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Rad-Hard Power Management
ST offers a comprehensive range of QML-V rad-hard power management solutions for space applications including linear voltage regulators (low-dropout regulators), point of loads (switching DC/DC converters), PWM controllers, gate drivers, and an industry-unique integrated current limiter.
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Doides
Skyworks diode product offering includes PIN, limiter, Schottky, and varactor diodes for a wide variety of microwave applications including WLAN, infrastructure, handset, Satcom, automotive, military, aerospace and defense, test & measurement, metering, medical and RDID.
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Limiter Diodes
The SemiGen SLP7100 series of Limiter Diodes are processed with a high-resistivity epi that have thin intrinsic layers. These devices are typically in the 2 to 20 micron range of epi thickness and can be gold doped to achieve specific performance goals. These diodes are used in passive or active limiter designs in the 100 MHz to 30 GHz frequency ranges. They are ideal for use in high-power applications and can be supplied in chip form or in your choice of packages below.
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Limiters
CAES Limiters are designed to provide protection of sensitive circuit elements such as receiver front ends or detectors.
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35/50 GHz 2/4 Port TDR/TDT Remote Sampling Head for the 86100D DCA-X
N1055A
Bandwidth options: 35 or 50 GHz (upgradable)Edge speed (10-90%, typical): 18 ps (35 GHz) or 7 ps (50 GHz)Channel options: 2 or 4 per module (upgradable) with independent skew control and up to 16 channels per 86100D mainframe Ultra-thin remote head: 1.6 m phase-stable cable, 2.92 mm (35 GHz) or 1.85 mm (50 GHz) connectors, and integrated 67 GHz diode limiters for ESD/EOS protection TDR fixture de-embedding removes effects of fixtures, cables or probes connected between remote heads and DUT
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Linear Bench Power Supplies Triple Output, Local Control, Ultra Low Ripple/Noise
Series MPS
Series MPSThe MPS is a 70 Watt, triple output MIL-STD-461 compliant power supply specifically designed to meet the needs of IC/microprocessor experimenters. It is actually two linear (series pass) power supplies in one.The first has a single 0-6V, 0-5A output backed up by an adjustable current limiter and overvoltage crowbar for digital work. The second has two tracked outputs, 0 to +20V and 0 to -20V, both rated at 0-1 Amp. The two power supplies are completely isolated from each other, sharing only the front panel meters and the chassis.
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Transient Limiter
TBFL1
The TBFL1 is a combined transient limiter / attenuator / high pass filter, designed to provide optimum protection of spectrum analyzer or measurement receiver inputs when carrying out conducted noise measurements or other measurements where the input levels cannot be predicted with certainty or where accidental overloads may occur.
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PIN Limiter Diodes
Macom Technology Solutions Holdings Inc.
MACOM’s PIN limiter diodes provide excellent broadband performance from 1 MHz to 20 GHz and higher for receiver protector circuits. Our PIN limiter diodes are available in die form, plastic and ceramic packaging. Our ceramic packaged diode series is ideal for waveguide, coaxial, and surface mount applications, while our die diode series is well suited for chip and wire high frequency microwave applications.
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Single Head Component Testers
34XX
Performs DC, AC, and pulsed tests. Excels at evaluating difficult to measure parameters on zeners, current limiters, varactor tuning diodes, darlingtons and matched dual transistors. 24 bin opto-isolated handler/prober interface. Parallel first-in first out computer to tester interface for maximum throughput. Parallel testing with a 3402E or 3403E allows shared test execution for extremely high throughput applications when interfaced to high speed handlers with multiple test sites.
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Limiters
Macom Technology Solutions Holdings Inc.
At MACOM we offer a complete line of RF and microwave limiters, LNA/limiters and limiting amplifiers up to 18 GHz. These products use the latest thin-film hybrid manufacturing techniques to obtain the highest levels of performance, repeatability, reliability and cost-effectiveness. Using the latest technology available in the industry for silicon and GaAs FET MMICs, these products are ideal for multi-market and aerospace and defense applications.
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XLR Barrel Version of the same Switchable Soft-Clip Limiter
Over-Killer
An Over-Killer is an XLR barrel version of the same switchable soft-clip limiter found on our revered audio interfaces. Designed to get more out of your digital copy by allowing you to push levels while limiting the level of a balanced analogue signal to +18dBu.
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Preset Torque Limiters
For companies with minor torque control needs, Mountz torque limiters provide the value of a set of torque tools for a fraction of the cost. Mounted in-line on a regular hand tool, torque limiters use a rotary clutch mechanism that lets operators accurately control torque output. Adding torque control capabilities to your toolbox will improve the quality of your results and lower the risk of faulty repairs. Durable, dependable, and versatile, Mountz torque limiters allow you to complete tough, technical service jobs with the knowledge that you have the right tools to get it done.
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Power Limiter, 0.01 to 50 GHz
N9355F
The N9355F power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components, like network analyzers, spectrum analyzers, and amplifiers, from excess RF power, DC transients and ESD. Minimize your measurement uncertainty and improve your measurement accuracy with the limiter's superior RF performance.
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Digital Matrix Processor
DM84
The DM84 is an 8-in, 4-out digital matrix processor with the capability to route any combination of inputs to any combination of outputs with extremely low throughput latency. Automatic microphone mixing is accomplished via a patented Adaptive Proportional Gain algorithm. Sophisticated filtering is offered on each input and output. A compressor is available on each input, a compressor and limiter on each output. In addition, each input and output can be configured with a delay setting of up to 100 ms for inputs, 250 ms for outputs. The DM84 runs on the latest-generation DSP architecture and can be integrated as part of a larger system by connecting other DM units (like the DMTH4) via the Digital Audio Network Interface (DANI) bus.
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Microwave Components
We are a worldwide leader in the design, development and manufacture of radio-frequency and microwave components, and our product portfolio is one of the most comprehensive anywhere in the world.Our magnetrons, performance monitors, low noise front ends, circulators, loads, limiters and receiver protectors are trusted to power every type of commercial radar application, including airborne, navigation and guidance devices, radar and sonar equipment and electronic surveillance systems.
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Front End Protector
AS-RXFEP RX
The AS-RXFEP Receiver protector limits input RF signal threshold from 1 to 150MHz to less than 0.3 Vrms to protect a receiver front end from damage due to nearby transmitted signals. The receiver still actsnormally and measured signal strength is not affected.The circuit uses a multi-stage design of transformer saturation coupling and current limiters. It also incorporates a low voltage GDT to protect from lightning events. These are for receiving only - you cannot transmit through them without damaging the unit.
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Power Limiter, 0.01 to 18 GHz
N9355B
The N9355B power limiter provides the best broadband input power protection to sensitive RF and microwave instruments and components, like network analyzers, spectrum analyzers, and amplifiers, from excess RF power, DC transients and ESD. Minimize your measurement uncertainty and improve your measurement accuracy with the limiter's superior RF performance.
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GPS Filter Amplifiers
Mercury Systems’ family of GPS filters/amplifiers is the right choice for your high reliability GPS receiver. Whether your application is ground, airborne, missile or launch/reentry vehicle, you can trust the technology behind these advanced products. Custom designs including multiple outputs and integrated receiver protection limiters are also available.
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Bipolar/FET/Diode Dual Head Production Test System
36XX
Two test stations on the 3600E and 3601E systems. Performs DC, AC, and pulsed tests. Excels at evaluating difficult to measure parameters on zeners, current limiters, varactor tuning diodes and darlingtons. 24 bin opto-isolated handler/prober interface. Parallel first-in first out computer to tester interface for maximum throughput. Parallel testing with a 3602E or 3603E allows shared test execution for extremely high throughput applications when interfaced to high speed handlers with multiple test sites.
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Compressors & Limiters
Applied Research and Technolgy
Take control of your dynamics with our range of compressors, limiters, expanders, and gates.
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SDLVA Modules
Analog Devices, the world-class supplier of complete MMIC-based solutions for communication and aerospace and military markets, offers two successive detection log video amplifiers (SDLVAs) that operate over the 0.6 GHz to 20 GHz and 2 GHz to 20 GHz frequency ranges, respectively. They feature power limiter circuitry at the RF input and carry a Class 1A ESD rating (250 V HBM). They are available in miniature connectorized module packaging and are ideal for designers with space and power-constrained applications, including EW and ELINT receivers, DF radar, ECM, IFM systems, and missile guidance.
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1000W Ferroresonant Power Supply
Series PRR
Kepco's PRR are 1000 Watt rack mounted laboratory systems power supplies that offer the low cost and very high dependability of ferroresonant voltage stabilization.The ferroresonant stabilizing technique provides extraordinary isolation from a wide variety of source noise. It is inherently short-circuit proof and cannot expose delicate loads to overvoltage hazards. Hence no crowbar, fuses, or bounding circuits are needed. Ferroresonant power supplies use no noise-producing switches or oscillators. Voltage setting is independent of delicate control settings or diode references and requires no comparators, references, or limiters. Efficiency is 70-80%.
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Wafer Level Multi-Die Test System
ITC55WLMD
The ITC55WLMD series of test systems has been developed by ITC to be stand-alone UIL test systems configured specifically to test on wafer. The systems include an ITC55series UIL tester and inductor box, a current limiter module and a system controller
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LISN & Voltage Probes
All commercial LISNs include an artificial hand connection and a transient limiter. This adds a 30dB insertion loss. A 30dB pre-amplifier is included which can be connected in the RF output feed to return the insertion loss to 0dB. The Voltage Probe requirement is covered by our PLIP (Power LIne Interference Probe). This fully meets the requirements of CISPR16, but has additional features:*Fully galvanic isolation between input and output (>1kV), for the safety of operator and analyser!*Shrouded safety clips for attachment to the line to be measured.*Filtered frequency response matched to Band A and B.*Current limiting on the output.*Visual indication of high voltage input.
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Power Limiter, 5 MHz to 6 GHz, Type-N
11930B
The Keysight 11930B limiter provides input protection for a variety of RF and microwave instrumentation. Failure mode for the limiter is either an open circuit or a short circuit to ground, thereby protecting the instrument from damage. The Keysight 11930B provides the same protection to spectrum analyzers and sources. At even greater power levels, failure mode for limiter is either an open circuit or a short circuit to ground, thereby protecting the instrument from damage.
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Attenuators And Pulse Limiters
A bidirectional attenuator, i.e. the attenuation and power capability specification is valid for both directions. There is a large variety of applications for this attenuator: The measuring range of a spectrum analyzer can be increased. Any kind of meter can be protected against overload; it can be used to control the linearity of a meter reading. It can minimize measurement uncertainty caused by mismatched impedances. During an EMI receiver calibration an attenuator directly at the pulse generator output is inevitable.
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RF Limiter, 10 Hz to 1800 MHz
11867A
11867A RF limiter can be used to protect the input circuits of spectrum analyzers, counters, amplifiers, and other instruments from high power levels with minimal effect on measurement performance. This limiter (10 Hzto 1800 MHz) reflects signals up to 10 watts average power and 100 watts peak power. Insertion loss is less than 0.75 dB.
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Limiter
Chengdu KeyLink Microwave Technology Co., Ltd.
The series of products‘ limiting ability can be achieved by the diode conduction and cut-off characteristics.The frequency range covered by 0.5GHz~40GHz.The products have the characteristics of low insertion loss, small size and high reliability. The products can be applied to receiving channel low noise amplifier protection in radar system. KeyLink's limiters can be categorized as follows.
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Pulse Limiter
KH43101
Beijing KeHuan Century EMC Technology Co,.LTD
1, frequency range 9KHZ~30MHZ 2, in-band loss 10dB+-1db 3, VSWR <1.25 4, allowable power <1 W 5, input impedance 50Ω (N type)
