Structured Manufacturing Data (2026)

Clock Generator / PLL

Based on aggregated insights from structured factory profiles within the CNFX directory, the standard Clock Generator / PLL 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 Clock Generator / PLL is characterized by the integration of Phase Detector and Voltage-Controlled Oscillator. In industrial production environments, manufacturers listed on CNFX commonly emphasize Silicon construction to support stable, high-cycle operation across diverse manufacturing scenarios.

An integrated circuit that generates and synchronizes clock signals for communication systems.

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Product Specifications

Technical details and manufacturing context for Clock Generator / PLL

Definition
A Clock Generator/PLL (Phase-Locked Loop) is a critical component within Communication Interface ICs that produces stable, precise clock signals and synchronizes them with reference signals. It ensures proper timing and data integrity in digital communication systems by generating multiple clock frequencies, reducing jitter, and maintaining phase alignment between transmitter and receiver circuits.
Working Principle
The PLL circuit compares the phase of a reference clock signal with the phase of its output signal using a phase detector. Any phase difference generates an error voltage that adjusts a voltage-controlled oscillator (VCO) to match frequencies. The feedback loop continuously corrects phase and frequency errors, producing a stable output clock synchronized to the reference.
Common Materials
Silicon
Technical Parameters
  • Output frequency range (MHz) Customizable
Components / BOM
  • Phase Detector
    Compares phase difference between reference and feedback signals
    Material: Silicon
  • Voltage-Controlled Oscillator
    Generates output clock signal with frequency controlled by input voltage
    Material: Silicon
  • Loop Filter
    Filters phase detector output to control VCO response
    Material: Silicon

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Clock Generator / PLL.

low jitter clock generator IC communication system PLL synchronization voltage-controlled oscillator timing circuit phase-locked loop for optical devices silicon-based clock signal generator

Applied To / Applications

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

Communication Interface ICs
View system integration details

Industrial Ecosystem & Supply Chain Structure

Complementary Systems
Downstream Applications
Specialized Tooling

Application Fit & Sizing Matrix

Operational Limits
jitter: < 1 ps RMS (typical)
voltage: 1.8V to 3.3V supply range
phase noise: < -150 dBc/Hz at 1 MHz offset
temperature: -40°C to +125°C (industrial grade)
frequency range: 1 MHz to 2.5 GHz output
Media Compatibility
✓ digital communication systems (Ethernet, PCIe, USB) ✓ microprocessor/microcontroller clocking ✓ RF/wireless baseband synchronization
Unsuitable: high-voltage power electronics or environments with extreme electromagnetic interference (EMI) beyond typical shielding
Sizing Data Required
  • required output frequency and number of clock outputs
  • input reference clock frequency and stability
  • power supply voltage and power consumption constraints

Reliability & Engineering Risk Analysis

Failure Mode & Root Cause
Phase lock failure
Cause: Voltage regulator instability or excessive jitter from reference clock
Output frequency drift
Cause: Temperature-induced crystal oscillator aging or VCO component degradation
Maintenance Indicators
  • Audible high-frequency whine or clicking from the device
  • Visual inspection shows bulging or leaking capacitors on the PLL power supply section
Engineering Tips
  • Implement active thermal management with heatsinks or forced airflow to maintain stable operating temperature
  • Use high-quality, low-ESR capacitors in the power supply filtering network and replace them proactively per manufacturer's MTBF guidelines

Compliance & Manufacturing Standards

Reference Standards
IEC 60747-14-1: Semiconductor devices - Part 14-1: Semiconductor sensors - Generic specification for sensors ANSI/EIA 364-13: Electrical Connector/Socket Test Procedures Including Environmental Classifications ISO 9001:2015 Quality management systems - Requirements
Manufacturing Precision
  • Frequency stability: +/-50 ppm
  • Output jitter: < 1 ps RMS
Quality Inspection
  • Phase Noise Measurement
  • Power Supply Rejection Ratio (PSRR) Test

Factories Producing Clock Generator / PLL

Manufacturer profiles with relevant production capability in China

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Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

Technical documentation
4/5
Manufacturing capability
4/5
Inspection readiness
5/5
Supplier transparency
3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

What is the primary function of this clock generator/PLL IC?

This integrated circuit generates and synchronizes precise clock signals for communication systems, ensuring accurate timing and data transmission in electronic and optical devices.

What materials and components are used in this product?

The IC is manufactured using silicon and includes a phase detector, voltage-controlled oscillator (VCO), and loop filter as key components in its bill of materials (BOM).

Which industries typically use this type of clock generator?

This product is essential for computer, electronic, and optical product manufacturing, particularly in communication systems requiring stable and synchronized clock signals.

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.

Data basis: CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks for Computer, Electronic and Optical Product Manufacturing.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

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.

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