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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.
LM393 differential comparator manufactured by National Semiconductor. The following is a list of LM-series integrated circuits. Many were among the first analog integrated circuits commercially produced since late 1965; [1] some were groundbreaking innovations [opinion]. As of 2007, many are still being used. [2]
In most cases a comparator is implemented using a dedicated comparator IC, but op-amps may be used as an alternative. Comparator diagrams and op-amp diagrams use the same symbols. A simple comparator circuit made using an op-amp without feedback simply heavily amplifies the voltage difference between Vin and VREF and outputs the result as Vout.
Circuit diagram for threshold detector with hysteresis. The threshold detector with hysteresis consists of an operational amplifier and a series of resistors that provide hysteresis. [1]: 5 [2]: 7 [3] Like other detectors, this device functions as a voltage switch, but with an important difference. The state of the detector output is not ...
If R 1 is zero (i.e., a short circuit) or R 2 is infinity, the band collapses to zero width, and it behaves as a standard comparator. In contrast with the parallel version, this circuit does not impact on the input source since the source is separated from the voltage divider output by the high op-amp input differential impedance.
8-bit comparator, inverting output 20 SN74ALS521: 74x522 1 8-bit comparator, inverting output 20 kΩ pull-up open-collector 20 SN74ALS522: 74x524 1 8-bit registered comparator open-collector 20 74F524: 74x525 1 16-bit programmable counter 28 74F525: 74x526 1 fuse programmable identity comparator, 16-bit 20 SN74ALS526: 74x527 1
In computational complexity theory, CC (Comparator Circuits) is the complexity class containing decision problems which can be solved by comparator circuits of polynomial size. Comparator circuits are sorting networks in which each comparator gate is directed, each wire is initialized with an input variable, its negation, or a constant, and one ...
Examples of digital comparator include the CMOS 4063 and 4585 and the TTL 7485 and 74682. An XNOR gate is a basic comparator, because its output is "1" only if its two input bits are equal. The analog equivalent of digital comparator is the voltage comparator.