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Archives for June, 2014

Comparator OP Amp

Comparator OP Amp using IC AD820, AD539,  AD827, AD538 The AD820 is a low power FET op amps can operate from supplies of 5.0 V to 36 V, or dual supplies of 2.5 V to 18 V. AD820 to accommodate input signals below ground in single supply mode. Output voltage swing extends to within 10 […]

Cell phone power supply schematic using 723 and 7812

Cell phone power supply schematic 2 – 7V 6/8A using 723, 7812, Tip 142, BD 139 Cell Phone Charger and Adapter Applications. This product is universal, portable and a rechargeable power for Power Bank Cell phone power supply schematic 2-7V 6-8A using 723 and 7812 Block diagram of Linear Regolated power supply. This simple usb cellphone […]

low pass audio filter circuit

low pass audio filter circuit low pass audio filter circuit Using NE5534, TL074, A1015, B507, A671, C1815, D313, C1061, TL072, LF347N low pass audio filter circuit low pass audio filter circuit

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

LM555 Electronics Schematic Diagram Two Stage Time Delay Circuit part 29

How do you Make Dimmer Schema Switches for Lamps, Brushed motors, Soldering iron or heater

How do you Make Dimmer Schema Switches for Lamps, Brushed motors, Soldering iron or heater

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