đŸ“ģElectronics & Radio Applications

AM Radio Broadcasting

Medium wave: 530-1700 kHz, Long wave: 148-283 kHz, used for talk radio and news broadcasting

FM Radio Broadcasting

88-108 MHz band worldwide for high-quality audio broadcasting with better sound quality than AM

Wi-Fi Standards

2.4 GHz band for 802.11b/g/n, 5 GHz band for 802.11a/n/ac/ax with higher frequencies enabling faster speeds

Bluetooth Communication

2.4 GHz ISM band (2.402-2.485 GHz range) for short-range device communication

đŸ’ģComputer System Applications

Modern Processor Speeds

Base clock: 2.5-3.5 GHz, Boost clock: 4.0-5.0 GHz, with higher frequencies enabling faster processing

Memory Frequencies

DDR4: 2133-3200 MHz, DDR5: 4800-6400 MHz, where faster memory frequencies improve system performance

System Bus Frequencies

Various system buses operate at specific frequencies to synchronize data transfer between components

🔧Practical Conversion Examples

Audio Frequency Range

Human hearing range: 20 Hz to 20 kHz, covering all audible sound frequencies

Radio Wave Spectrum

Communication spectrum: 3 kHz to 300 GHz, covering all radio frequency communications

Microwave Applications

Microwave ovens operate at 2.45 GHz frequency for efficient water molecule heating

Scientific Applications

Various scientific instruments use specific frequencies for measurement and analysis

💡Tips & Best Practices

Measurement Equipment

Use appropriate frequency counters and oscilloscopes for the specific frequency range being measured

Temperature Considerations

Account for temperature effects on oscillators and frequency stability in precise applications

Signal Attenuation

Consider signal loss at high frequencies when designing RF circuits and communication systems

Common Conversion Mistakes

Don't confuse frequency with wavelength, ensure proper unit prefix conversions, and consider bandwidth requirements

⚡Quick Reference

Basic Conversions

1 kHz = 1,000 Hz
1 MHz = 1,000,000 Hz
1 GHz = 1,000,000,000 Hz
1 THz = 1,000,000,000,000 Hz

Common Frequencies

Audio: 20 Hz - 20 kHz
AM Radio: 530 - 1700 kHz
FM Radio: 88 - 108 MHz
Wi-Fi: 2.4 GHz, 5 GHz

Applications

CPU: 2-5 GHz typical
Microwave oven: 2.45 GHz
Bluetooth: 2.4 GHz band
GPS: 1.57 GHz (L1 band)