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Communication Systems & Equipment ->
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Low Noise Amplifiers
Low Noise Amplifiers
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 Current Amplifier measures in femto to pico Ampere range.Laser Components, inc.
Santa Rosa, CA 95403
Nov 23, 2009
FEMTO DDPCA-300 variable gain ultra low noise current amplifier has switchable gain from 104-1013 V/A. It features noise input of 0.4 fA/sq-rt Hz min, allowing measurement of currents in femto to pico Ampere range. Dynamic range is 240 dB. Product is available in miniaturized, rugged aluminum housing designed to optimize EMI shielding, and features adjustable voltage directly on amplifier input for DUT biasing, and remote interface.
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Plenum Amplifier suits commercial/educational environments.Roemtech, LLC
Lewisville, TX 75057
Nov 09, 2009
Compact, 18 V, 45 W, plenum rated amplifier/mixer, model PlenumAmp PMA-245 accepts both RCA and 3.5 mm stereo inputs. With independent mixer volume controls for each source, unit is designed for use with data projectors. Built-in noise filtration circuitry ensures clear audio performance. Measuring 5.43 x 1.65 x 4.80 in., chassis features heat-sink to dissipate heat effectively.
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Audio Op Amp delivers low noise and distortion.Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Sep 21, 2009
Housed in SO-8 package, Model OPA1612 achieves 1.1 nV √Hz noise density with ultra-low distortion of 0.000015% at 1 kHz. Rail-to-rail output swing to within 600 mV with 2 W load maximizes dynamic range. Featuring wide supply range of ±2.25 to ±18 V from 3.6 mA of supply current per channel, dual-channel, bipolar-input op amp is suited for professional audio and broadcast studio equipment, microphone pre-amplifiers, and A/V receivers.
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 Amplifier suits automotive entry/tire pressure monitoring.Maxim Integrated Products
Sunnyvale, CA 94086
Aug 17, 2009
Operating in 315 and 433 MHz bands, MAX2634 is designed for remote keyless entry and tire pressure monitoring applications. It consumes 2.5 mA of supply current and eshibits 1.25 dB noise. Logic-enabled shutdown reduces supply current to under 1 µA. Contained in 2.0 x 2.2 mm, 6-pin SC70 package, amplifier operates from 2.2-5.5 V supply and is specified over -40 to +125°C temperature range. MAX2634 is fully qualified to meet certification requirements of AEC-Q100 standard.
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Dual Ultra-Low-Noise Amplifier features selectable gain.Analog Devices, Inc.
Norwood, MA 02062-9106
Aug 11, 2009
Available with active impedance matching, Model AD8432 is suited for high channel count communications and medical applications that require up to 200 MHz of bandwidth. Single-ended-input amplifier operates on single 5 V supply and provides differential output optimized to drive I/Q demodulators and phase shifters. Housed in 4 x 4 mm package, amplifier operates from -40 to +85°C and offers selectable gains of 4, 8, 12, or 16 via pin-strapping options.
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GPS LNA Module features integrated SAW filter.RF Micro Devices, Inc.
Greensboro, NC 27409-9421
Feb 13, 2009
Designed for use in GPS receivers, Model RF2815 integrates low noise amplifier with low noise figure of 0.85 dB, surface acoustic wave filter, and supporting components in 3.3 x 2.1 x 1.0 mm, RoHS-compliant module. Unit features 13.5 dB gain, +8 dBm IIP3, and CMOS-compatible shutdown mode. Current consumption is tunable via single resistor. With both cellular- and PCS-band rejection characteristics, SAW filter equips module for non-concurrent and simultaneous GPS operation.
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IF Amplifier is digitally programmable.Linear Technology Corp.
Milpitas, CA 95035-7417
Jan 08, 2009
Featuring 48 dBm OIP3 (output 3rd order intercept) at 200 MHz, LT5554 enables high dynamic range performance in ADC systems. It settles in less than 5 ns from gain change, while gain is digitally controlled from 2-18 dB by 7-bit parallel word, producing 0.125 dB steps gain control granularity. Powered from single 5 V supply, unit draws nominal supply current of 200 mA, has gain accuracy of ±0.1 dB from -40 to 85°C, and comes in 32-lead, 5 x 5 mm QFN surface mount package.
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Amplifier features programmable gain and offset.Texas Instruments, Inc. (TI)
Dallas, TX 75243-4136
Dec 03, 2008
Incorporating one-wire, UART-compatible digital serial interface, PGA308 amplifies sensor signal and provides digital calibration for zero and span. Using auto-zero techniques, device achieves precision and noise over extended industrial temperature range of -40°C to +125°C and has operating voltage of 2.7-5.5 V. Amplifier can store 7 banks of one-time programmable memory of gain and offset calibration parameters.
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 Amplifier offers voltage range of -150 to +150 V.Falco Systems
Amsterdam 1082 LV Netherlands
Oct 15, 2008
Model WMA-280 provides voltage precision of 20.0 x amplification ±0.1%, low output noise of 300 microV rms, and bandwidth of DC - 100 kHz. It can be used for precise positioning of MEMS devices, with EO-modulators, as piezo driver, beam steering components, and ultrasonics. Allowing to be interfaced with all common voltage sources and generators, unit can be used both differentially and with its standard BNC input connector.
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 Amplifier has switchable high gain of 1,012 and 1,013 V/A.Laser Components, inc.
Santa Rosa, CA 95403
Oct 08, 2008
Featuring low noise current of 0.18 fA/square root of Hz, Model LCA-2-10T allows measurement of currents in femto to pico Amp range. It comes in miniaturized, rugged aluminum housing that optimizes EMI shielding. Unit is suited for amplification of small currents close to DC generated by high impedance sources such as photodiodes, PMTs, ionization, and particle detectors. Applications include spectroscopy, photodiode amplification, A/D converters, and digital voltmeters.
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Differential Amplifiers can drive 14- and 16-bit ADCs.Analog Devices, Inc.
Norwood, MA 02062-9106
Aug 15, 2008
Consuming less than 120 mW of power on single 3.3 V supply, single channel ADA4939-1 and dual channel ADA4939-2 differential amplifiers achieve 82 dB SFDR at 70 MHz. Operating over -40 to 105°C temperature range for both 3.3 and 5 V operation, units feature input voltage noise of 2.3 nV/rt Hz, -3 dB bandwidth of 1.4 GHz, and slew rate of 5,000 V/µS. Model ADA4939-2 can drive dual ADCs used in I/Q demodulation schemes, and offers low cross-talk of -80 dB at 100 MHz.
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 Low Noise Amplifiers offer optimal IP3 headroom.Endwave Corporation
San Jose,, CA 95134
Aug 11, 2008
Drawing 425 mA from 12 V supply, Models JCA02-4000, JCA24-4001, and JCA48-4000 feature frequency bands of 0.5-2, 2-4, and 4-8 GHz, respectively. Units offer noise figures under 2 dB up through C-Band, output P1dB levels of +24 dBm, and output IP3 headroom levels of 15 dB or greater above output P1dB compression point. In addition, LNAs deliver saturated output power levels approaching +27 dBm, I/O return loss of 11 dB min across operating bandwidth, and signal gain of 35 dB or more.
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 Broadband Amplifier covers 100 MHz to 6 GHz frequency range.Crystek Corporation
Ft. Myers, FL 33913
Aug 04, 2008
Housed in 1.25 x 1.25 x 0.59 in. aluminum enclosure with 3 SMA connectors, Model CRBAMP-100-6000 RedBox is low-noise general purpose connectorized amplifier featuring signal gain of 18 dB with output power of 17 dBm (P1dB). It also features typical noise figure of 3.5 dB with IP3 of +30 dBm. Suited for IF or RF buffer amplifiers, base stations, high-reliability applications, and general lab use, unit operates from single +5 V supply consuming only 60 mA.
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Amplifier suits cable set-top boxes and digital TV tuners.RF Micro Devices, Inc.
Greensboro, NC 27409-9421
Jul 07, 2008
Operating on single 5 V supply, CXE-1089Z GaAs pHEMT Low Noise Amplifier utilizes Darlington configuration and features active bias circuitry, which stabilizes bias current across changes in threshold voltage related to temperature and process variation. Unit features typical noise figure of 2.8 dB, CTB of -79 dBc, and CSO of -66 dBc at 110 channels. Housed in SOT-89 package, amplifier provides gain response of 13 dB ±0.4 dB over 50-1,000 MHz.
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Programmable Gain Amplifier is optimized for DOCSIS 3.0.Anadigics, Inc.
Warren, NJ 07059
Jul 03, 2008
Operating in 5-85 MHz frequency range, Model ARA2017 supports DOCSIS 3.0-specified signal levels of +64 dBmV while minimizing harmonic distortion and output noise levels. Linear amplifier features 33 dB of RF gain at minimum attenuation, and includes digitally controlled, multi-stage precision step attenuator that provides up to 58 dB of attenuation in 2 dB increments. Requiring single 5 V supply, device is offered in 28-pin 5 x 5 x 1 mm QFN package.
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Dual-Mode VHF-to-UHF LNA is designed for portable systems.Toshiba America Electronic Components (TAEC)
Irvine, CA 92618-1811
Mar 27, 2008
Supplied in 6-pin CST package, TA4029CTC low noise amplifier (LNA) promotes performance optimization in portable systems equipped with built-in TV tuner. Pass-through mode allows strong signals to bypass LNA to prevent degradation of received signal quality, while LNA mode amplifies weak signals to improve reception sensitivity. Another feature, LNA shutdown capability, reduces power consumption by shutting down LNA in pass-through mode.
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 Preamplifier has -0.06 dB attenuation factor.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.
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 Array Amplifier uses far field noise suppression technology.National Semiconductor Corp.
Santa Clara, CA 95051-0695
Mar 07, 2008
Eliminating output frequency distortions and other audio artifacts, PowerWise LMV1088 dual-input microphone array amplifier delivers natural-sounding voice quality in mobile phones, 2-way radios, and powered headsets. Offered in 3.5 x 3.5 mm, 36-bump micro SMDxt package, it draws only 1 mA of supply current, and has power supply rejection ratio of 85 dB at 1 kHz with typical signal-to-noise ratio of 60 dB and less than 1% total harmonic distortion plus noise.
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 Tunable Low Noise Amplifiers achieve less than 1 dB.Tyco Electronics Corp.
Harrisburg, PA 17105-3608
Feb 29, 2008
Developed on LH3 0.5 µm pHEMT process and supplied in RoHS-compliant SOT-26 SMT plastic package, M/A-COM MAAL-007304 and MAAL-007306 have noise figures less than 1 dB across respective designed frequency ranges of up to 3 or 2 GHz. They employ monolithic, 2-stage, self-biased design and operate from one 3.0 V supply. Supplied in RoHS-compliant SC-70 SMT plastic package, MAAL-008550 employs single-stage self-biased design and achieves 0.75 dB noise figure up to 2.3 GHz.
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LNA is suited for GPS, Galileo, and GLONASS applications.Maxim Integrated Products
Sunnyvale, CA 94086
Nov 26, 2007
Model MAX2659 low-noise amplifier achieves 20.5 dB gain and low noise figure of 0.8 dB while maximizing input-referred 1 dB compression point and third-order intercept point at -12 and -2 dBm, respectively. It operates from +1.6 to +3.3 V single supply, consumes 4 mA, and reduces supply current to less than 1 µA in shutdown mode. Available in 1.5 x 1.0 x 0.75 mm, leadless, 6-pin DFN package, unit is specified over -40 to +85°C temperature range.
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Intersil Corporation - July 2, 2007 Intersil Achieves 1nV Noise Performance in a Single-Supply Op Amp
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