Brüel & Kjær    Norcross, GA 30071-1588
Feb 01, 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 of preamplifier/microphone combination are stored in transducer electronic data sheet.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Sep 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 cavities or small enclosures. Both are powered by 2-20 mA signal conditioner and standard coaxial cables.

LSI Logic Corp.    Milpitas, CA 95035
Nov 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 design, PA5100 write driver operates from single power supply.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Aug 03, 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. Typical applications include automotive engine testing, aerospace engine tests, and pump analysis.

Meggitt Sensing Systems (Endevco Corp.)    San Juan Capistrano, CA 92675
Jan 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 to 135 dB, set is designed according to IEC 61094 Class 1 standard guidelines.

Meggitt Sensing Systems (Endevco Corp.)    San Juan Capistrano, CA 92675
Aug 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 compatible input module. Unit is suited for aerospace, automotive, and general laboratory testing applications.

Maxim Integrated Products    Sunnyvale, CA 94086
Dec 09, 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, respectively. Operating from single 5.0 V supply, amplifier features dynamic range of 42 nAP-P to 40 µAP-P.

Micro-Epsilon UK Ltd    Cheshire   United Kingdom
Oct 26, 2009 Max distance of 3 m between sensor and capaNCDT 6500 can be bridged without pre-amplifier. If larger distances are required, DL6510 demodulator unit is used instead of standard plug-in module. Pre-amplifier is then connected between electronics unit and sensor, amplifying sensor signal with minimal noise component. Miniature amplifier CP 6001 is used for multi-channel applications without max output requirements, and CPM 6011 can be replaced in existing measurement channel with CP 6001.

That Corp.    Milford, MA 01757
Oct 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 nV/√Hz at 68.6 dB gain, THD+N of 0.0003% at 21.6 dB gain, and 1.8 MHz bandwidth at 40.6 dB gain.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Apr 01, 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 vehicle systems NVH testing.

Opto Diode Corp.    Newbury Park, CA 91320
Nov 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 fluorescence detection and low-light-level medical diagnostic applications.

Opto Diode Corp.    Newbury Park, CA 91320
Jul 01, 2008 Hermetically sealed in TO-39 can for integration into new or existing systems, 5 mm² Model ODA-5WB-100K offers wavelength response of 28 V/mW at 450 nm, responsivity range from 400-1,100 nm, and peak spectral response of 940 nm. Blue/green-enhanced device features storage and operating temperatures from -25 to +100°C, and is suited for industrial and biomedical applications, such as fluorescence and phosphorescence.

LSI Corp. of America    Minneapolis, MN 55441
Jun 19, 2008 Usable in both 2.5 and 3.5 in hard disk drives, PA8800 preamplifier utilizes silicon-germanium processes to deliver operating speeds at 3.3 Gpbs with low power consumption. Power-saving features help decrease heat dissipation for greater drive reliability.

Opto Diode Corp.    Newbury Park, CA 91320
Mar 21, 2008 Supplied in hermetically-sealed TO-39 package, NIR/Red Enhanced 6 mm² ODA-6W-500M Photodetector-Preamplifier features high gain in low light environments. Low-light, high-sensitivity component has active area that operates in NIR wavelength with response at 940 nm (typically 315 V/µW, min 290). Based on shielded amplifier electronics, standard unit offers 500 Mohm gain. Custom gains are available based on application specifications.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Mar 19, 2008 Designed for NVH powertrain and vehicle underhood testing applications, Model HT426E01 high temperature preamplifier operates from ICP® sensor power, terminating with BNC connector and utilizing standard coaxial cables. With ability to operate to +120°C, it measures ½ in., and features noise characteristics of 4.9 µV based on A-weight scale. Common automotive applications include underhood measurements, near-field measurements on manifolds, and exhaust after treatment components.

Opto Diode Corp.    Newbury Park, CA 91320
Feb 26, 2008 Suited for tight spaces, 6 mm² Model ODA-6W-100M includes shielded amplifier electronics and operates in NIR wavelength with response at 940 nm. Standard version features 500 MW gain with custom gains also available. Housed in hermetically sealed TO-39 package, infrared component's operating and storage temperature ranges from -25 to +100°C. Device is suited for applications in low pW region where discrete detector/preamplifier solutions are not sensitive enough.

Opto Diode Corp.    Newbury Park, CA 91320
Jan 25, 2008 Packaged in hermetically sealed TO-39 can, Near-Infrared (NIR) Red-Enhanced 5 mm² ODA-5W-100K Photodiode-Preamplifier combination device offers 500 MW gain. High-sensitivity, NIR wavelength response at 940 nm is 63 V/mW (typ) and 55 V/mW (min). With operating and storage temperature ranges of -25 to +100°C, product suits applications such as medical diagnostics, test and measurement, or other tasks that require low-light (under 1 mW) level detection.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Aug 15, 2007 Designed for 2D pressure mapping, holography, trending, and frequency analysis, Model 130D22 is combined ICP® free field response pre-polarized array microphone and preamplifier that measures sound pressure levels and frequencies in audible range. It features SMB connector that offers seamless transition for data acquisition systems and software set-ups. Unit can be used simultaneously with ICP® accelerometers, has 45 mV/Pa sensitivity, and utilizes coaxial cables.

PCB Piezotronics Inc.    Depew, NY 14043 2495
Oct 05, 2006 Operating from ICP® Sensor Power, ½ in. Model 426A11 provides automotive and aerospace noise source identification and in-cabin testing. It allows user to select 0 or +20 dB of gain and either 20 Hz high pass filter or A-weighted filter output response. A-weight filter attenuates signals less responsive to human ear, normally below 1 kHz and above 4 kHz, while high pass filter eliminates low frequencies that consume dynamic range and overload output signals.

STMicroelectronics    Lexington, MA 02421
Aug 29, 2006 Designed for drives with less than 2.5 in. diameter platters, Near Zero Power (NZP) series model L6440 has total Write-Mode power consumption of 170 mW at 450 Mbps data rate and supports max data rate of 600 Mbps. Hard disk drive (HDD) preamplifiers reduce overall power requirements by remaining in sleep mode even most of the time end-product is operating. Fast Sleep Mode combines 250 µW sleep power with 500 ns Sleep-to-Read recovery time.