Filter Module for Signal Conditioning

Product Specifications

Technical details and manufacturing context for Filter Module

Definition

The Filter Module is an electronic component integrated into signal transmitters and conditioners that processes incoming signals by attenuating unwanted frequencies while allowing desired frequencies to pass through. It plays a critical role in signal conditioning by reducing noise, eliminating interference, and shaping the signal spectrum to meet system requirements before transmission or further processing. The module is designed for use in computer, electronic, and optical product manufacturing, where signal integrity is paramount. It is typically mounted on a printed circuit board (PCB) and utilizes a combination of resistors, capacitors, inductors, and semiconductor devices such as operational amplifiers or transistors to achieve its filtering function. The module supports a wide operating frequency range from 0.1 to 1000 MHz, with an insertion loss of ≤1.5 dB and stopband rejection of ≥40 dB, ensuring effective filtering with minimal signal degradation. It operates with a 50 Ω impedance, standard for RF applications, and is available with SMA connectors. The module is designed to operate within a temperature range of -40 to 85 °C and can be stored between -55 and 125 °C. It can handle input power from 1 to 10 W, and for active versions, requires a 5 V DC supply (±10%) with a current consumption of ≤50 mA. The compact dimensions of 20×15×10 mm and weight of ≤20 g make it suitable for portable equipment. The module is rated IP54 to IP65 for protection against dust and water jets, per IEC 60529. It operates in non-condensing humidity from 0 to 95% RH. As a directory listing, these values are reference ranges; actual performance must be verified with the manufacturer for specific models.

Working Principle

The Filter Module operates based on electronic circuit principles using combinations of resistors, capacitors, inductors, and/or operational amplifiers configured to create specific frequency response characteristics. Depending on the design, it can implement low-pass, high-pass, band-pass, or band-stop filtering functions through passive or active circuit topologies that attenuate signals outside the desired frequency range while maintaining signal integrity within the passband. The selection of components and topology determines the cutoff frequencies, roll-off, and impedance matching. Active filters use op-amps to provide gain and sharper transitions, while passive filters rely solely on reactive components. The module's performance is characterized by parameters such as insertion loss, stopband rejection, and operating frequency range, which are specified in the directory. Proper operation requires correct impedance matching and adherence to environmental limits.

Common Materials

Printed Circuit Board (PCB), Electronic Components (Resistors, Capacitors, Inductors), Semiconductor Devices (Op-amps, Transistors)

Technical Parameters

Parameter	Typical range	Notes & selection driver
Operating Frequency Range	0.1–1000 MHz	Defines passband; outside this range signal is attenuated.
Insertion Loss	≤1.5 dB	Lower is better for signal integrity.
Stopband Rejection	≥40 dB	Attenuation in stopband; higher is better.
Impedance	50 Ω	Standard RF impedance; mismatch causes reflections.
Operating Temperature Range	-40–85 °C	Outside this range performance may degrade.
Storage Temperature Range	-55–125 °C	Non-operating survival range.
Input Power Handling	1–10 W	Maximum continuous RF power; exceeding may damage.
Supply Voltage	5 ±10% V DC	For active filter modules.
Current Consumption	≤50 mA	At nominal supply voltage.
Connector Type	SMA	Common RF connector; other types available.
Dimensions (L×W×H)	20×15×10 mm	Compact size for PCB mounting.
Weight	≤20 g	Lightweight for portable equipment.
Humidity Range	0–95 % RH	Non-condensing; condensation may cause short.
IP Rating	IP54–IP65	Protection against dust and water jets.IEC 60529

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

Filter Circuit
Implements the frequency selection function through electronic components

Material: PCB with mounted components
Input/Output Connectors Part
Provides electrical interface for signal input and output connections

Material: Metal (typically brass or phosphor bronze)
Housing/Enclosure Part
Protects the filter circuitry from environmental factors and electromagnetic interference

Material: Metal (aluminum or steel) or plastic
Operational Amplifier Optional
Gives the filter gain and a sharper roll-off, on active-filter versions.

Applied To / Applications

This component is essential for the following industrial systems and equipment:

Signal Transmitter/Conditioner

View system integration details

Manufacturers of Filter Module

1 company lists this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Jianen Sanitary

Wenzhou, Zhejiang, CN

Founded 2009

3A CE ISO9001 SGS

Also makes: Dairy Flow Control Diaphragm Valve, Sanitary Pressure Relief Valve, Centrifugal Pump and 9 more

Listed on the company's own website · profile compiled by CNFX from public sources

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Frequently Asked Questions

What is the operating frequency range of the filter module?

The directory lists an operating frequency range of 0.1 to 1000 MHz. However, this is a reference range; the actual range for a specific model must be confirmed with the manufacturer or supplier.

What is the insertion loss and stopband rejection?

The insertion loss is ≤1.5 dB, and stopband rejection is ≥40 dB. These values indicate the signal loss in the passband and attenuation in the stopband, but they are typical reference values and should be verified for the exact model.

What are the environmental limits for operation and storage?

The operating temperature range is -40 to 85 °C, and storage temperature range is -55 to 125 °C. The module is rated IP54 to IP65 for dust and water protection, and operates in non-condensing humidity from 0 to 95% RH. Always check the datasheet for specific limits.

What power handling and supply requirements does the module have?

The module can handle input power from 1 to 10 W. For active versions, it requires a 5 V DC supply (±10%) and consumes ≤50 mA. These are reference values; confirm with the manufacturer for your application.

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
temperature:	-40°C to 85°C
frequency range:	DC to 10 MHz
signal amplitude:	±10V max

Filter Module

Product Specifications

Applied To / Applications

Industrial Ecosystem & Supply Chain Structure

Application Fit & Sizing Matrix

Reliability & Engineering Risk Analysis

Compliance & Manufacturing Standards