Amplifiers

Image Part Number Description / PDF Quantity Rfq
SCM7B47J-02

SCM7B47J-02

Dataforth

ISOL LINEARIZED THERMOCOUPLE MOD

18

SCM7B37R-05A

SCM7B37R-05A

Dataforth

NON-LINEAR ISO THERMOC IN-MODULE

0

SCM9B-1122

SCM9B-1122

Dataforth

SENSOR-TO-COMPUTER MODULE (VOLT)

0

DSCA33-02A

DSCA33-02A

Dataforth

SIGNAL CONDITIONER TRUE RMS DIN

0

CC701HT

CC701HT

Wilcoxon (Amphenol Wilcoxon Sensing Technologies)

IN-LINE CHARGE CONVERTER 4 MV/PC

0

DSCA33-04

DSCA33-04

Dataforth

SIGNAL CONDITIONER TRUE RMS DIN

3

DSCA30-03

DSCA30-03

Dataforth

SIGNAL CONDITIONER V-IN DIN RAIL

1

8B50-05

8B50-05

Dataforth

VOLTAGE INPUT MODULE, 20KHZ BW

5

SCM9B-D143

SCM9B-D143

Dataforth

SENSOR-TO-COMPUTER MOD DIN (RTD)

0

DSCA40-06

DSCA40-06

Dataforth

VOLTAGE IN MODULE WIDE BW DIN

0

DSCA32-02E

DSCA32-02E

Dataforth

SIGNAL CONDITIONER I-IN DIN RAIL

4

SCM5B40-07

SCM5B40-07

Dataforth

ANALOG V-INPUT MODULE WIDE BW

0

SCM5B45-04

SCM5B45-04

Dataforth

FREQUENCY INPUT MODULE

1

DSCA43-02

DSCA43-02

Dataforth

GENERAL PURP. SIGNAL CONDITIONER

6

DA102S

DA102S

ifm Efector

SAFE STANDSTILL MONITOR FOR UNDE

0

8B45-01

8B45-01

Dataforth

FREQUENCY INPUT MODULE

14

SCM9B-1321

SCM9B-1321

Dataforth

SENSOR-TO-COMPUTER MODULE (TC)

0

DSCA47K-13C

DSCA47K-13C

Dataforth

LINEAR. THERMOC. SIG CONDITIONER

4

SCM9B-1252

SCM9B-1252

Dataforth

SENSOR-TO-COMPUTER MODULE (CURR)

2

E35060

E35060

ifm Efector

MEASURING HEAD FOR INFRARED TEMP

0

Amplifiers

1. Overview

Amplifiers are electronic devices that increase the amplitude of input signals while maintaining signal integrity. They play a critical role in sensor signal conditioning, transducer output enhancement, and data acquisition systems. Modern applications require amplifiers to handle diverse signal types (analog/digital, voltage/current) with high precision and efficiency in fields like IoT, industrial automation, and medical electronics.

2. Major Types and Functional Classification

TypeFunctional CharacteristicsApplication Examples
Voltage AmplifiersHigh voltage gain, medium input impedanceAudio systems, sensor signal conditioning
Current AmplifiersHigh current gain, low output impedanceMotor drivers, power systems
Transimpedance AmplifiersConverts current to voltage with precisionPhotodiode sensors, optical receivers
Instrumentation AmplifiersDifferential input with high CMRRMedical devices, industrial sensors
Power AmplifiersHigh output power capabilityRF transmitters, audio equipment

3. Structure and Components

Typical amplifier architecture includes: - Housing: Metal/plastic enclosure for EMI shielding - Circuit Board: Contains operational amplifiers (op-amps), resistors, capacitors - Input/Output Terminals: Screw/banana connectors or PCB pads - Power Supply Circuitry: Voltage regulators and filtering components - Thermal Management: Heat sinks or cooling fans for high-power models Modern IC-based designs integrate multiple stages in single chips with digital calibration features.

4. Key Technical Specifications

ParameterDescriptionImportance
Gain (dB)Signal amplification ratioDetermines output strength vs input
Bandwidth (Hz)Frequency range of operationAffects signal fidelity
Input Impedance ( )Resistance to input signal sourcePrevents signal source loading
Output Noise (nV/ Hz)Unwanted signal generationCritical for precision measurements
Power Supply Rejection Ratio (PSRR)Noise suppression from power sourceEnsures stable operation

5. Application Fields

Key industries include: - Industrial Automation: Pressure sensor signal amplification - Medical Equipment: ECG machine signal conditioning - Telecommunications: RF signal boosting - Automotive: Engine control unit (ECU) sensor interfaces - Scientific Instruments: Spectrometer data acquisition

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
TI (Texas Instruments)LMH66291.5GHz bandwidth, 0.1dB gain flatness
Analog DevicesAD8421160dB CMRR, programmable gain
STMicroelectronicsTSV99116MHz GBWP, rail-to-rail I/O
Maxim IntegratedMAX4468Audio amplifier with low THD

7. Selection Guidelines

Key considerations: 1. Required gain vs bandwidth trade-off 2. Source/load impedance matching 3. Operating temperature range (-40 C to +125 C typical) 4. Power supply constraints (single/dual rail) 5. Noise tolerance for precision applications 6. Physical size and thermal management needs

8. Industry Trends

Current development directions include: - Integration with ADCs and digital interfaces (e.g., I2C) - Development of MEMS-based amplifiers for IoT - Advancements in Class-D amplifier efficiency (>90%) - AI-driven adaptive amplification algorithms - Photonic integrated circuit amplifiers for 5G+ communications

RFQ BOM Call Skype Email
Top