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Pre-amplifiers
Detect and strengthen a signal prior to greater amplification.
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PXIe-5668, Up to 26.5 GHz PXI Vector Signal Analyzer
783156-02
Up to 26.5 GHz PXI Vector Signal Analyzer - The PXIe‑5668 offers wide bandwidth with high-performance measurement performance and speed. It meets the challenging requirements of applications such as wireless communications, radio frequency integrated circuit characterization, RADAR test, and spectrum monitoring and signal intelligence. With its implementation as a PXI instrument, the PXIe‑5668 also features the fast measurement speed required for high-volume manufacturing test, and multi-instrument synchronization capabilities for phase-coherent MIMO test. You can use the optionally included PXIe-5698 preamplifier to improve dynamic range and sensitivity near the instrument noise floor.
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Externally Polarized Precision Condenser Microphones & Preamplifiers
Externally polarized microphones set the initial standard for all acoustic test and measurement applications. They rely on a dedicated 200V power supply and specialized cables with 7-pin LEMO® connectors. Their straightforward design supports a wide product range. Often chosen as replacements for existing models or when prepolarized alternatives are unavailable.
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Transformer Preamplifier
SR554
Stanford Research Systems, Inc.
The SR554 is a low-noise, transformer-coupled preamplifier optimized for source impedances between 0.05 Ω and 1 kΩ. With an input noise of only 0.1 nV/√Hz, the SR554 can be used in a wide range of low-noise applications.
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ICP Microphone System
378C10
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration.
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Active Loop Antenna
AL-130R
Also known as Magnetic Loop Antenna, the AL-130R is compliant with CISPR 16-1-4. It is ideal for emissions measurements as required by various EMC standards such as FCC 18, CISPR 11, CISPR 13, CISPR 14, CISPR 32 and many more. The built-in, low-noise preamplifier, increases overall measurement sensitivity as well as the overall signal to noise ratio. As per ANSI C63.4-2014, the use of active loop antenna for compliance testing is permitted in a non-sheilded environment ONLY if the saturation indicator is continuously monitored during the course of testing. Com-Power’s Remote Antenna Interface (RAI-100) comes in very handy for this application. It is a compact controller which can be used to enable/ disable RF measurement circuit and monitor saturation and battery low conditions remotely via a fiber optic cable up to 30 mtrs in length.
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Instrumentation
Unholtz-Dickie designs and manufactures a variety of transducer signal conditioners, accelerometers, remote charge preamplifiers, vibration monitors & limiters, transducer testers, buffer amplifiers and other special purpose instrumentation accessories for vibration testing.
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Hydrophone
TC 4037
Incorporating a 10dB low-noise preamplifier able to drive a 25-metre cable and a wide usable frequency range, the TC 4037 is a spherical probe hydrophone that’s ideal for measuring sounds in the 100 to 500kHz range.
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(70×90×12mm) Single Channel Gain Block MSA Compact Pre-Amplifier EDFA Module
SPA4300-GM02
Hangzhou Huatai Optic Tech. Co., Ltd.
SPA4300-GM02 is a gain block optical Pre-amplifier EDFA module, adopts 70×90×12mm MSA compact package. It is featured with high reliability, superior optical performance and compact reasonable configuration by Industrial standard, creating the most flexible and variable low-cost amplifier in the market. This module is suitable for multiple network application, especially the application that requires 40GB/S transmission speed.
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Noise Figure Analyzer, Multi-touch, 10 MHz to 3.6 GHz
N8973B
The N8973B high performance noise figure analyzer is designed to make fast, accurate and repeatable noise figure measurements. When paired with an SNS Series noise source and U7227 Series USB preamplifier the ENR data from the SNS and USB preamplifier data automatically downloads into the N8973B.
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High-Sensitivity Tri-Axial Accelerometer with Built-In Preamplifier
NP-7310
NP-7310 is the accelerometer with built-in preamplifier, and capable of tri–axial directions simultaneous measurement. It is suitable for the low frequency vibration measurement such as ground vibration or floor vibration while operating the machine. NP-7310 can be used with the sensor amplifier unit such as AU-2100, AU-2300 or PS-1300. Also, it is possible to input directly to the analyzer or recorder which the constant current amplifier is built-in such as the FFT Analyzer of DS-2000 series, DS-3000 series, CF-7200A, CF-9000 series or CF-3650/3850 series.
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Preamplifiers
Is an electronic amplifier that converts a weak electrical signal into an output signal strong enough to be noise-tolerant and strong enough for further processing, or for sending to a power amplifier and a loudspeaker.
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USB Preamplifier, 100 MHz to 26.5 GHz
U7227C
The U7227C, 100 MHz to 26.5 GHz USB preamplifier is designed to bring reliable gain and low noise figure to measurement systems improving the overall system performance and reduce systematic errors; a total solution to the X-Series signal analyzers to perform noise figure measurement
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Microphone Preamplifier
HT426E01
Nominal Microphone Diameter1/2Frequency Response Electrical Noise(at 22 C) (Flat 20 Hz to 20 kHz)Distortion (3 V rms input at 1 kHz)<-70 dB<-70 dB[1] EnvironmentalTemperature Range (Operating)-40 to +248 FExcitation Voltage 20 to 32 Constant Current Excitation 2 to 10 mA
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FieldFox Handheld Microwave Signal Analyzer, 32 GHz
N9960B
A lightweight, durable, software-enabled, microwave signal analyzer, interference analyzer, distance-tracking generator, preamplifier, power meter, and more.
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Filtered Preamplifers
FPA
These low noise figure, high gain preamplifiers provide low system noise figure andallow longer antenna to receiver cable lengths. Preamplifiers can be specified withseveral filter configurations.
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Microphone Preamplifier
426A11
1/2-inch ICP preamplifier with gain and filter switches (for prepolarized microphones)ICP(R) low noise preamplifier with gain, filters, and TEDS
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Preamplifiers
Preamplifiers recognize the extremely low amplitude AE signal produced from AE sensors, and convert the signals into amplified and usable forms. As applications and testing conditions vary, project needs may change as well. Physical Acoustics offers an entire line of preamplifiers for a variety of testing requirements. Operating in conjunction with our specialized AE software, preamplifiers also moderate signal size during the data collection process, helping to produce accurate results.
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Preamplifiers
A.H. Systems'' Preamplifier line is an excellent choice with a rugged design, no hassles with soldering your own power leads and they improve overall system sensitivity by at least 20 dB. All of A.H. Systems'' Preamplifiers come with a 12-volt (or 15-volt) DC regulated power source. A low voltage indicator confidently allows you to power the amplifier with your own external 12-volt DC battery. This makes it a convenient choice for field measurements. See table below for amplifier specifications.
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Signal Processor Board
MS 1532
- Frequency coverage from 5 kHz to 30 MHz in 1-Hz steps- High dynamic range: +30 dBm 3rd-order intercept typical- Digital filtering provides 58 IFBWs from 56 Hz to 8.0 kHz with exceptional shape factors- AM, Synchronous AM, FM, CW, USB, LSB & ISB detection modes standard- Tunable notch filter- Fast, flexible scanning with 100 memory channels- Large readable LED displays & user-friendly controls- Noise blanking & pass band tuning- Internal switchable preamplifier & attenuator- Operator-selectable RS-232, RS-485, or- RS-422 remote control- Viretx 5 FPGA based design (Two virtex for image processing)- LPC2468 ARM 7 Processor based design- MIL1553B and RS485 Interface- Two High speed 14 bit ADC (125MSPS) for I & Q Sampling- Direct sampling 2-30MHz- Audio CODEC- Conduction Cooled Board
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Microphone Preamplifier
426B31
Performance:Nominal Microphone Diameter:1/4" Frequency Response:3.98 to 126000 Hz3.98 to 126000 10.0 to 126000 Hz10.0 to 126000 HzElectrical Noise (A-weight)3.8 TEDS CompliantYes
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FieldFox Handheld Microwave Spectrum Analyzer
N9936B
A lightweight, durable, microwave spectrum analyzer, interference analyzer, distance-tracking generator, preamplifier, power meter, and more
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Low Noise Amplifiers for Radio Amateurs
Our Low Noise Preamplifiers are remarkable for extremely low noise, excellent SWR, high efficiency and a high IP3. The Low Noise amplifiers are especially selective and absolute stable therefore oscillation is avoided. Even if you have a bad SWR. This is the reason why radio amateurs and club-stations all around the world trust in Kuhne electronic equipment. The products are perfect for use in contests, EME, MeteorScatter, Aurora and Tropo DX. Small mechanical measurements and technical innovations from the professional sector, e. g. milled aluminium cases, enable high temperature stability and tower mounting. Numerous contest victories, records and first contacts with a country were and are achieved with Kuhne products. Don't compromise and get technology from Kuhne electronic!
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Ambient Single Point Kelvin Probe System
This single point Kelvin Probe System operates under ambient conditions and is small enough to be placed in a customized glowth box. The probe head operates with an oscillating membrane and can be easily exchanged. The preamplifier is integrated inside the probe head.
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PXIe-5668, Up to 26.5 GHz PXI Vector Signal Analyzer
783156-01
Up to 26.5 GHz PXI Vector Signal Analyzer - The PXIe‑5668 offers wide bandwidth with high-performance measurement performance and speed. It meets the challenging requirements of applications such as wireless communications, radio frequency integrated circuit characterization, RADAR test, and spectrum monitoring and signal intelligence. With its implementation as a PXI instrument, the PXIe‑5668 also features the fast measurement speed required for high-volume manufacturing test, and multi-instrument synchronization capabilities for phase-coherent MIMO test. You can use the optionally included PXIe-5698 preamplifier to improve dynamic range and sensitivity near the instrument noise floor.
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Sound Level Meter
831-LOWN
Easily make low noise measurements to 6.5 dB A-weighted using the Model 831-LOWN sound level meter paired with the 378A04 low noise microphone and preamplifier. Due to the innovative design of the 378A04 which uses a prepolarized microphone and ICP (constant current) interface, the combination produces a highly portable system that is battery powered and intuitive to use for measuring low noise levels.
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DryLoc pH/ORP Preamplifier and Connectors
2760
The 2760 preamplifier allows any DryLoc pH/ORP electrode to work with Signet ProcessPro and ProPoint pH/ORP instruments. It is also sold as a simple connector for use with other manufacturers' instruments that do not require a preamplified signal.
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ELT STALKER Vector-finder
VF-121
The Vector-Finder Types VF-121 and VF 121A are unique in the Vector-finder series of direction finding antennas. They incorporate a proven design, electro statically shielded loop sensing element with modern solid state low noise analog and digital technology to allow detection and location of aircraft band signals. Both the VF-121 and the VF 121A incorporate a unique digital modulator which allows the user to more easily home-in on unmodulated carriers. Such cases occur at airports when transmitter may be accidentally keyed on during aircraft overnight layovers. The VF-121 is specifically designed to be used on airport premises where signal strengths are high. To compensate for very strong signals, an integral attenuator is also incorporated to allow the user to operate the unit close-in to aircraft. The VF-121A differs in that a high gain, low-noise preamplifier is utilized with the sensing element in order to hunt signals that may be weak or at a distance. The unit is ideally suited for the location of ELT transmitters in the field. Both units are tunable over the 118 MHz to 130 MHz aircraft frequencies and interface directly to the user’s aircraft band receiver or transceiver via the antenna jack. With the antenna system connected to the receiver, the user will hear the desired signal. If the signal is unmodulated, the digital modulator will generate a tone on the carrier. When the handheld unit is rotated about, an audible null on the received signal or the generated tone will be heard. This null aligns with the axis of the equipment case and represents the direction of the received signal. This direction may be read from the black dial compass mounted on the top of the enclosure. As the response is bi-directional, triangulation may be used to determine the true bearing when the true direction is not known.
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Transducers
CRYSOUND offers an impressive array of sensor products, including measurement microphones, preamplifiers, artificial ear coupling cavities, and artificial mouth sound sources. These diverse products enable us to meet the specific needs of our clients with precision and innovation.
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FieldFox Handheld Microwave Spectrum Analyzer, 26.5 GHz
N9938B
A lightweight, durable, microwave spectrum analyzer, interference analyzer, distance-tracking generator, preamplifier, power meter, and more.
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X-Ray Preamplifier Power Supply
The X-ray Preamplifier Power Supply (XPPS) provides power for 50 or more preamplifiers. The 19-inch rack-mount or benchtop unit contains linear power supplies that generate +/-12V @ 5.1 Amperes and +/-24V @ 3.6 Amperes, with very little noise.
