Signal Conditioning Circuit Board

Product Specifications

Technical details and manufacturing context for Signal Conditioning Circuit Board

Definition

A signal conditioning circuit board is a specialized electronic component used in sensor arrays and industrial measurement systems. It receives raw analog signals from various sensors, such as thermocouples, strain gauges, and pressure transducers, which are often low-level, noisy, or non-linear. The board performs essential operations including amplification, filtering, isolation, linearization, and analog-to-digital conversion to prepare these signals for accurate measurement, reliable transmission to data acquisition systems, or further digital processing. Typical input signal ranges are 0–10 V, with output ranges of 4–20 mA for loop-powered systems. The board achieves full-scale accuracy of ±0.1% and supports bandwidths up to 100 kHz. It operates from a 24 V DC supply (±10%) and is rated for industrial temperatures from -40°C to 85°C, with storage from -55°C to 125°C. Humidity tolerance is 0–95% non-condensing, and ingress protection is IP54–IP65 depending on the enclosure. Isolation voltage between input and output is 1500 V RMS. The board is typically fabricated on FR-4 material (per IPC-4101) with a thickness of 1.6 mm (per IPC-2221) and weighs between 50 and 200 g. Materials include FR-4 substrate, copper traces, electronic components (resistors, capacitors, ICs), solder mask, and silkscreen. These specifications are typical for industrial sensors and must be verified for the specific model and application. The board is a component within a larger system, and its performance depends on proper integration and configuration.

Working Principle

The board receives low-level, noisy, or non-linear analog signals from sensors. It uses operational amplifiers for signal amplification, passive/active filters (low-pass, high-pass, band-pass) to remove noise, isolation circuits (optical or magnetic) to protect measurement systems, and sometimes analog-to-digital converters (ADCs) to digitize signals. It conditions signals to standardized voltage/current ranges (e.g., 0-5V, 4-20mA) compatible with data acquisition systems.

Common Materials

FR-4 PCB substrate, Copper traces, Electronic components (resistors, capacitors, ICs), Solder mask, Silkscreen

Technical Parameters

Parameter	Typical range	Notes & selection driver
Input Signal Range	0–10 V	Typical for industrial sensors
Output Signal Range	4–20 mA	Standard loop-powered output
Accuracy	±0.1 % FS	Full scale accuracy
Bandwidth	0–100 kHz	For dynamic signals
Supply Voltage	24 ±10% V DC	Typical industrial supply
Operating Temperature	-40–85 °C	Industrial grade
Storage Temperature	-55–125 °C	Extended range
Humidity	0–95 % RH	Non-condensing
Ingress Protection	IP54–IP65	Depends on enclosureIEC 60529
Isolation Voltage	1500 V RMS	Input to output
Board Material	FR-4	Standard gradeIPC-4101
Board Thickness	1.6 mm	Common thicknessIPC-2221
Weight	50–200 g	Depends on components

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Components / BOM

Circuit Board
The board itself: the substrate and copper traces that carry power and signals between the parts on it.
Operational Amplifier (Op-Amp)
Amplifies weak sensor signals to usable levels

Material: Semiconductor (silicon)
Filter Circuit
Removes unwanted noise and interference from signals

Material: Resistors, capacitors, inductors
Analog-to-Digital Converter (ADC)
Converts conditioned analog signals to digital format (if included)

Material: Semiconductor (silicon)
Voltage Regulator
Provides stable power supply to board components

Material: Semiconductor (silicon)
Connector Headers Part
Interface for sensor inputs and conditioned signal outputs

Material: Copper alloy, plastic

Manufacturers of Signal Conditioning Circuit Board

Manufacturer profiles associated with Signal Conditioning Circuit Board.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review · Page last updated 6 September 2026

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Frequently Asked Questions

What is the typical input signal range for this board?

The typical input signal range is 0–10 V, as listed in the directory. However, this is a reference range and must be confirmed for the specific model and application with the manufacturer or supplier.

What output signal does the board provide?

The board provides a standard loop-powered output of 4–20 mA. This is a common industrial standard, but the exact output configuration should be verified for the specific board model.

What is the isolation voltage between input and output?

The isolation voltage is 1500 V RMS, as specified in the directory. This is a key safety parameter, and you should confirm it with the manufacturer for your application's requirements.

What are the operating temperature limits?

The operating temperature range is -40°C to 85°C, with storage from -55°C to 125°C. These are typical industrial grades, but always verify with the manufacturer for your specific environment.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records.

Preliminary Technical Classification

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pressure:	0 to 100 psi
other spec:	Input signal range: ±10V, ±20mA; Output signal: 4-20mA, 0-10V; Power supply: 12-24VDC
temperature:	-40°C to +85°C

Product Specifications

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Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

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