Op amps are very high gain amplifiers with differential inputs and single-ended outputs. They are often used in high precision analog circuits, so it is important to measure their performance ...

Modern operational amplifiers (op amps) and instrumentation amplifiers (in-amps) provide great benefits to the designer, compared with assemblies of discrete semiconductors. A great many clever, ...

This pocket-sized headphone amplifier works with wired and wireless headphones and includes Qualcomm's flagship Bluetooth ...

I have read many textbooks on the topic of op amps and they have all fallen short of a detailed explanation of how an op amp's "input current/voltage constraint" mechanism is achieved when an op amp ...

I want to keep the feedback from the sense resistor going into the op-amp because I tried to use a current amplifier before and it didn't work. The circuit oscillated like crazy. I want the ADC there ...

The BTR17 uses the THX AAA 78+ headphone amp, previously used in the FiiO M23 DAP. The four-channel fully balanced design ...

A analog front-end that combines the functions of the INA, DPG, and S&H in a single topology controlled by the timing from a PWM logic Continue Reading ...

If you said yes to all of the above, then Astell & Kern’s flagship digital audio player — the SP3000T — is about to make your sonic dreams come true.  Analog stalwarts write love letters to the warm, ...

or by opting for a pre/power amplifier pairing where the necessary preamp and power amp duties are housed in separate boxes. But the most simple, convenient, space-efficient and indeed popular option ...

Probably one of the most celebrated amplifiers ever made—the 33/303 two-box pre/power amp system from Quad—is back. The British high-end hi-fi brand is reviving the design 57 years after it ...