- LBA Group, Inc
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RF Shielding Services
LBA offers complete architectural RF shielding capabilities, including RF shielding for communications, medical and other radio frequency interference sensitive facilities. LBA is a major provider of architectural shielding solutions for buildings, laboratories and other spaces. LBA also offers other RF shielding materials, such as paints, fabrics and faraday cages, as well as an integrated line of shielding components to provide a comprehensive shielding system.
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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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Preamplifiers
Com-Power broadband high gain preamplifiers were designed for electromagnetic interference (EMI) testing and certification. EMC test labs use preamplifiers to improve sensitivity of the test system during EMI radiated emissions measurements. Without a high gain preamplifier, signals picked by the antenna that have amplitudes below the noise floor of the test system cannot be measured. The preamplifier gain has minimum variations for the entire operating frequency range for accurate emissions measurements. The Com-Power preamplifiers were primarily intended for EMC applications. However, it can be used for other applications that require signal amplification.
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Preamplifiers
The primary function of a preamplifier is to extract the signal from the detector without significantly degrading the intrinsic signal-to noise ratio. Three basic types of preamplifiers are available: the current-sensitive preamplifier, the parasitic-capacitance preamplifier, and the charge-sensitive preamplifier. ORTEC manufactures a preamplifier to fit your detector, your application, and your budget.
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Current Preamplifier
1212
The Model 1212 Current Preamplifier is designed as a low cost, gerenal purpose, benchtop instrument to provide a high performance detection system for small ac and dc currents. The 1212 operates with a virtual ground at its input which mitigates unpredictable high frequency rolloff due to input cables and stray capacitance.
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Current Preamplifier
1641
The Model 1641 Current Preamplifier is a simple low cost wideband gain block for use with photomultipliers
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High Impedance Preamplifier
1671
The Model 1671 is a single ended low noise field effect transistor
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Low Noise Preamplifier
The UPL-3001 preamplifier is a high performance solution for the low-noise amplification of ultrasonic signals. Designed for signals ranging from 0.5 to 300 MHz, the small and lightweight, rugged unit is perfect for remote applications. This is ideal for P&C, TT, AUT or TOFD inspection.
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Ultra sensitive heat flux plate
HFP03
Hukseflux Thermal Sensors B.V.
HFP03 is an ultra sensitive sensor for heatflux measurement of small heat fluxes through soil, walls and building envelopes. By using a ceramics-plastic composite body the total thermal resistance is kept small.
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Low G Sensitive Oscillators
Precision Test Systems is increasingly becoming a world leader in ultra-low phase noise (ULN) crystal and rubidium oscillators. We manufacture the CFS10B crystal frequency standard and the RFS10E and RFS10F rubidium frequency standards. All these models can also be locked to the global satellite service operated by the USA (GPS), Russian (GLOSNASS) and Europe (Galileo). We also have a complete range of distribution amplifiers to compliment these frequency standards.
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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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Programmable Current Preamplifier
99539
The Model 99539 is a modular, multi-channel current preamplifier with parallel, logic level, gain control input. It consists of circuit boards which plug into a 3 1/2" high by 19" wide rack chassis.
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Saluki SE4002 FET Input Preamplifier
The SE4002 is a low-noise, ultra-high input impedance preamplifier with excellent common-mode rejection. It is designed to work with any Saluki digital lock-in amplifier. The preamplifier minimizes noise and pickup in the connecting lines and reduces measurement time in noise-limited experiments.
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DC to 350 MHz Preamplifier
SR240A
Stanford Research Systems, Inc.
The model SR240A 350 MHz Preamplifier is a 4-channel, DC-coupled instrument with a gain of 5 per channel. The amplifiers can be used independently or cascaded to provide gains of 5, 25, 125 or 625.
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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 sim...show more -
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Low Noise Differential Preamplifiers
Provide a high gain amplification to 1MHz with an AC output derived from a very low noise FET instrumentation amplifier. Each model has fixed gain settings of x1 (0dB), x10 (20dB), x100 (40dB) and x1000 (60dB) over a selectable bandwidths of 100Hz, 1kHz (HP), 3kHz, 30kHz, 100kHz and 1MHz (7000 model only). Noise referred to input is 7nV√Hz and common mode rejection is >100dB at 1kHz. Momentary pushbutton switches are provided that control coupling, bandwidth, gain and channel on/off selections. BNC connectors are provided for single-ended and differential input, ac output, and dc output (optional) connections.
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C-Band DWDM Pre-Amplifier EDFA (WPA-C)
HWA4300 (With SNMP)
Hangzhou Huatai Optic Tech. Co., Ltd.
Huatai HWA4300 series, is designed for C-Band 44 waves or 88 waves DWDM system design Pre-Amplifier gain flatness. Products using the most excellent optical performance, the most advanced electronic control technology and comprehensive software features, has a wide operating wavelength range, Low noise, excellent gain flatness characteristics and transient characteristics.
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Precision Current Preamplifier
SIM918
Stanford Research Systems, Inc.
The SIM918 Current Preamplifier is ideal in applications in which the input offset voltage must be kept to a minimum. The DC voltage difference between the two inputs (current input and voltage bias) is accurately measured every 2 seconds, and is nulled.
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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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Highly Sensitive Magnetization Switching Evaluation system
FMSS
The necessity of evaluation for media by thin film and high speed magnetic recording increases as high density of magnetic recording media. This equipment is newly-developed one which applies any time-range and pulse magnetic field to test sample, and detect magnetization after applied with highly sensitive resonating sample magnetometer.
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Microphone Preamplifier
426B03
Performance: Nominal Microphone Diameter:1/4"Frequency Response: (0.1 dB) (re 1 kHz)5 to 126000 Hz5 to 126000 Hz Frequency Response
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RX Pre-Amplifier System
RAM-34
The RAM-34 is a complete pre-amplifier system designed primarily for the low bands 160M thru 40M. It has inputs for four receive antennas and internal 3-pole bandpass filters for 160M, 80M and 40M. In addition to the pre-amplifier, it has a step attenuator that togetherwith the amplifier stage provides gains from -20 dB to +20 dB in 5 dB steps. This allows equalizing the signal levels between the antenna inputs. Gain settings are memorized for each antenna on each band. Different types of receive antennas have different signal levels and the gain memories eliminate the need to adjust the receiver or pre-amplifier when switching between the antennas.
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Mm-Wave High Sensitive Power Meters
The DPM-xx is a single-channel average power meter for RF to millimeter wave frequencies that measures absolute power from 10 MHz to 220 GHz.
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Highly Sensitive Silica Monitor
SLIA-300
The ultra-pure water that is used in the semiconductor production processes can be further purified by using an ion-exchange resin. Capturing the silica that is dissolved from this ion-exchange resin as quickly as possible can control the ultra-pure water quality, which is important during the production processes.HORIBA Advanced Techno has developed and employed a new "long light path length measurement cell" to enable highly sensitive measurement of ultra-low density silica and also realized a compact desktop model to improve the usability.
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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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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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Acoustic Emission Preamplifier
The Acoustic Emission Preamplifier is a instrument designed specifically for use with acoustic emission sensors, which is used to boost the signals and filter out any noise or interference. With its advanced technical features and robust design, the QingCheng Acoustic Emission Preamplifier is the perfect choice for professionals seeking a high-performance acoustic testing solution.
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Time Sensitive Test Tools
We have developed a series of custom testing tools as part of our dedication to performing the most comprehensive testing in the industry. These tools allow for testing at lower layers than most commercially available tools and are available for use in your own testing labs. In addition, we have an extensive amount of T&M partner test tools which members of our testing services also have access to.
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Low Noise Current Preamplifier
SR570
Stanford Research Systems, Inc.
The SR570 is a low-noise current preamplifier capable of current gains as large as 1 pA/V. High gain and bandwidth, low noise, and many convenient features make the SR570 ideal for a variety of photonic, low temperature and other measurements.