X10 operational amplifier

There are two types of preamplifiers for magnetic phono cartridges. The most common type includes an RIAA equalization network in the feedback loop, as described in the March 2002 issue of SILICON CHIP. The second type, previously used in...

This general-purpose low-power (5 W) audio amplifier is designed to drive speakers ranging from 8 to 12 inches. It utilizes a Sanyo LA4460 integrated circuit (IC) as the audio output component. The circuit features a loudness control, a driver...

This is a BTL (bridged tied load) mono amplifier with a DC volume control circuit. This circuit utilizes the TDA7052A/AT, which is suitable for monitors, TVs, and battery-operated portable radios and recorders. Unlike conventional DC volume circuits, the TDA7052A/AT...

Figure (a) illustrates a general inverting amplifier circuit, which includes a 100k potentiometer as a feedback resistor connected in series between the input terminal and the inverting input to compensate for the DC bias current. The potentiometer (Rp) should...

Magnetic pickups in musical instruments exhibit a relatively high output impedance, which can lead to a decrease in treble response when connected through long cable runs or to equipment with low input impedance. This preamplifier addresses these challenges by...

A common collector amplifier circuit structure and its key components are outlined. The composition of the common collector amplifier circuit is fundamentally similar to that of a common emitter amplifier circuit, with two notable exceptions: one is the collector...