More about current (255)

1-12-2003 | The precision current sink shown in Figure 1, which uses a Si4936 DY dual MOSFET (IC1) as a controlled load resistance, is very energy-effic...

1-07-2003 | The IMT902 from Nanotec is a PWM chopper type sinusoidal microstep bipolar stepper motor driver. Two stepper motors can be controlled by a s...

1-12-2002 | The circuit diagram shows a simple current source constructed from discrete components, which can deliver a constant current into a load con...

1-12-2002 | The LT1970 from Linear Technology (www.linear-tech.com/pdf/1970f.pdf) is a power opamp with adjustable current limit, available in a 20 pin...

1-12-2002 | There’s nothing new about a current source consisting of a transistor, a resistor and an LED to provide the reference voltage. However, what...

1-07-2002 | All simple constant-current sources generally operate on the same principle: a current is allowed to flow through a resistance and some sort...

1-07-2002 | This energy saving, 12-V controller is nearly universally applicable. In addition to controlling battery powered lighting in a car, boat or...

1-01-2002 | Although the Elektor Electronics USB interface described in the September 2000 issue allows the port current to be set for only one port, th...

1-07-2001 | ICs for measuring currents usually employ external sense resistors with values of a few tens of milliohms. Not only are such resistors diffi...

1-07-2001 | In the form of the LT1618, Linear Technology (www.lineartech.com) has made available a step-up switching regulator with a current limit mech...