Editorial Technical Reference

Receiver Circuit

This page explains how Receiver Circuit is classified within Computer, Electronic and Optical Product Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.

Technical Definition & Core Assembly

Electronic circuit within a communication transceiver that processes incoming signals.

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Product Specifications

Technical details and manufacturing context for Receiver Circuit

Definition
A receiver circuit is a critical component of a communication transceiver responsible for capturing, filtering, amplifying, and demodulating incoming radio frequency (RF) or other electromagnetic signals to extract the transmitted information. It converts the received signal into a usable format for further processing or output. This directory entry covers receiver circuits used in computer, electronic, and optical product manufacturing, typically as a part-level component. The circuit operates by first capturing the incoming signal via an antenna. This weak signal is then filtered to select the desired frequency band, amplified by a low-noise amplifier (LNA), and down-converted to a lower intermediate frequency (IF) or baseband using a mixer and local oscillator. Subsequent stages involve further filtering, amplification, and demodulation (e.g., AM, FM, or digital demodulation) to recover the original information signal from the carrier wave. Typical materials include semiconductors (silicon or GaAs), copper, FR-4 PCB substrate, and ceramic for capacitors or resonators. Reference parameters for such circuits include an operating frequency range of 0.1–6 GHz, sensitivity of -110 to -90 dBm, input impedance of 50 Ω, noise figure of 1.5–3 dB, supply voltage of 3.3–5 V DC, current consumption of 10–50 mA, operating temperature of -40 to 85 °C, humidity range of 5–95% RH, ingress protection of IP54–IP65 (per IEC 60529), dimensions of 20×15×5 mm, and weight of 2–5 g. These values are typical ranges and must be verified for the specific model and application. The circuit's performance depends on proper matching to the antenna and careful layout to minimize interference. For procurement, verify model-specific parameters and compliance with relevant standards with the legal manufacturer or supplier. The circuit is designed for integration into transceivers and requires appropriate power supply and signal conditioning. Maintenance signals include degraded sensitivity or increased noise, which may indicate component aging or damage. Failure boundaries include operation outside specified temperature, voltage, or humidity ranges, which can lead to permanent damage.
Working Principle
The receiver circuit typically operates by first capturing the incoming signal via an antenna. This weak signal is then filtered to select the desired frequency band, amplified by a low-noise amplifier (LNA), and down-converted to a lower intermediate frequency (IF) or baseband using a mixer and local oscillator. Subsequent stages involve further filtering, amplification, and demodulation (e.g., AM, FM, or digital demodulation) to recover the original information signal from the carrier wave.
Common Materials
Semiconductor (Silicon/GaAs), Copper, FR-4 (PCB substrate), Ceramic (for capacitors/resonators)
Technical Parameters
ParameterTypical rangeNotes & selection driver
Operating Frequency Range0.1–6 GHzCovers typical communication bands
Sensitivity-110–-90 dBmLower is better for weak signals
Input Impedance50 ΩMatched to antenna
Noise Figure1.5–3 dBLower improves signal quality
Supply Voltage3.3–5 V DCTypical logic levels
Current Consumption10–50 mAAt nominal supply
Operating Temperature-40–85 °CIndustrial grade
Humidity Range5–95 % RHNon-condensing
Ingress ProtectionIP54–IP65Dust and water resistanceIEC 60529
Dimensions20×15×5 mmTypical SMD package
Weight2–5 gDepends on shielding

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
  • Low-Noise Amplifier (LNA)
    Amplifies the weak incoming signal from the antenna while adding minimal additional noise.
    Material: Semiconductor (GaAs/InP HEMT, SiGe)
  • Mixer
    Down-converts the received RF signal to a lower intermediate frequency (IF) by mixing it with a signal from a local oscillator.
    Material: Semiconductor (Silicon)
  • Intermediate Frequency (IF) Filter
    Selects and shapes the desired signal at the intermediate frequency, rejecting adjacent channels and noise.
    Material: Ceramic, Surface Acoustic Wave (SAW) substrate
  • Demodulator
    Extracts the baseband information signal (e.g., audio, data) from the modulated carrier wave.
    Material: Semiconductor (Silicon)
  • Local Oscillator
    Supplies the frequency the mixer beats against; without it there is no down-conversion.

Application & selection

Application Fit & Sizing Matrix

Operational Limits
voltage: 3.3V to 5V DC
temperature: -40°C to +85°C
signal frequency: DC to 2.4 GHz
Media Compatibility
✓ RF communication signals ✓ digital data streams ✓ analog audio/video signals
Unsuitable: high-voltage power transmission lines
Sizing Data Required
  • input signal frequency range
  • required signal-to-noise ratio (SNR)
  • power supply voltage and current constraints

Risk, maintenance & compliance

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Corrosion-induced leakage
Cause: Exposure to moisture, corrosive gases, or incompatible fluids leading to pitting, cracking, or seal degradation in the receiver body or fittings, compromising pressure integrity.
Fatigue cracking or rupture
Cause: Cyclic pressure loading, vibration, or thermal stress exceeding material endurance limits, often accelerated by improper mounting, water hammer, or operating beyond design pressure.
Maintenance Indicators
  • Audible hissing or whistling indicating gas/air leakage from fittings, valves, or seams
  • Visible external corrosion, moisture accumulation, or oil weeping on the receiver surface or weld joints
Engineering Tips
  • Implement routine ultrasonic thickness testing and visual inspections to monitor wall thinning and early corrosion, especially in humid or aggressive environments.
  • Install and maintain proper condensate drains, air dryers, and vibration isolators to prevent internal corrosion and reduce cyclic stress on mounting points.

Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.

Compliance & Manufacturing Standards

Applicable Standards
IEC 61000-6-2 - Electromagnetic compatibility CE marking - EU conformity for electronic products

Quoted from the published standard.

Manufacturing Precision
  • Frequency tolerance: +/- 0.001%
  • Signal-to-noise ratio: >70 dB
Quality Inspection
  • Signal integrity test - BER < 10^-12
  • Environmental stress screening - temperature cycling -40°C to +85°C
Technical documentation
Request current drawings, revision history, and a signed specification sheet.
Manufacturing capability
Verify equipment lists, process limits, capacity, and representative production evidence.
Inspection readiness
Confirm test methods, calibrated equipment, sampling plans, and traceable reports.
Supplier transparency
Check the legal entity, factory address, ownership, certifications, and direct contacts.

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Manufacturers of Receiver Circuit

Manufacturer profiles associated with Receiver Circuit.

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Frequently Asked Questions

What is the typical operating frequency range of a receiver circuit?

According to the directory reference, the typical operating frequency range is 0.1–6 GHz, covering common communication bands. However, the exact range depends on the specific model and application, so verify with the manufacturer.

What is the sensitivity specification?

The reference sensitivity is -110 to -90 dBm, indicating the minimum signal level the circuit can effectively process. Lower values are better for weak signals, but actual performance varies by model.

What ingress protection rating is listed?

The listed ingress protection is IP54–IP65 per IEC 60529, indicating dust and water resistance. This is a reference range; confirm the actual rating for the specific product.

How should I verify the specifications for a specific receiver circuit?

Always consult the legal manufacturer or supplier for model-specific datasheets and compliance information. The values in this directory are typical ranges and must be confirmed for your application.

Data basis: editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Related equipment

Applied To / Applications

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

Communication Transceiver
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PHY Interface
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Protocol Transceiver IC
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Line Driver/Receiver
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Interface Transceivers
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Industrial Ecosystem & Supply Chain Structure

Complementary Systems

Data Basis

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

Preliminary Technical Classification
This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

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 12 October 2026

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