Preamplifiers

Electronic Components & Devices, Sensors Monitors & Transducers

Measurement Microphone measures low sound pressure levels.

September 30, 2016

With 1 in. nominal diameter, Rion Model UC-35P combines free-field, pre-polarized, low-noise microphone capsule UC-35 with Constant Current Line Drive-compatible NH-35 preamplifier. Unit features 4 dB(A) noise floor, frequency range of 10–12,500 Hz, and BNC connector for all types of CCLD-compatible equipment. Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Microphone and Preamplifier System measures to 6.5 dBA.

January 29, 2016

Housed in prepolarized package, ½ in. Model 378A04 enables test engineers to measure extremely low sound pressure levels. Free-field microphone has built-in filter that ensures sensitivity is stable and accurate between 10 Hz and 16 kHz. Sensor is used with data acquisition systems that provide 4–20 mA of constant current. Using common coaxial cables with BNC connectors, Model 378A04 is... Read More

Electronic Components & Devices, Sensors Monitors & Transducers, Test & Measuring Instruments

Test and Measurement Microphone resists dust and water.

July 21, 2015

Featuring stainless steel grid cap and replaceable water- and dust-resistant cover, ½ in. Model 130A24 is suited for applications where moisture, oil splash, and contamination are present. Free-field, prepolarized microphone and preamplifier system has wide dynamic range from 30 dBA (inherent noise level) to 150 dB. Phase characteristics are tailored for noise source location applications... Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Microphone and Preamp System provides infrasound measurements.

June 3, 2015

With frequency range of 0.13 Hz to 20 kHz, ±2 dB, ½ in. Model 378A07 meets IEC 61094-4 standard for test and measurement microphones. This covers infrasound which is below normal hearing range for adults. A2LA and ILAC accredited, free-field polarized microphone performs measurements commonly required for wind turbines, sonic booms, diesel engines, and specialized loudspeaker systems. Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Microphone Preamplifier allows acoustic testing in tight spaces.

February 12, 2015

Used to convert high impedance signal from measurement microphone into low impedance signal, Model 426A13 is designed for ½ in. microphones used to measure frequencies within both infrasound and the human audible range (3 Hz to 20 kHz). Preamplifier electronics fit in 0.94 in. long housing, and overall length (including connectors) of 1.4 in. accommodates space-constrained test... Read More

Electronic Components & Devices, Mechanical Components and Assemblies, Sensors Monitors & Transducers

Motion Sensors, Inc. Proudly Announces IECEx Certification

October 27, 2014

Motion Sensors is proud to announce IECEx Certification of Intrinsically Safe Pickup Coils and Preamplifiers, demonstrating compliance to IEC 60079-0:2011 and IEC 60079-11:2011. Motion Sensors product lines covered under the certification include: PC45 and RF10 Series Intrinsically Safe Pickups; DMX, DRX, HX, HDX, HNX, MRX, and MRDX Series Intrinsically Safe Pickups; and PMX PRX Series Amplified... Read More

Electronic Components & Devices

Short Preamplifier enables acoustic testing in tight spaces.

September 29, 2014

Supplied in 1.2 in. long housing, Model 426A07 converts high impedance signal from measurement microphone into low impedance signal. Unit can be paired with any PCB® ¼ in. free-field, random incidence and pressure microphone cartridges to test high frequencies ranging from human audible range of 20 Hz to 20 kHz up to ultrasonic frequencies greater than 100 kHz and high amplitude... Read More

Electronic Components & Devices

Outdoor Preamplifier features automatic calibration check.

September 16, 2013

Suited for remote sound level measurement, Model PRM2103 operates with Model 831 Sound Level Meter, 377B02 microphone, and environmental shroud for portable or permanent outdoor use in wide range of weather conditions. Automatic calibration checks 5 different frequencies simultaneously, enabling detection of any failure. When used with sound level meter, acoustic response can be selected as... Read More

Electronic Components & Devices

Microphone Preamplifier withstands temperatures up to 257°F.

February 1, 2013

With Model 1706, engineers can make acoustical measurements nearer to sound or noise source of hot devices, such as gas turbines and automotive engines and exhaust systems. Preamplifier can be used with Smart Transducer interface, which is in accordance with IEEE 1451.4 standard. In addition, Model 1706 can be used in combination with free-field or diffuse-field ½ in. microphone, where data... Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Acoustic Measurement Microphones feature prepolarized design.

September 10, 2012

Consisting of microphone and preamplifier combinations, ¼ in. Models 378C01 and 378C10 measure frequencies to 100 kHz and amplitude to 165 dB. Free-Field Model 378C01 is suitable for automotive and aerospace noise source location and array applications, while Pressure Response Model 378C10 is typically used in noise absorption applications within impedance tubes, or general noise testing in... Read More

Electronic Components & Devices

Preamplifiers enable high-performance, low-power HDDs.

November 22, 2011

Delivering operating speeds of up to 5.0 Gbps, TrueStore® PA5100 and PA5200 low-power preamplifier integrated circuits (ICs) accommodate needs of notebook, desktop, and enterprise HDD markets. HDD manufacturers gain flexibility to deploy common IC capable of serving all HDD market segments, from 5.4K rpm notebook through 15K rpm enterprise HDDs. While PA5200 write driver uses dual-power... Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Microphone and Preamplifier allow testing to +120°C.

August 3, 2011

Combining condenser microphone and preamplifier, Model HT378B02 helps overcome high temperature testing challenges associated with acoustic measurements in environmental chambers or other high temperature applications. Unit is used by test engineers to measure sound pressure amplitude and perform frequency analysis to minimize noise, identify resonance frequencies, and preserve human hearing.... Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Free-Field Microphone, Preamplifier offer TEDS capabilities.

January 20, 2011

As combined ½ in. free-field pressure microphone and iTEDS enabled preamplifier (per IEEE 1451.4) set, Endevco® model EM46AE is designed for general-purpose and larger channel count precision acoustic measurements. Condenser microphone and preamplifier are both constructed of stainless steel and calibrated together. With frequency response from 3.15 Hz to 20 kHz and dynamic range of 14 dBA... Read More

Electronic Components & Devices, Sensors Monitors & Transducers

Combined Microphone/Preamplifier suit various testing applications.

August 11, 2010

Endevco® model EM46BD combines ¼ in. ISOTRON® pressure microphone and TEDS-enabled preamplifier in preassembled kit that is constructed of stainless steel. Designed to IEC 61094 Class 1 standard, microphone has 10 Hz to 70 kHz audio frequency range and wide dynamic range. Device uses TEDS technology that allows for microphone and preamplifier to be recognized by smart-transducer... Read More

Electronic Components & Devices

ICP Microphone Preamplifier Characterized by Low Noise Floor

April 2, 2010

Toronto, Canada - GAO Tek Inc. (www.GAOTek.com) is offering its ICP microphone preamplifier designed to amplify a low-level signal to line-level. It can be used with both pre-polarized and extremely polarized microphones. The microphone preamplifier is specifically used for multi-channel signal analysis setup with 1/2' pre-polarized condenser microphones, multi-channel sound power measurements... Read More

Electronic Components & Devices

Transimpedance Amplifier receives nanoamp signals.

December 9, 2009

Designed for laser-based distance-measurement applications, Model MAX3806 can receive input signal as low as 42 nAP-P and amplify it to range required by differential ADCs, while handling overload signals up to 2 mAP-P. Pin-selectable gain setting of 30 kW or 60 kW allows MAX3806 to achieve typical bandwidths of 98 MHz and 49 MHz,... Read More

Electronic Components & Devices

Microphone Preamplifier provides 4 digital outputs.

October 20, 2009

Comprising low-noise differential audio preamplifier and digital preamplifier controller, THAT1570/5171 Chipset features 130 dB dynamic range when operating from ±17 V supplies. Gain can be programmed over 56 1-dB steps from 13.6-68.6 dB. Servo minimizes dc offset, while zero crossing detector minimizes gain-switching noise. Housed in 4 x 4 mm QFN16 package, device features low noise of 1.5... Read More

Electronic Components & Devices, Sensors Monitors & Transducers, Test & Measuring Instruments

Motion Sensors, Inc. Announces ATEX Certified Speed Sensors with Ambient Temperature Rating up to 80C

April 28, 2009

Elizabeth City, NC, April 21, 2009 - Motion Sensors, Inc. announces an update to its ATEX certifications for amplified, hall effect and magnetoresistive speed sensors to include an ambient temperature range from -40 to 80C. The certification also includes a line of stand-alone preamplifiers for use in speed sensing applications. These sensors are ATEX certified to Ex ia IIC or IIA T4 or T2 and... Read More

Electronic Components & Devices, Sensors Monitors & Transducers, Test & Measuring Instruments

Acoustic Measurement System operates up to 120°C.

April 1, 2009

Consisting of IEC-compliant microphone and preamplifier system, ½ in. Model HT378B02 can be used by test engineers to measure sound amplitude in Pascals or Decibels and perform frequency analysis. Low-noise acoustic measurement system is suited for obtaining measurements in and around vehicle's engine, manifold, underhood, exhaust pipe, and other hot spots associated with powertrain and... Read More

Electronic Components & Devices, Optics & Photonics

Photodiode Preamplifier is suited for fluorescence detection.

November 17, 2008

Blue/green enhanced silicon photodiode preamplifier, ODA-6WB-500M, operates between 400-1,100 nm, with peak spectral frequency at 940 nm. Sensitivity response is 140 V/µW (min 100), typ, at 450 nm. Transimpedance gain is 500 Mohm, with custom gains available upon request. Hermetically sealed in 6 mm² TO-39 housing, device operates in -25 to 100°C temperatures and is suited for... Read More