. Probe output is proportional to RF power density in the whole specified power range, producing the correct RF power measurements in single and multi-signal environments, typically present at multiple antenna sites.
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Product
Audio Frequency Transmitter
TG 600
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Cable fault location with the BAUR TG 600. The TG 600 audio frequency transmitter was designed specifically for the precise location of cable faults and joints using the twist method. The display of the input and output current makes selection of the correct adjustment easier.* High-performance audio frequency transmitter up to 600 VA* Frequency of 2 or 10 kHz, quartz-stabilised (other frequencies on request)* Potential-free output* Impedance adjustment in 8 steps from 0.3 to 300 Ω
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Product
Hydrogen Frequency & Time Standard
CH1-1035
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Hydrogen frequency and time standard Ch1-1035 is designed for precision storage and reproduction of the size of frequency and time units as part of measures and reference complexes.
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Product
High Frequency Current Transformer
HFCT Ø 140mm
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Techimp Clamp High Frequency Current Transformer model 140 is an inductive sensor for partial discharge measurements. It is suitable for online /off line PD tests on : large diameter cables ; grounding rod bar ; etc. A TNC termination is available to connect the Clamp HFCT 140 to the TechImp PD analyzer : PDCheck , PDBase etc. The arrow indicates the requested input current (Iin) direction to get coherent output voltage (Vout) polarity respect to ground. When the sensor is installed with the arrow directed to ground, the detected voltage signal (Vout) has the same phase of the input current (Iin).
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Product
Frequency Multipliers
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Excellent suppression of undesired harmonics and spuriousLow multiplier lossRugged coaxial and surface mount packages
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Product
High Frequency Spring Probes
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We have spring probes for high frequency for 0.5 and 0.8mm pitch. We provide spring probe with low insertion loss by shorten the total length to 1.5mm (use length 1.1mm).
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Product
Frequency Up Converters
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Are integrated assemblies that convert low frequency RF signals to higher frequency RF signals.
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Economic Type Frequency Indicator
CS1-RL
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CS1-F economic type Frequency Indicator has been designed with high accuracy measurement, display and communication of Frequency.The innovation feature is auto-range input from 0.01Hz~ 100KHz (option ~140KHz) and the display resolution will auto-change to show the highest according to input frequency.They are also available 1 option of 1 Relay outputs, 1 Analogue output or 1 RS485 (Modbus RTU Mode) interface with versatile functions such as control, alarm, re-transmission or communication for a wide range of panels and testing applications.
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Product
Radio Frequency Cable Tester
RFCT
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Textron Systems’ Radio Frequency Cable Tester (RFCT) allows for on-site testing and maintenance for radio frequency (RF) transmission paths within a platform. Using preconfigured databases of sweep parameters and pass/fail criteria, the RFCT quickly determines the status of installed RF cables. The RFCT checks each cable’s performance characteristics to include voltage standing wave ratio (VSWR), insertion loss (IL), phase and phase matching. If a cable fails a test, the RFCT automatically determines the distance-to-fault (DTF). With its intuitive touchscreen-based user interface and lightweight, ruggedized packaging, the RFCT is the gold standard for operational-level RF cable testing.
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Product
Radio Frequency Scoring Tool
RFST
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The Radio Frequency (RF) Scoring Tool (RFST) takes the guess work out of RF environment simulation. During RF environment simulation, the RFST provides clear persistent scoring and recording of the RF simulator’s performance. The RFST digitizes all RF signals in the form of digital Pulse Descriptor Words (PDWs) and associated In-phase/Quadrature (I-Q) data. This massive data stream is recorded for later (Post-Scenario) Analysis. Additionally, the RFST provides a real-time visual display of the accuracy of the RF output, easily visible through straight forward real-time indicators. The post analysis tool set allows an unlimited number of users to simultaneously assess previous RF simulator performance with compelling visual representations. The RFST is a perfect complement to our A2PATS product line offering everything you need for comprehensive environment simulation and analysis.
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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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Frequency Counters
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Frequency counter models can be direct or reciprocal counters. Direct counting models count signal cycles for a specified period, called the gate time, and resolution is in Hertz. Reciprocal counters provide faster, higher resolution performance, with resolution listed is in digits/second. When shopping for a counter, remember to review resolution and accuracy as separate specifications. The resolution of a frequency counter is the smallest change it will detect between closely spaced frequencies.
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Product
PXI-6608, 5 V, 8-Channel, Precision Reference PXI Counter/Timer Module
777937-01
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5 V, 8-Channel, Precision Reference PXI Counter/Timer Module—The PXI-6608 is a high-precision counter/timer module that performs a wide variety of counter/timer tasks, including encoder position measurement, event counting, period measurement, pulse-width measurement, pulse generation, pulse-train generation, and frequency measurement. It features a 10 MHz oven-controlled crystal oscillator (OCXO), eight counter/timers, digital debouncing filters, and TTL/CMOS-compatible digital I/O. The PXI-6608 offers industrially rugged features for a wide array of applications such as automotive/aerospace, industrial/motion control, and manufacturing test.
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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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Frequency Extension Calibration Kits
FEK
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Farran’s FEK-xx-0001 calibration kit provides accurate calibration of the Vector Network Analyzer (VNA). It is compatible with TRL and SOLT calibration techniques and allows for a full 12-term port calibration.
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Static Frequency Converter Systems
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Our software and connectivity devices incorporate all the features you need to proactively manage your systems, from basic monitoring and shutdown to predictive analysis and power management. Aplab Integration Services offer complete solutions tailored for the specific requirements of Defense Services, Telecom and Commercial markets.
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Product
Sweep Frequency Response Analyzer
FRANEO 800
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FRANEO 800 was developed for testing the mechanical and electrical integrity of power transformers after transportation or exposure to high fault currents. It uses the sweep frequency response analysis (SFRA) principle and measures the electrical transfer function over a wide range of frequencies.





























