As a service to our readers, we're providing the LTspice files used in Dr. Dyer's article on simulation of the 12AX7 and the K2-W vacuum-tube op amp. 1. The model for the K2-W is established as a ...
Abstract: This paper presents the structure and operational principle of a low-power AC-DC conversion circuit prototype for wearable battery-free power supply devices. The proposed circuit ...
Extend the LM358 op-amp family’s output voltage range by cascading the op-amp with a few simple, inexpensive components.
Feedback refers to a core concept in circuit design and control theory, used to stabilize amplifiers and control system ...
It used to be a rite of passage to be able to do the math necessary to design various bipolar transistor amplifier ...
When you’re testing or debugging some mains-powered gear, plugging it directly into the outlet can often be an exciting ...
Abstract: A novel technique for adaptive frequency compensation in negative feedback amplifiers is proposed. It is demonstrated that a simple reconnection of the compensation capacitor in a two-stage ...
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