Variable Attenuators
Provide changeable resistance values.
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Attenuators & Loads
*High power handling 100W with a wide range of available attenuation values*Very low PIM <- 160 dBc with excellent return loss performance*Support for 7-16 or 4.3-10 connectors and optional 19 inch rack mount kit*Designed and produced to ISO 9001:2008 certification standards for reliability and quality
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Digital Step Attenuators
Analog Devices provides a range of broadband IC digital attenuators that come in low cost, leadless surface mount packages. Our digital attenuator family offers excellent attenuation and includes off chip ac ground capacitors for near dc operation, making it ideal for an extensive number of RF and IF applications.
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C-Band DWDM VGA without Mid-Stage Access Next-Generation Variable Gain EDFA
HWA4500 (With SNMP)
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HWA4500 series is a next-generation variable gain EDFA, which with the most excellent performance and most completes functions in the market. It adopts nowadays most excellent optical performance, most advanced electronic technology and most complete software functions. Remarkable transient suppression control technology and heat management control technology let many complicated optical functions achieved. It is the most versatile multifunction optical amplifier in the market.
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VARIABLE TRANSFORMER DC POWER
208163V
Motorized Variable Transformer Controlled Power Supply, P/N 208163VInput power: 208 VAC, 6 Amps, 3 PH, 60 HzOutput: 0 to 120 VDC, 16 Amps max.Ripple: 5%Manual control with variable transformerCircuit breaker / ON OFF on the 208 VAC, 3 PH input lineProtection fuse provided on the outputPOWER ON lightIndoor enclosure: 24H x 20W x 9DVoltmeter and ammeter are installed to monitor the output.All input/output connections are available inside the enclosureSystem includes main unit and remote assembly.
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500VA 1KA 2KVA 3KVA 5KVA Variable Frequency Source
9001
Shenzhen Chuangxin Instruments Co., Ltd.
500VA 1KA 2KVA 3KVA 5KVA variable frequency source.
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Attenuators
Optical attenuators reduce the intensity of transmitted light uniformly across the spectrum. Applications include preventing too much light from overloading a receiver.
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SA1000X, 1 GHz, ±8 V, 10X Attenuation, Single-Ended Active Oscilloscope Probe
784255-01
1 GHz, ±8 V, 10X Attenuation, Single-Ended Active Oscilloscope Probe - The SA1000X is single-ended, active voltage probe that is used for many different high-speed measurement applications. The probe is powered by an included auxiliary power supply that is internationally compatible and certified. You can use it with oscilloscopes that provide 50 Ω input impedance.
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Variable Area Flowmeters
Variable area flowmeters are the most cost effective solution for almost all applications involving the measurement of industrial process liquids, gases or steam. ABB´s variable area flowmeters are reliable, flexible and simple. They meet the application requirements by featuring a wide range of design varieties and sizes. Technology proven, they offer a long life and high reproducibility. Variable area flowmeters are excellent mechanical back-up meters because no external power supply is needed.
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Variable Constant Differential Flow Controller
VCD 1000
The Porter Model VCD 1000 flow controller is precision-engineered to control low gas flows at constant mass flow rates regardless of changes in downstream pressure.
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Variable Gain Amplifiers
Macom Technology Solutions Holdings Inc.
At MACOM we design, manufacture, and support a broad family of Variable Gain Amplifiers (VGAs) for RF, microwave, and millimeter wave applications. Our VGAs cover frequencies from 50 MHz to 40 GHz and are used in a variety of Network, Commercial and Aerospace and Defense applications. These products are available in industry standard plastic packaging and are designed for both 50 Ohm and 75 Ohm applications.
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Multi-Channel Attenuation Control Unit (4-channels), DC to 18 GHz, 0 to 121 dB, 1 dB Step
J7204B
The J7204B is a multi-channel (4-channels) attenuation solution for signal attenuation and conditioning of up to 4 devices under test (DUT). Operating frequency from DC to 18 GHz, with 121 dB, 1 dB steps. Exceptional 0.03 dB insertion loss repeatability per section for the entire 5 million cycles and excellent attenuation accuracy and flatness, the J7204B reduces cost of ownership and provide the best measurement accuracy.
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Variable Reluctance Absolute Pressure Sensor
AP10
The AP10, Absolute Pressure Sensor, is designed for low and medium pressure measurements, to laboratory accuracy, of corrosive liquids and gases. In typical AC excited bridge circuits, this transducer delivers a full-scale output of 40 mV per volt at 3kHz. The unit operates with carrier systems including the Validyne CD15 sine wave carrier demodulator and CD16 miniature DC input DC output carrier demodulator to produce a high level analog DC output suitable for recording and control.
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SA1500X, 1.5 GHz, ±8 V, 10X Attenuation, Single-Ended Active Oscilloscope Probe
784256-01
The SA1500X is single-ended, active voltage probe that is used for many different high-speed measurement applications. The probe is powered by an included auxiliary power supply that is internationally compatible and certified. You can use it with oscilloscopes that provide 50 Ω input impedance.
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PXI Attenuator
Keysight offers step attenuator modules that operate across a broad frequency range of DC to50 GHz.
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6/12 Volt Heavy-Duty Variable Carbon Pile Load Tester
6036B
• High-volume testing and fleet use• Tests 6/12 Volt batteries• 1000 Amp load; tests batteries up to 2000 cold cranking amps• Cools with high RPM fan for continuous battery testing• High resolution carbon pile assembly for smoother operation and longer life• Optional Model 6038C for added mobility with convenient heavy-duty cart with wheels• Made in USA of US and Global Components
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Programmable Step Attenuator DC~50GHz, 0~115dB Att.
The programmable step attenuator achieves step attenuation over a wide frequency band. It features high attenuation accuracy, excellent repeatability, low insertion loss, and long service life. Its primary applications include controlling the amplitude of signals entering systems, regulating output signal power in systems, and adjusting impedance matching between signal sources and loads. It is widely used in various broadband spectrum analyzers, broadband vector network analyzers, broadband synthesized signal sources, noise figure test sets, and diverse microwave automatic test systems.
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Attenuator Interconnect Kit, 2.92 mm
11716D
The 11716D attenuator interconnection kit provides the necessary parts to connect 84904L and 84906L programmable step attenuators in series.
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6/8/12 Volt 0-1000 Amp Heavy-Duty Variable Carbon Pile Load Tester
7136R
• High-volume testing and fleet use• Tests 6/12 Volt batteries• 1000 Amp load; tests batteries up to 2000 cold cranking amps• Built in LCD Digital Voltmeter and LCD Digital Amp Meter• Cools with high RPM fan for continuous battery testing• High resolution carbon pile assembly for smoother operation and longer life• Optional Model 6038C for added mobility with convenient heavy-duty cart with wheels• RoHS and CE Compliant• Made in USA of US and Global Components
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Variable Frequency Drives (VFD)
High performance, cost effective VFDs, ideal for both machines & process control.Unitronics VFDs offer options for both single and three phase VFDs from 0.4 kW and up to 500 kW.Unitronics VFDs can be used as a stand-alone product, or as part of a complete All-in-One package with our controllers.
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Digital Step Attenuators
Ranatec’s digital step attenuators covers all mobile frequency bands and gives a calibrated attenuation range of more than 90 dB in steps of 0.25 dB. All Ranatec digital attenuators are built as modules and offers both serial and parallel control logic.
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Digitally Controlled Programmable Attenuators
Broadband frequencies ranging from 30 MHz to 40 GHz. High attenuation levels up to 60 dB. PIN diode designs exhibit extremely fast attenuation step switching performance. Attenuation step size ranges from 0.03 dB to 1 dB. Programmable attenuator control bit sizes range from 5 to 10 bits. Models powered and command controlled via 15 pin female Micro-D socket or USB interface.
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Programmable HiRes Wideband Digital Attenuator
LDA-133
The LDA-133 Digital Attenuator is a bidirectional, 50 Ohm step attenuator. It provides fast attenuation changes from 10 to 13000 MHz with a step size of 0.5 dB and 63 dB of control range. All attenuators are easily programmable for fixed attenuation, swept attenuation ramps and fading profiles directly from the included Graphical User Interface (GUI). Alternatively, for users wishing to develop their own interface, Vaunix supplies LabVIEW drivers, Windows API DLL files, Linux drivers, Python examples and much more.
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Step Attenuators
A stepped attenuator from Pasternack. Our BNC attenuator is a RF step attenuator design. This 50 Ohm manual step attenuator is precision manufactured to RF and microwave industry specifications.
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Magnet & Integrated Variable Temperature Sample Space With DR Insert
Adapted MCK model DR inserted into 50 mm 1.6 K300 K VTI VTI cooling power used for condensing stage of DR Versatile solution as the magnet system can also be used with other inserts and measurement probes including He3, heated probes, rotator, VSM etc.

























