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List of free analog and digital electronic circuit simulators, available for Windows, macOS, Linux, and comparing against UC Berkeley SPICE. The following table is split into two groups based on whether it has a graphical visual interface or not.
Figure 3: Gain-boosted current mirror with op-amp feedback to increase output resistance MOSFET version of gain-boosted current mirror; M 1 and M 2 are in active mode, while M 3 and M 4 are in ohmic mode and act like resistors. The operational amplifier provides feedback that maintains a high output resistance.
When Sedra and Smith first introduced the current conveyor in 1968, [1] it was not clear what the benefits of the concept would be. The idea of the op-amp had been well known since the 1940s, and integrated circuit manufacturers were better able to capitalise on this widespread knowledge within the electronics industry.
This is a list of free and open-source software (FOSS) packages, computer software licensed under free software licenses and open-source licenses.Software that fits the Free Software Definition may be more appropriately called free software; the GNU project in particular objects to their works being referred to as open-source. [1]
Conky is a free software desktop system monitor for the X Window System.It is available for Linux, FreeBSD, and OpenBSD. [3] Conky is highly configurable [4] [5] [6] and is able to monitor many system variables including the status of the CPU, memory, swap space, disk storage, temperatures, processes, network interfaces, battery power, system messages, e-mail inboxes, Arch Linux updates, many ...
LTspice is a SPICE-based analog electronic circuit simulator computer software, produced by semiconductor manufacturer Analog Devices (originally by Linear Technology). [2] It is the most widely distributed and used SPICE software in the industry. [6]
Argus is a systems and network monitoring application. It is designed to monitor the status of network services, servers, and other network hardware. It will send alerts when it detects problems. It is open-source software originally written entirely in Perl, but nowadays in Go, and provides a web based interface.
Figure 7: Typical op-amp current source. The simple transistor current source from Figure 4 can be improved by inserting the base-emitter junction of the transistor in the feedback loop of an op-amp (Figure 7). Now the op-amp increases its output voltage to compensate for the V BE drop. The circuit is actually a buffered non-inverting amplifier ...