STEK Manuals

LM393 is a voltage comparator from Dinghao Electronics. It has wide supply voltage range, low supply current, low input biasing current, low input offset current, low input offset voltage, input common-mode voltage range includes GND, differential input voltage range etc.

LM358 is a dual-channel low-power operational amplifier with high gain and low power supply voltage. It is suitable for a variety of applications, such as amplifying signals, dcgain blocks, etc.

NE555 is a monolithic timing circuit capable of producing accurate time delays or oscillation, which was introduced by the National Semiconductor Company in 1972. It has the advantages of high timing accuracy, complete functions and wide application range.

LM339 is a voltage comparator produced by Estek company. Its features are wide voltage range, low current consumption, low input bias current and low input offset voltage. It can be powered by a single power supply or a split power supply.