Phase Locked Loops
See Also: PLL
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Closed Loop Hall AC/DC Current Sensor
CYHCS-SH
ChenYang Technologies GmbH & Co. KG
This Hall Effect current sensor is based on closed loop compensating principle and can beused for measurement of DC and AC current, pulse currents etc. The output of thetransducer reflects the real wave of the current carrying conductor.
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Portable Three Phase Phantom Load Power Source
SY2103
Hong Kong Songyang Industrial Ltd.
The new SY2103 series portable three phase phantom load stable power source, designed from new digital wave compound technology and according to International Standard, is newly intelligent equipment for energy meters. The equipment includes voltage/current source & standard meter, operated easily through front panel to preset directly all data of meter under test and test process.
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Panel-mounted Power Amplifier(Hardware In The Loop Simulation)
PA30Bi
PA30Bi is the panel-mounted type real time simulation amplifier with three-phase current and four-phase voltage.
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Portable Test Bench For Single Phase Energy Meter
SY 2100
Hong Kong Songyang Industrial Ltd.
Anthropomorphize design, Large size LCD display, easy operation. High stability, good reliability. Reasonable internal structure. Compliance with IEC736.ISO9001 certificate. Automatic switchover of voltage or current output to protect equipment when voltage circuit short or current circuit open and alarm display on LCD
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901 Three Phase 40A
Weshine Electric Manufacturing Co., Ltd
1.Windows XP operation interface, high-performance embedded industrial control computer, easy and fast operation.2.It has software self-calibration function, which greatly improves the accuracy and stability.3.The power amplifier adopts high-fidelity linear power amplifier, which not only ensures the accuracy of small current, but also ensures the stability of large current.
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Active Dual Loop Antenna
KH30936
Beijing KeHuan Century EMC Technology Co,.LTD
KH30936 active dual loop antenna is used for adjusting, testing, measuring and other receivers. It has many advantages:1. The antenna coverage frequency is wide: 150KHz ~ 30MHz .2. The field strength value is measured according to the correction coefficient within the effective frequency range, which is convenient to use.3. The antenna power is supplied by the host, which is convenient for outdoor measurement.4. Compared with the single loop antenna, the advantage is to read the maximum value directly, which eliminates the tedious steps of rotating the antenna to find the maximum value and the interference of the human body to the signal.
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Digital Controlled Phase Shifters To 4 GHz
Pulsar's Digital Controlled Phase shifters utilize PIN diodes and delay lines to produce the necessary phase requirements. These digital phase shifters use switched lines to obtain temperature stable phase shift. The phase is specified at the center frequency ± 3.0% and is proportional to frequency over the entire band.
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Low Phase Noise Amplifiers
Pasternack's low phase noise amplifiers cover select frequency bands ranging from 1.5 to 18 GHz with residual phase noise levels as low as -180 dBc/Hz @ 10 KHz offset. Additional performance specs include small signal gain ranging from 9 to 14 dB, with typical noise figure of 5.5 dB. Psat levels for these amplifiers range from +16 to +25 dBm with Output IP3 levels as high as +34 dBm. All models feature single DC voltage supplies and input/output RF ports are internally matched for 50 ohms with DC blocking capacitors. These compact module assemblies require no external components and are available in rugged Kovar metal drop-in packages that are gold-over-nickel-plated and support field replaceable SMA connectors. All models are EAR99 and guaranteed to meet MIL-STD-883 test conditions for hermeticity and temperature cycle.
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mA Loop Calibrators
AMETEK Sensors, Test & Calibration
Our mA loop calibrator is an economical and easy-to-use calibration device for sourcing and measuring mA signals. Measure and source current to 24 mA and measure voltage to 45 VDC. Combine our 24VDCPS with one of our handheld pressure calibrators to calibrate transmitters in the field.
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Digital Phase Shifter
Analog Devices digital phase shifters change the phase of RF, microwave, or millimeter wave signals while providing no amplitude change. They are used in a variety of applications, including RF PA linearization/RF distortion, amplitude and phase modulation, variable attenuators, and fiber optics.
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Three Phase Voltage Disturbance Recorder
PQR 2020
The PQR 2020 is a Three Phase Voltage disturbance detector and recorder. This device is designed to be connected to a single phase 120V or 240V AC line or a Three Phase 208/240/480 Volt AC line and will monitor these lines for voltage disturbances.
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Active Loop Antenna
KH30935
Beijing KeHuan Century EMC Technology Co,.LTD
KH30935 active loop antenna is used for adjusting, testing, measuring and other receivers. It has many advantages:1. The antenna coverage frequency is wide: 150KHz ~ 30MHz .2. The field strength value is measured according to the correction coefficient within the effective frequency range, which is convenient to use.3. The antenna has a small outer diameter and light weight, which is convenient for outdoor measurement.
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Regenerative AC Emulator, 1200 VAC, 65 A, 90 KVA, 3‑Phase
SL1213A
The SL1200A series was designed to handle all your 3-phase AC test needs up to 1200 VAC, from 30 kVA to 630 kVA without the need for a transformer. Two voltage ranges are available: 600 VAC and 1200 VAC. The 600 VAC models are ideal for low voltage inverter test as well as EV and EVSE charging test applications. The 1200 VAC models allow for (HVRT) testing at the IEC LV-AC limit without the need for a large, complex test setup.
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Single Phase Reference Standard Meter
Signals & Systems India Private Limited
The Single Phase Portable Reference Standard (SPRS-1102) from SANDS is a portable meter test equipment that helps to calibrate the error present in the single-phase energy meter i.e. the meter under test (MUT). The SPRS supports both static and electro-mechanical types of meters. It can also be used to compute the voltage, current, energy, phase angle etc of the meter under test. It has an LCD display and an alphanumeric keypad to suit the user. It can be interfaced with the PC for analysis. It has the capability of storing 1000 test results.
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Low Phase Noise Frequency Synthesizer
Corech’s low phase noise frequency synthesizer series generates precise and stable frequency signals across a wide frequency range, available in SPI serial interface. These cost competitive, rugged and compact module are the ideal choice for RF & Microwave systems such as communication systems, test and measurement equipment, radar systems etc.
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AC/DC Single Phase Digital Power Meter 6 kHz
T3PM1006
AC/DC Single Phase Digital Power Meter 6 kHz.
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Single Loop Controller
1160+
The 1160+ controller is an evolved product from the West N6100. The product benefits from having more versatile features and user-friendly functionalities such as remote setpoint inputs, digital inputs, plug-in output modules, a customisable operator/HMI menu, jumperless and auto-hardware configuration, and 24VDC transmitter power supply.
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Single Phase Relay Testing
Megger’s single phase relay test sets are essential items in the relay engineer’s toolbox. Lightweight, rugged with high compliance voltage and test current. Ideal for testing distribution networks, industrial relays, distance relays in rail power networks and many other applications.
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One Phase Electric Power/Energy Calibrator
MC133
The MC133 master unit model is a one phase electric power/energy calibrator. It can supply the device under test with single phase precise voltage and current with calibrated phase shift along with DC voltage and current capability. Output voltage can be set in five ranges up to 280V and output current in six ranges up to 30A. Simulated electric power can be set independently for each phase. Frequency can be set from 15Hz to 1 kHz with resolution 0.001Hz to 0.01Hz. The MC133 Calibrator is equipped with 5 1/2 digital DC meter with DC ranges 20mA or 10V for direct calibration of various types of power transducers and wattmeters.
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Analog Phase Shifter
Analog Devices analog phase shifters change the phase of RF, microwave, and millimeter wave signals. Our technology features consistent insertion loss vs. phase shift, monotonic phase shift, low insertion loss, and a compact size that makes it ideal for multiple applications, including:• Fiber optics• Military• Test equipment
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Level Control Loop Trainer Model
ULP-24P & ULP-24C
Unitech Scales And Measurements Pvt. Ltd
Unitech’s Level Control Setup comprises of acrylic measuring tank fitted with Level transmitter, control valve, I to P converter, source tank with water pump and necessary flexible piping for water circulation. The system is mounted on a table top powder coated metal frame. Level transmitter is of capacitance or DPT type sensor. The electronic panel comprises of ADC and DAC card with RS-232 interfaces.
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Floating Power FET moduleAmp Loop
PFM1010
The PFM1010 Module is a precision instrument capable of measuring all common DC parameters in a power MosFet as well as many of the AC parameters. This module uses some very innovative techniques to make it possible to measure parameters like Rdson down into the sub-million-ohm range.
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Loop powered Moisture Analyzer
PLMa
Multifunctional Multi-Purpose Cost Effective, easy-to-use dew point sensor, dew point probe
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ource Phase Control
S97088B S
The S97088B allows users to set calibrated, arbitrary phase differences between two signal sources running on the P50xxA Streamline VNAs.
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3 Phase Voltage Extension To Turns Ratio Meter Rack
T-REX R
The Raytech three phase voltage system option T-Rex R is an optional system accessory for 3- Phase transformer ratio meter test sets designed by Raytech (i.e. TR-MARK III R). T-Rex R was designed to give Engineers and Test Technicians the ability to test the phase relationships and actual voltage ratios of transformer windings while applying three phase voltage.
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Phase Sequence and Motor Rotation Tester
TKF-13
The TKF-13 tester is a modern high-quality, simple and safe device. However it is recommended to et acquainted with the present manual in order to avoid measuring errors and prevent possible roblems related to operation of the meter.
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Low Phase Noise Amplifier
RF Lambda’s lower phase noise amplifier offerings include special power supply conditioning and utilize technology to reduce the phase noise addition from amplifying the signal. Hermetically sealed options are available upon request.
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mA Loop Calibrators
Loop Calibrators are indispensable tools for process calibration professionals and we have just one you need. Choose from three different models depending on your need for accuracy and intrinsic safety. Each one is feature-rich and simple to operate and read.
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Three Phase Transformer Ratio Meter
*Three phase lead switching network. *Excitation current meter Accessories: Range Extender 1:5
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CEP Stable Lasers And CEP Phase Stabilization
Carrier envelope phase stabilization (CEP) is an enabling technology for metrology and for the generation of few cycle pulses. As one of the pioneers in the field we have developed products that allow to stabilize the carrier envelope phase of light pulses of few cycle pulse oscillators and amplifiers.





























