Hacks of Electronics
A thick film resistor is one of the most widely used fixed resistors in modern electronic circuits. It is manufactured by depositing a resistive paste (thick film) onto a ceramic substrate and then firing it at high temperature to form a stable resistive layer. Due to its low cost, mechanical robustness, and compatibility with mass […]
A metal film resistor is a precision fixed resistor widely used in electronic circuits where high accuracy, stability, and low noise are required. Compared to carbon composition and carbon film resistors, metal film resistors offer tighter tolerance, lower temperature coefficient, and superior long-term reliability. They are extensively used in analog circuits, instrumentation, audio equipment, medical […]
A carbon film resistor is one of the most widely used fixed resistors in electronic circuits. It belongs to the carbon-based resistor family, where resistance is obtained from a thin layer of carbon deposited on an insulating substrate. Due to its moderate cost, good stability, reasonable accuracy, and wide resistance range, the carbon film resistor […]
RC filters are the most fundamental signal-processing circuits in electronics. It uses a combination of a resistor (R) and a capacitor (C) to selectively allow or suppress signals based on their frequency. Despite its simplicity, the RC filter plays a crucial role in almost every electronic system, from basic audio amplifiers to complex communication and […]
This article explains clamper circuits from the ground up including their types, mathematical analysis, waveforms, working principle, differences, applications, and real-world design considerations. Clamper circuits are fundamental waveform-shaping networks used in electronics to shift the entire signal level either upward or downward without altering the overall shape of the waveform. Unlike clippers, which remove or […]
Voltage multiplier circuit forms a fundamental building block in high-voltage power supplies where the output voltage must be several times greater than the peak input voltage, yet the load current required is relatively small. Instead of using high-turn-ratio transformers which are large, expensive, and limited by insulation and core saturation constraints engineers often implement multipliers […]