Resonant Element: Frequency Range 1 kHz to 100 MHz

Q: What is the difference between a resonant element and an oscillator?

A resonant element is a passive component that provides frequency selectivity, while an oscillator is an active circuit that generates continuous oscillations using the resonant element as part of its feedback network.

Q: How do I select a resonant element for an industrial application?

Consider frequency stability, tolerance, temperature range, and environmental factors. For high-precision needs, use crystal resonators; for cost-sensitive applications, ceramic or LC resonators may suffice.

Component Specifications

Definition

A resonant element is a fundamental component in oscillator circuits that exhibits resonance at a specific frequency, determined by its physical or electrical properties. It stores and releases energy in a periodic manner, enabling the generation of stable oscillatory signals. In industrial applications, resonant elements are critical for maintaining frequency accuracy, reducing phase noise, and ensuring reliable operation in timing devices, communication systems, and measurement equipment.

Working Principle

The working principle of a resonant element is based on resonance, where it oscillates with maximum amplitude at its natural frequency when excited by an external energy source. In an oscillator circuit, it forms part of a feedback loop that sustains oscillations by compensating for energy losses. Common types include LC (inductor-capacitor) resonators, crystal resonators (using piezoelectric materials), and ceramic resonators, each leveraging different physical phenomena to achieve precise frequency control.

Materials

Materials vary by type: LC resonators use copper or aluminum for inductors and ceramic or film dielectrics for capacitors; crystal resonators use quartz (SiO2) with metal electrodes (e.g., silver or gold); ceramic resonators use piezoelectric ceramics like lead zirconate titanate (PZT).

Technical Parameters

Parameter	Typical range	Notes & selection driver
Q Factor	10 to 100,000
Tolerance	±0.001% to ±0.5%
Aging Rate	<5 ppm/year
Frequency Range	1 kHz to 100 MHz
Load Capacitance	10 pF to 32 pF
Operating Temperature	-40°C to +85°C

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

Standards

ISO 9001, IEC 60122-1, DIN 41785

Parent Products

This component is used in the following industrial products

Oscillator Circuit

Electronic circuit that generates a periodic, oscillating signal at a specific frequency

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Resonator

A component within an oscillator that determines and stabilizes the frequency of oscillation through its resonant properties.

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Engineering Analysis

Risks & Mitigation

Frequency drift due to temperature changes
Mechanical shock damage
Aging leading to reduced accuracy
Electromagnetic interference (EMI)

FMEA Triads

Trigger: Material degradation or contamination
Failure: Frequency shift or complete loss of resonance
Mitigation: Use high-purity materials, implement strict quality control, and apply protective coatings.

Trigger: Overvoltage or excessive current
Failure: Thermal damage or piezoelectric breakdown
Mitigation: Design with voltage limiters, current protection circuits, and adhere to rated specifications.

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

Frequency tolerance as per IEC 60122-1, typically within ±0.001% to ±0.5% depending on grade

Test Method

Frequency measurement using spectrum analyzers, impedance analysis, and environmental testing (temperature, humidity, vibration) per ISO 9001 standards

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

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

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Manufacturers of Resonant Element

Manufacturer profiles associated with Resonant Element.

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Frequently Asked Questions

What is the difference between a resonant element and an oscillator?