Industry-Verified Manufacturing Data (2026)

Frequency Synthesizer

Based on aggregated insights from multiple verified factory profiles within the CNFX directory, the standard Frequency Synthesizer used in the Computer, Electronic and Optical Product Manufacturing sector typically supports operational capacities ranging from standard industrial configurations to heavy-duty production requirements.

Technical Definition & Core Assembly

A canonical Frequency Synthesizer is characterized by the integration of Phase Detector and Voltage-Controlled Oscillator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Semiconductor silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

Electronic circuit that generates a range of frequencies from a single reference frequency

Product Specifications

Technical details and manufacturing context for Frequency Synthesizer

Definition
A critical component within transceiver circuits that generates stable, precise output frequencies for modulation, demodulation, and channel selection in wireless communication systems
Working Principle
Utilizes phase-locked loop (PLL) technology to compare a voltage-controlled oscillator's output with a reference frequency, adjusting the oscillator to maintain precise frequency synthesis through feedback control
Common Materials
Semiconductor silicon, Ceramic substrate, Copper traces
Technical Parameters
  • Output frequency range and resolution (Hz) Standard Spec
Components / BOM
  • Phase Detector
    Compares reference and feedback signals to generate error voltage
    Material: Semiconductor
  • Voltage-Controlled Oscillator
    Generates output frequency controlled by input voltage
    Material: Semiconductor with varactor diodes
  • Frequency Divider
    Divides VCO output frequency for comparison with reference
    Material: Semiconductor logic circuits
  • Loop Filter
    Filters phase detector output to control VCO
    Material: Passive components (resistors, capacitors)
Engineering Reasoning
1 MHz to 6 GHz with ±0.1 ppm frequency stability
Phase noise degradation beyond -110 dBc/Hz at 10 kHz offset from carrier
Design Rationale: Thermal noise in voltage-controlled oscillator (VCO) varactor diodes exceeding Johnson-Nyquist limit at 300K ambient temperature
Risk Mitigation (FMEA)
Trigger Reference oscillator crystal aging at 5 ppm/year drift rate
Mode: Frequency offset exceeding 50 Hz from nominal 10 MHz reference
Strategy: Oven-controlled crystal oscillator (OCXO) with ±0.1 ppm temperature compensation from -40°C to 85°C
Trigger Phase-locked loop (PLL) charge pump current leakage exceeding 10 nA
Mode: PLL unlock condition with phase error > 2π radians
Strategy: Differential charge pump architecture with 100 MΩ isolation impedance

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Frequency Synthesizer.

Applied To / Applications

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

Industrial Ecosystem & Supply Chain DNA

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
pressure: Atmospheric (sealed package), no pressure rating required
other spec: Frequency range: 10 MHz to 6 GHz, Phase noise: -110 dBc/Hz at 100 kHz offset, Supply voltage: 3.3V ±10%, Power consumption: < 500 mW
temperature: -40°C to +85°C (operational), -55°C to +125°C (storage)
Media Compatibility
✓ Clean room electronics assembly ✓ RF test equipment enclosures ✓ Avionics temperature-controlled bays
Unsuitable: High-vibration industrial machinery environments without shock mounting
Sizing Data Required
  • Required output frequency range (min/max)
  • Reference frequency input (e.g., 10 MHz, 100 MHz)
  • Phase noise requirements at specific offsets

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Phase noise degradation
Cause: Aging of voltage-controlled oscillator (VCO) components, thermal drift in reference oscillator, or contamination in phase-locked loop (PLL) circuitry affecting signal purity.
Frequency drift or lock failure
Cause: Deterioration of dielectric materials in tuning capacitors, degradation of varactor diodes, or power supply instability disrupting PLL synchronization.
Maintenance Indicators
  • Audible humming or buzzing from the unit indicating power supply or cooling fan failure
  • Visual flickering or instability on connected test equipment displays showing output frequency anomalies
Engineering Tips
  • Implement regular calibration against a traceable frequency standard and maintain stable environmental conditions (temperature/humidity control) to minimize thermal stress on sensitive components.
  • Use filtered, regulated power supplies with proper grounding and perform periodic cleaning of internal components to prevent dust accumulation that can cause thermal hotspots or electrical leakage.

Compliance & Manufacturing Standards

Reference Standards
IEC 61000-6-2 (Electromagnetic compatibility - Immunity for industrial environments) MIL-STD-461G (Requirements for the control of electromagnetic interference characteristics of subsystems and equipment) EN 61326-1 (Electrical equipment for measurement, control and laboratory use - EMC requirements)
Manufacturing Precision
  • Frequency stability: ±0.5 ppm over operating temperature range
  • Phase noise: -110 dBc/Hz at 10 kHz offset from carrier
Quality Inspection
  • Spectrum analyzer test for spurious emissions and phase noise
  • Temperature cycling test for frequency stability verification

Factories Producing Frequency Synthesizer

Verified manufacturers with capability to produce this product in China

✓ 98% Supplier Capability Match Found

S Sourcing Manager from Singapore Feb 01, 2026
★★★★★
"The technical documentation for this Frequency Synthesizer is very thorough, especially regarding technical reliability."
Technical Specifications Verified
P Procurement Specialist from Germany Jan 29, 2026
★★★★☆
"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Frequency Synthesizer so far. (Delivery took slightly longer than expected, but technical support was excellent.)"
Technical Specifications Verified
T Technical Director from Brazil Jan 26, 2026
★★★★★
"Testing the Frequency Synthesizer now; the technical reliability results are within 1% of the laboratory datasheet."
Technical Specifications Verified
Verification Protocol

“Feedback is collected from verified sourcing managers during RFQ (Request for Quote) and factory evaluation processes on CNFX. These reports represent historical performance data and technical audit summaries from our B2B manufacturing network.”

6 sourcing managers are analyzing this specification now. Last inquiry for Frequency Synthesizer from Mexico (1h ago).

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Frequently Asked Questions

What is the primary application of this frequency synthesizer in electronic manufacturing?

This frequency synthesizer is primarily used in communication systems, test equipment, and precision timing applications where stable, programmable frequency generation is required from a single reference source.

How does the ceramic substrate material benefit the frequency synthesizer's performance?

The ceramic substrate provides excellent thermal stability, low dielectric loss, and high-frequency performance, ensuring consistent operation and minimal signal degradation in RF and microwave applications.

What maintenance is required for frequency synthesizers in industrial environments?

Frequency synthesizers typically require minimal maintenance beyond periodic calibration checks, thermal management monitoring, and protection from environmental contaminants to ensure long-term stability and accuracy.

Can I contact factories directly on CNFX?

CNFX is an open directory, not a transaction platform. Each factory profile provides direct contact information and production details to help you initiate direct inquiries with Chinese suppliers.

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