LM317
The LM317 is a popular adjustable linear voltage regulator. It was invented by Robert C. Dobkin and Robert J. Widlar in 1970 while they worked at National Semiconductor.The LM337, a negative complemen...
LM317 - Wikipedia
555 timer IC
The 555 timer IC is an integrated circuit (chip) used in a variety of timer, pulse generation, and oscillator applications. The 555 can be used to provide time delays, as an oscillator, and as a flip-...
555 timer IC - Wikipedia
Analog chip
An analog chip is a set of miniature electronic analog circuits formed on a single piece of semiconductor material.
The voltage and current at specified points in the circuits of analog chips vary...
MK484
The MK484 AM radio IC is a fully functional AM radio detector on a chip. It is constructed in a TO-92 case, resembling a small transistor. It replaces the similar ZN414 AM radio IC from the 1970s. ...
CX (audio)
CX is a noise reduction system for recorded analog audio. It was developed by CBS Laboratories (a division of CBS) in the late 1970s as a competitor to other noise reduction (NR) systems such as Dolb...
CX (audio) - Wikipedia
High Com
The High Com (also as HIGH COM, both written with a thin space) noise reduction system was developed by Telefunken, Germany, in the 1970s as a high quality high compression analogue compan...
Low-dropout regulator
A low-dropout or LDO regulator is a DC linear voltage regulator which can regulate the output voltage even when the supply voltage is very close to the output voltage. The advantages of a low dropout...
Low-dropout regulator - Wikipedia
ZN414
The ZN414 was a low cost, single-chip AM radio integrated circuit. Launched in 1972, the part was designed and supplied by Ferranti, but was also available from GEC-Plessey. The ZN414 was popular amon...
ZN414 - Wikipedia
Differential amplifier
A differential amplifier is a type of electronic amplifier that amplifies the difference between two input voltages but suppresses any voltage common to the two inputs. It is an analog circuit with t...
Differential amplifier - Wikipedia
Precision rectifier
The precision rectifier, also known as a super diode, is a configuration obtained with an operational amplifier in order to have a circuit behave like an ideal diode and rectifier. It is useful for hi...
Precision rectifier - Wikipedia
LM386
The LM386 (AKA JRC386) is an integrated circuit consisting of a low voltage audio power amplifier. It is suitable for battery-powered devices such as radios, guitar amplifiers, and hobbyist projects. ...
LM386 - Wikipedia
Current conveyor
A current conveyor is an abstraction for a three terminal analogue electronic device. It is a form of electronic amplifier with unity gain. There are three versions of generations of the idealised dev...
Operational amplifier
An operational amplifier (op-amp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. In this configuration, an op-amp produces an out...
Operational amplifier - Wikipedia
Active filter
An active filter is a type of analog electronic filter that uses active components such as an amplifier. Amplifiers included in a filter design can be used to improve the performance and predictabilit...
LM3875
LM3875 is a 56 watt amplifier chip made by Texas Instruments (previously National Semiconductor) that has become very popular in the DIY audio community for its low parts count and its high-performanc...
78xx
The 78xx (sometimes L78xx, LM78xx, MC78xx...) is a family of self-contained fixed linear voltage regulator integrated circuits. The 78xx family is commonly used in electronic circuits requiring a regu...
78xx - Wikipedia
Log amplifier
A log amplifier is an amplifier for which the output voltage Vout is K times the natural log of the input voltage Vin. This can be expressed as,where Vref is the normalization constant in volts and K...
Log amplifier - Wikipedia
List of LM-series integrated circuits
The following is a list of LM-series integrated circuits. Many were among the first analog integrated circuits commercially produced; some were groundbreaking innovations, and many are still being us...
List of LM-series integrated circuits - Wikipedia
LM13700
The LM13700 is an integrated circuit consisting of of two current controlled operational transconductance amplifiers (OTA), each having differential inputs and a push-pull output. The LM13700 is like ...
Schmitt trigger
In electronics, a Schmitt trigger is a comparator circuit with hysteresis, implemented by applying positive feedback to the noninverting input of a comparator or differential amplifier. It is an act...
Comparator
In electronics, a comparator is a device that compares two voltages or currents and outputs a digital signal indicating which is larger. It has two analog input terminals and and one binary digital...
Comparator - Wikipedia
Operational transconductance amplifier
The operational transconductance amplifier (OTA) is an amplifier whose differential input voltage produces an output current. Thus, it is a voltage controlled current source (VCCS). There is usually a...
Operational transconductance amplifier - Wikipedia
Operational amplifier applications
This article illustrates some typical applications of operational amplifiers. A real op amp has a number of non-ideal features as shown in the diagram, but here a simplified schematic notation is used...
Operational amplifier applications - Wikipedia
Negative impedance converter
The negative impedance converter (NIC) is a one-port op-amp circuit acting as a negative load which injects energy into circuits in contrast to an ordinary load that consumes energy from them. This is...
Gyrator
A gyrator is a passive, linear, lossless, two-port electrical network element proposed in 1948 by Bernard D. H. Tellegen as a hypothetical fifth linear element after the resistor, capacitor, inductor ...
Gyrator - Wikipedia
Instrumentation amplifier
An instrumentation (or instrumentational) amplifier is a type of differential amplifier that has been outfitted with input buffer amplifiers, which eliminate the need for input impedance matching and ...
Instrumentation amplifier - Wikipedia
Relaxation oscillator
In electronics a relaxation oscillator is a nonlinear electronic oscillator circuit that produces a nonsinusoidal repetitive output signal, such as a triangle wave or square wave. The circuit consists...