Glue-top coils

These are special air coils, also known as air-core inductors, designed to be used in pick and place operations. Here are some common uses of air coils in electronics:

1. RF Circuits: Air coils are widely used in radio frequency (RF) circuits for impedance matching, tuning, and filtering. They are employed in RF antennas, RF amplifiers, RF filters, and RF oscillators to adjust the resonance frequency, control the impedance, and enhance the performance of RF circuits.

2. RFID Systems: In radio frequency identification (RFID) systems, air coils are used in RFID tags and readers to generate and detect electromagnetic fields. They serve as the antenna element in both passive and active RFID devices, facilitating wireless communication and data exchange between RFID tags and readers.

3. Wireless Power Transfer: Air coils play a crucial role in wireless power transfer systems, such as wireless charging pads and inductive charging systems for electronic devices. They are used as transmitter and receiver coils to transfer electrical energy wirelessly between devices, eliminating the need for physical connectors and cables.

4. Inductive Sensors: Air coils are utilized in inductive sensors for proximity sensing, position sensing, and metal detection applications. They generate electromagnetic fields that interact with nearby conductive objects, producing changes in inductance that can be detected and measured to determine the presence, position, or characteristics of the objects.

5. Electronic Filters: Air coils are employed in electronic filters, such as bandpass filters, low-pass filters, and high-pass filters, to selectively pass or reject certain frequencies in electronic circuits. They are used in audio equipment, communication systems, and signal processing applications to filter out unwanted noise and interference from signals.

6. Tuned Circuits: Air coils are used in tuned circuits, also known as resonant circuits, to select or resonate at specific frequencies. They are used in radio receivers, oscillators, and frequency-selective circuits to tune into desired frequencies, reject interference, and maintain frequency stability.

7. LC Tank Circuits: Air coils, in combination with capacitors, are used in LC tank circuits to generate oscillations at specific frequencies. They are employed in radio frequency transmitters, oscillators, and frequency synthesizers to generate stable and tunable oscillations for communication and signal generation.

8. Test and Measurement Equipment: Air coils are used in test and measurement equipment, such as oscilloscopes, signal generators, and spectrum analyzers, for various purposes including impedance matching, signal conditioning, and signal detection. They provide precise and stable electrical characteristics for accurate measurement and analysis of electronic signals.

Overall, air coils are versatile components used in a wide range of electronic applications, particularly in RF circuits, wireless systems, sensors, filters, and resonant circuits, where their low-loss characteristics, high-Q factors, and adjustable properties make them ideal for achieving desired performance and functionality.