Go to GlobalSpec.com Home
 

Free Registration 
GlobalSpec Home
Newsletter   FREE GlobalSpec e-Newsletters
Receive the latest news, trends, and technology relevant to your work.
(See Titles)
Find Products and Suppliers for
Signal Amplifiers
 
Research
Signal Amplifiers
See All Engineering Web Results for Signal Amplifiers
Limit your Web search to:

Signal Amplifiers

Find Signal Amplifiers Manufacturers

Find Signal Amplifiers by Specification:
More Specifications >>

About Signal Amplifiers

Signal amplifiers are electronic devices that receive and amplify signals for processing or digitization. They produce only a small amount of internal noise and increase signal strength by a significant factor. Signal amplifiers often include field-effect and bipolar junction transistors, electronic components that amplify signals without producing significant amounts of thermal noise. They also include one or more operational amplifiers. Signal inputs include AC and DC voltages, AC and DC currents, charges from piezoelectric devices, and frequencies and other specialized waveforms. Some signal amplifiers receive inputs from accelerometers, thermocouples, thermistors, resistance temperature detectors (RDTs), strain gauges, or bridges. Other devices receive signals from linear rotary differential transformers (LVDTs) and rotary variable differential transformers (RVDTs).

Device specifications for signal amplifiers include the number of analog channels and the number of differential channels. When single-ended outputs are available, suppliers often specify the maximum number of analog channel outputs as twice the number of differential outputs. Differential channels, which have two inputs, define the voltage as the signal to process between the two inputs. Other device specifications for signal amplifiers include maximum output voltage, gain range, bandwidth, and input impedance. Gain, the factor by which input signals are multiplied, is frequently greater than unity; however, gain can be fractional when a reduction (attenuation) of signal amplitude is desired. Bandwidth, the difference between the high and low limits of the frequency response, is a measurement that is typically defined by a variation from a nominal value by a stated value such as 3 dB. Impedance, the resistance to alternating signal flow, is a result of the resistance, capacitance, and inductance of a device’s circuitry. For signal amplifiers, input impedance is typically specified as much greater than the impedance of the devices whose signals are amplified.  

More >>

Products & Services Related to Signal Amplifiers

Current Loop Converters
Current loop converters convert an analog or digital signal to a current loop output such as 4-20 mA or 0-20 mA.
Current-to-Voltage Converters
Current-to-voltage converters scale and convert current signal input to the desired output voltage range.
Data Acquisition Input Modules
Data acquisition input modules accept sensor and other signal output for data acquisition systems. They may include signal conditioning prior to the analog-to-digital conversion stage.
Data Acquisition Output Modules
Data acquisition output modules or cards transfer amplified, conditioned, or digitized signals.
LVDT and RVDT Signal Conditioners
Linear variable differential transformer (LVDT) and rotary variable differential transformer (RVDT) signal conditioners are devices that translate the linear or rotary movement of a ferromagnetic armature into an AC voltage that is proportional to the armature position.
Sensor Transmitters
Sensor transmitters are measurement or signal conditioning packages that provide a standard, calibrated output from a sensor or transducer in the form of a current loop output (e.g., 4-20 mA).
Voltage Converters and Voltage Inverters
Voltage converters and voltage inverters accept voltage input and provide a scaled voltage output. Conversion types include scaling up a low-level signal, voltage doubling, and inversion (converting a positive voltage to negative and vice versa).

Engineering Web: Signal Amplifiers

Pages: 1 - 3 of 348

AMPLIFIERS FOR SIGNAL CONDITIONING SECTION 3 AMPLIFIERS FOR...
AMPLIFIERS FOR SIGNAL CONDITIONING SECTION 3 AMPLIFIERS FOR SIGNAL CONDITIONING Walt Kester, James Bryant, Walt Jung INTRODUCTION This section
See Analog Devices, Inc. Information
National?s Latest Differential Amplifiers Drive New 12-Bit, 65...
National?s Latest Differential Amplifiers Drive New 12-Bit, 65 MSPS ADCs for Excellent Signal Conditioning and Acquisition
See National Semiconductor Information
Power Management ICs, Power Semiconductors, Signal Path ICs,...

See Fairchild Semiconductor Corporation Information
More >>

Part Numbers for Signal Amplifiers

Part # Distributor Manufacturer Product Category Description
34.243.0012.0 Newark WIELAND ELECTRIC Toggle Signal Conditioning, Isolation Amplifiers; Circuitry:Dpst; Contact Current Max:8A; Leaded Process Compatible:No; Peak Reflow Compatible (260 C):No
BA7625 Newark MCM All Supplier Direct Ship IC, Video Signal Switcher For AV Amplifiers, Number of Inputs: 5, Package: 16 Pin DIP, Voltage: 4.5-5.5 V
LH0094CD AmericanMicroSemi AMS Not Provided Linear ICs:Analog Signal Conditioners:Log/Antilog Amplifier
ADS62P45EVM Newark TEXAS INSTRUMENTS Development & Emulation Too ADS62P45 Evaluation Module; Development Tool Type:Hardware - Eval/Demo Board; Supported Devices:ADS62P45; Tool/Board Application:Analog/Mixed Signal-Amplifier, A/D Converter, D/A Converter
AV400COMP Newark CABLE ELECTRONICS All Supplier Direct Ship Ce Labs Component Video Distribution Amplifier, Four Way Audio/Component-Video Distribution Amplifier, Features: High Performance, Low Distortion, One-To-One Signal Ratio, Cascadable, Enclosed In Metal Housing To Reduce Interference

More >>
View Specifications
Supplier Data Sheets
Featured Products
Data Acquisition and Signal Conditioning Home