INDUSTRY COMPONENT

Active Device(s)

Active electronic devices that generate or amplify signals in oscillators, essential for frequency synthesis in communication and measurement systems.

View Specifications

Component Specifications

Definition
Active devices in Voltage-Controlled Oscillators (VCOs) or Digitally Controlled Oscillators (DCOs) are semiconductor components that require external power to function and actively generate or control oscillation frequencies. These devices convert DC power into AC signals at specific frequencies determined by control voltages or digital inputs, forming the core of frequency generation circuits in RF, communication, and timing applications.
Working Principle
Active devices operate by using external power to amplify signals or generate oscillations through positive feedback mechanisms. In VCOs, they respond to voltage changes to vary frequency; in DCOs, they interpret digital codes to produce precise frequencies. Common principles include transistor-based amplification, varactor diode capacitance modulation, and digital-to-frequency conversion through phase-locked loops or direct digital synthesis techniques.
Materials
Semiconductor materials (silicon, gallium arsenide, silicon-germanium), doped substrates, metal interconnects (copper, aluminum), dielectric layers (silicon dioxide, silicon nitride), and packaging materials (ceramic, epoxy).
Technical Parameters
  • Phase Noise -80 to -120 dBc/Hz at 10 kHz offset
  • Output Power -10 to +10 dBm
  • Package Type SMD (QFN, SOIC), Through-hole
  • Supply Voltage 3.3V or 5V DC
  • Tuning Voltage 0-5V or 0-10V
  • Frequency Range 1 MHz to 10 GHz
  • Temperature Range -40°C to +85°C
Standards
ISO 9001, IEC 60747, JEDEC JESD22

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Active Device(s).

active device VCO component DCO component oscillator transistor frequency generator RF oscillator semiconductor oscillator voltage controlled oscillator parts Active Device(s) Active Device(s) in Computer, Electronic and Optical Product Manufacturing

Parent Products

This component is used in the following industrial products

Voltage-Controlled Oscillator (VCO) or Digitally Controlled Oscillator (DCO)

An electronic oscillator whose output frequency is controlled by an input voltage (VCO) or digital control word (DCO), generating a periodic signal used for timing and synchronization.

View Product Details

Engineering Analysis

Risks & Mitigation
  • Thermal overstress
  • Electrostatic discharge damage
  • Frequency drift over temperature
  • Harmonic distortion
  • Electromagnetic interference
FMEA Triads
Trigger: Excessive junction temperature
Failure: Thermal runaway leading to permanent damage
Mitigation: Implement thermal management with heatsinks, ensure adequate airflow, use temperature sensors for monitoring
Trigger: Voltage spikes in control lines
Failure: Breakdown of semiconductor junctions
Mitigation: Add protection diodes, use proper filtering, implement voltage clamping circuits
Trigger: Manufacturing defects in semiconductor layers
Failure: Early life failures or parameter drift
Mitigation: Implement rigorous quality control, burn-in testing, statistical process control

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Frequency stability: ±10 ppm to ±100 ppm depending on grade; Phase noise: meets application-specific requirements
Test Method
Frequency response analysis, phase noise measurement, harmonic distortion testing, temperature cycling, accelerated life testing per MIL-STD-883

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

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.

Related Components

Memory Module
Memory module for Industrial IoT Gateway data storage and processing
Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.
Serial Interface
Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.

Frequently Asked Questions

What is the difference between active and passive devices in oscillators?

Active devices require external power to generate or amplify signals (like transistors or ICs), while passive devices (like capacitors or inductors) don't require power and only store or filter energy.

How do active devices in DCOs achieve digital frequency control?

DCO active devices use digital-to-analog converters, switched capacitor arrays, or direct digital synthesis techniques to convert digital input codes into precise frequency outputs with high resolution and stability.

What are common failure modes of active devices in oscillators?

Common failures include thermal runaway, electromigration in interconnects, oxide breakdown, latch-up conditions, and parameter drift due to aging or environmental stress.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

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.

Request Manufacturing Insight for Active Device(s)

Active Device (Transistor/IC) Active Device(s) (Transistor)