Kreutter: Circuits 2 Voltage/Current/Resistance Lab Voltage, Current
... Be sure to connect the positive lead from the power supply to the positive terminal of the ammeter. To connect multiple resistors (loads), use alligator clips to fasten them together in series. Your final connection should be to the negative terminal of the power supply. IF YOU SEE OR SMELL SMOKE, ( ...
... Be sure to connect the positive lead from the power supply to the positive terminal of the ammeter. To connect multiple resistors (loads), use alligator clips to fasten them together in series. Your final connection should be to the negative terminal of the power supply. IF YOU SEE OR SMELL SMOKE, ( ...
Exam questions
... 13. State how the ripple voltage may be reduced in the output from a power supply unit. 14. Smoothing capacitors usually have relatively large values. (a) State the type of capacitor that is used in order to provide such large values. (b) Identify an important characteristic of this type of capacito ...
... 13. State how the ripple voltage may be reduced in the output from a power supply unit. 14. Smoothing capacitors usually have relatively large values. (a) State the type of capacitor that is used in order to provide such large values. (b) Identify an important characteristic of this type of capacito ...
Topward Power Supplies
... Zero to rated voltage continuously variable with front panel coarse and fine voltage knobs ...
... Zero to rated voltage continuously variable with front panel coarse and fine voltage knobs ...
Test Procedure for the NCP5425 Dual Output Evaluation Board
... 4.0 Line Regulation Monitor output voltage while DC supply is increased from 5 V to 12 V. Verify that both outputs maintain regulation over the input voltage range and that input current does not exceed 12 A. Also, verify that the board does not hiss or squeal. ...
... 4.0 Line Regulation Monitor output voltage while DC supply is increased from 5 V to 12 V. Verify that both outputs maintain regulation over the input voltage range and that input current does not exceed 12 A. Also, verify that the board does not hiss or squeal. ...
Electricity 4
... center of the circuit. (And there’s a reason I called it the “current” and not “total current”) D. Since there is only one path in the circuit this current must the current flowing through each resistor, so put arrows above each resistor and label them with the current you already calculated. ...
... center of the circuit. (And there’s a reason I called it the “current” and not “total current”) D. Since there is only one path in the circuit this current must the current flowing through each resistor, so put arrows above each resistor and label them with the current you already calculated. ...
Transmille Training - Making Good Measurements
... To overcome, or at least reduce the lead and pick up problem it is very common to measure high value resistors at higher voltages to obtain higher currents to measure. The voltage is generated by a calibrator and the current is measured by a Pico amp meter or electrometer. Transmille 2000 series can ...
... To overcome, or at least reduce the lead and pick up problem it is very common to measure high value resistors at higher voltages to obtain higher currents to measure. The voltage is generated by a calibrator and the current is measured by a Pico amp meter or electrometer. Transmille 2000 series can ...
Evaluates: MAX1676 MAX1676 Evaluation Kit General Description Features
... The MAX1676 is a high-efficiency, step-up DC-DC converter for portable hand-held devices. It accepts a positive input voltage between 0.7V to 5.5V and converts it to a higher output voltage. The MAX1676 includes a damping circuit (at BATT) that suppresses inductor ringing to reduce electromagnetic i ...
... The MAX1676 is a high-efficiency, step-up DC-DC converter for portable hand-held devices. It accepts a positive input voltage between 0.7V to 5.5V and converts it to a higher output voltage. The MAX1676 includes a damping circuit (at BATT) that suppresses inductor ringing to reduce electromagnetic i ...
Episode 107 - Teaching Advanced Physics
... Most multimeters can function as ohm meters, for measuring resistance directly. They apply a small voltage to the component being tested and then measure the current it draws. Ohm meters must only be connected directly across the components they are measuring, which must be removed from any other ci ...
... Most multimeters can function as ohm meters, for measuring resistance directly. They apply a small voltage to the component being tested and then measure the current it draws. Ohm meters must only be connected directly across the components they are measuring, which must be removed from any other ci ...
15.9 TWO
... 15.9 T W O - P O R T S * It should be obvious by now that circuits with dependent sources can perform much more interesting and useful signal processing than those constructed solely from two-terminal resistive elements. But inclusion of dependent sources has brought about a modest increase in circu ...
... 15.9 T W O - P O R T S * It should be obvious by now that circuits with dependent sources can perform much more interesting and useful signal processing than those constructed solely from two-terminal resistive elements. But inclusion of dependent sources has brought about a modest increase in circu ...
Lab 1: Current, Voltage, Resistance
... measure the current flowing through the resistor by using the multimeter. Plot the Voltage (V) versus Current (I) curve. From the slope of the curve, find the resistance of the resistor. ...
... measure the current flowing through the resistor by using the multimeter. Plot the Voltage (V) versus Current (I) curve. From the slope of the curve, find the resistance of the resistor. ...
GAC is the name of a series of bipolar chopper drives, suitable for
... GAC drives are realized in 250 x 100 x 56 mm format and are equipped with built-in power supply, screw-type terminals and brackets for mounting simplicity inside electrical cabinets. Due to this, they are particularly suitable for stand-alone applications. R.T.A. experience, together with a careful ...
... GAC drives are realized in 250 x 100 x 56 mm format and are equipped with built-in power supply, screw-type terminals and brackets for mounting simplicity inside electrical cabinets. Due to this, they are particularly suitable for stand-alone applications. R.T.A. experience, together with a careful ...
Resistive opto-isolator
Resistive opto-isolator (RO), also called photoresistive opto-isolator, vactrol (after a genericized trademark introduced by Vactec, Inc. in the 1960s), analog opto-isolator or lamp-coupled photocell, is an optoelectronic device consisting of a source and detector of light, which are optically coupled and electrically isolated from each other. The light source is usually a light-emitting diode (LED), a miniature incandescent lamp, or sometimes a neon lamp, whereas the detector is a semiconductor-based photoresistor made of cadmium selenide (CdSe) or cadmium sulfide (CdS). The source and detector are coupled through a transparent glue or through the air.Electrically, RO is a resistance controlled by the current flowing through the light source. In the dark state, the resistance typically exceeds a few MOhm; when illuminated, it decreases as the inverse of the light intensity. In contrast to the photodiode and phototransistor, the photoresistor can operate in both the AC and DC circuits and have a voltage of several hundred volts across it. The harmonic distortions of the output current by the RO are typically within 0.1% at voltages below 0.5 V.RO is the first and the slowest opto-isolator: its switching time exceeds 1 ms, and for the lamp-based models can reach hundreds of milliseconds. Parasitic capacitance limits the frequency range of the photoresistor by ultrasonic frequencies. Cadmium-based photoresistors exhibit a ""memory effect"": their resistance depends on the illumination history; it also drifts during the illumination and stabilizes within hours, or even weeks for high-sensitivity models. Heating induces irreversible degradation of ROs, whereas cooling to below −25 °C dramatically increases the response time. Therefore, ROs were mostly replaced in the 1970s by the faster and more stable photodiodes and photoresistors. ROs are still used in some sound equipment, guitar amplifiers and analog synthesizers owing to their good electrical isolation, low signal distortion and ease of circuit design.