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Pre-amplifiers
Detect and strengthen a signal prior to greater amplification.
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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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Low Noise Pre-Amplifiers
Low Noise Pre-Amplifier and companion external low noise amplifier (LNA) are used to amplify low level microwave signals. The Pre-Amplifier contains an AC/DC power supply, internal low noise amplifier, and a bias tee to source a DC bias voltage on the RF input connector.To overcome cable loss between the test antenna and the Pre-Amplifier assembly, a remote low noise amplifier (LNA) is mounted directly onto the 10 GHz antenna. A bias tee inside the Pre-Amplifier chassis powers the remote LNA through the coax cable interconnecting the pre-amplifier and the 10 GHz test antenna.
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OEM Pulse Energy and Power Measuring Instrument
LEM 2510
This OEM-Meter is assembled in a standard cassette for the industrial 19? system. It has a width of 21TE. A touch panel and function keys make this device comfortable and easy to handle. The preamplifiers integrated into the device and the choice of sensor sensitivity, allow to use a wide range of sensor heads.?
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Power modules
G.R.A.S. Sound & Vibration A/S
It provides polarization voltage for the transducer, ensuring that the microphone gets the charging voltage it needs.It provides supply voltage for the microphone preamplifier. The preamplifier acts as a unity gain impedance converter. It provides a certain amount of line drive capability by providing a low output impedance and output current, making it possible to transmit the signal from the transducer to the Power Module without significant degradation.A power module can provide amplification or attenuation to the signal, thus making it possible to fine tune the measurement chain to the signals being measured and the hardware being used.Selectable filters make it possible to exclude unwanted noise from the measurement, e.g. wind induced noise from outdoor measurements.Overload detection makes it possible to validate the measurements and is a useful tool in monitoring setups.When a Power Module with gain is used, you can use longer cables because of the power module's ability to deliver current.A Power module introduces electrical isolation
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Preamplifier
Is designed for the amplification of measuring signals, e.g. weak signals of near field probes with high resolution.
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(40×70×12mm) Single Channel Small Form Factor Gain Block Pre-Amplifier EDFA Module
SPA4300-GM01
Hangzhou Huatai Optic Tech. Co., Ltd.
SPA4300-GM01 is a single channel Gain Block Pre-Amplifier EDFA module , adopts subminiature 40×70×12mm compact package, combined with artistic package and best optic performance, creating the best 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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MCT IR Detector Module
The MCT (Mercury-Cadmium-Telluride) IR (infrared) Detector Module is a thermoelectrically cooled detector element and preamplifier package optimized for acquiring spectral data with the LaserTune Quantum Cascade Laser (QCL) source.
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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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Precision Condenser Microphone
378A12
1/4-inch pressure prepolarized 377A12 microphone, with 1/4-inch preamplifier 426B03 and TEDS v0.9
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Lock-In Voltage Preamplifier
SR550
Stanford Research Systems, Inc.
The SR550 Voltage Preamplifier is designed to work with any SRS lock-in amplifier. Preamplifiers provide gain close to the experimental detector, before the signal-to-noise ratio is permanently degraded by cable capacitance and pickup
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External Pre-amplifiers
Although all Spectrum A/D cards have a very powerful input section with a highly configurable input amplifier and a variety of input ranges it is sometimes necessary to have additional external amplifiers if the signal to acquire has an extremely low level. Spectrum offers a range of perfectly matching external amplifiers to cover such cases. These powerful amplifiers have been rated using the Spectrum cards and offer best performance together with high amplification rates.The amplifiers are simply connected between the signal source and the Spectrum A/D card input and can be manually switched between different settings using small lever keys. All amplifiers allow the offset compensation by using an adjustable screw.
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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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ICP Microphone System
378C10
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration.
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Low Cost Microwave Wideband PIN Preamp Receivers
MR21 (40KHz~18GHz)
Hangzhou Huatai Optic Tech. Co., Ltd.
MR21 series microwave wideband optical receiver, adopts High linear PIN diode and Low noise pre-amplifier IC, within bandwidth of 40KHz~18GHz, they are featured with excellent linearity, high responsibility and superior flatness of the RF response in both, power and phase. They provide an outstanding linearity fiber optical communication for analogue wideband microwave application. Due to avoidance of using expensive coaxial cable or wave guide, there will be no limitation in transmission distance, which improves the signal quality and reliability of the microwave communication. They can be widely applied in microwave communication system such as remote wireless, timing and reference signal distribution, telemetry, measurement and delay line etc as well as 10Gb/s and 18Gb/s high speed communication system.
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Modern Prepolarized Precision Condenser Microphones & Preamplifiers
Modern prepolarized microphones are designed with newer technology than traditional externally polarized microphones. Prepolarized microphones have many advantages over the externally polarized models. They use ICP® power circuitry invented for sensors by PCB®. By applying a polymer coating to the top of the backplate and embedding a charge on it, expensive 200V power supplies can be eliminated and 2-20 mA constant current supplies or signal conditioners can be used as the power source.
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ICP Microphone System
378C01
This model includes a 1/4" microphone cartridge, a mated preamplifier with TEDS, and system calibration. Click the following for individual component information.
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Hydrophone
RESON TC 4035
The TC4035 is a miniature probe hydrophone specifi cally designed as a standard reference hydrophone for sound measurements in the frequency range 100 to 500kHz. The hydrophone incorporates a 10dB low-noise preamplifier, which includes an insert calibration circuit for convenient electrical testing of the hydrophone condition. The pre-amp has a drive capability for cable length up to 25 meters.
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Accessories
Spectrum Accessories: Cables, A/D External Pre-Amplifiers, D/A Amplifier Card, Clock and Trigger Distribution, Docking Stations
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Amplifiers
Teledyne Lincoln Microwave design and manufacture RF amplifiers utilising the latest semiconductor technology. Our portfolio includes low noise amplifiers (LNA’s), power amplifiers and pre-amplifiers. These can incorporate linearization, filtering, phase and amplitude control functionality.
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Components for System Integration
Bh offers a wide range of accessories to improve your photon counting experiment such as experimental control modules, optomechanics or implantable fiber probes for in-vivo applications. For PMTs and MCPs we offer different preamplifiers and a variety of routing devices for multi-detector operation. For a perfect SYNC signal, trigger modules and a SYG are available.
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TURBO-TENNA 137 MHz Weather Satellite Antennas
WX-137 SERIES
The WX-137 series of antennas are marine-grade 137 MHz circularly polarized antennas designed to receive weather satellite images from the polar orbiting NOAA and Meteor satellites. Manufactured from stainless steel and ABS plastics, the assemblies are sealed and designed to survive marine service, although they may be used on land as well. Each antenna is available with or without a gasfet preamplifier which provides about 16 dB of gain and is physically located adjacent to the antenna.
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(70×90×15mm) Full Function Single Channel MSA Compact Pre-Amplifier EDFA Module
SPA4300-FM02
Hangzhou Huatai Optic Tech. Co., Ltd.
SPA4300-FM02 is a full-function optical Pre-Amplifier with digital control electronics, adopts 70×90×15mm 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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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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FieldFox Handheld Microwave Spectrum Analyzer, 4 GHz
N9933B
A lightweight, durable, microwave spectrum analyzer, interference analyzer, distance-tracking generator, preamplifier, power meter, and more.
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Signal Amplifier
ZET 410
The ZET 410 preamplifier is used as a signal amplifier in processing systems and various instruments and actuator control systems. It is used in industry, laboratory and mobile studies.
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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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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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Multi Channel Analyzer
BOSON
Baltic Scientific Instruments, Ltd
Spectrometric device BOSON acquires and displays spectra with overlapping by energy up to 1000 timesNo resolution deterioration at operation in the beginning of spectrum energy rangeStable operation with preamplifiers of TPR type with output voltage swing up to +/- 10 V and reset duration up to 250 usAutomated P/Z adjustmentImproved dead time correctionSoftware-based spectrum stabilizationSetting and control of all parameters using colour LCD display with touch screenComplete remote control of Boson via software on PCAuto BLRAnalogue time dependent shapingSpectrum stabilizationDead time correctionOperation with preamplifier TPR
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ProBus Probe Adapter for TekProbe-BNC Probes
TPA10
- Allows TekProbe interface level II probes to work with any ProBus-equipped Teledyne LeCroy oscilloscope- Automatic probe detection- Provides all necessary power and offset control to the attached probe- Supports probes up to 4 GHz- Easy firmware updates- Wide variety of probes supported including: Preamplifiers, Current Probes, Single-Ended Active Probes and Differential Active Probes
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PXIe-5668, Up to 26.5 GHz PXI Vector Signal Analyzer
783124-02
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.
