Network Powering Strategies and Alternatives
... Lead acid batteries have been the backbone of energy storage for CATV and telephony networks. While battery technology continues to mature with the attendant performance improvement and cost decrease, lead acid batteries are and will remain a weak link in the power system due to the inherent mainten ...
... Lead acid batteries have been the backbone of energy storage for CATV and telephony networks. While battery technology continues to mature with the attendant performance improvement and cost decrease, lead acid batteries are and will remain a weak link in the power system due to the inherent mainten ...
MAX5932 Positive High-Voltage, Hot-Swap Controller General Description Features
... a fault condition (see the Detailed Description section). ...
... a fault condition (see the Detailed Description section). ...
Voltage Controlled Oscillator
... simulations are performed with VDD varying from 0.8V to 1.4V with a 50mV step (Test in simulation) . We clearly observe a very important increase of the output frequency with VDD (Almost a factor of 2 between the lower and upper bounds). This means that any supply fluctuation has a significant impac ...
... simulations are performed with VDD varying from 0.8V to 1.4V with a 50mV step (Test in simulation) . We clearly observe a very important increase of the output frequency with VDD (Almost a factor of 2 between the lower and upper bounds). This means that any supply fluctuation has a significant impac ...
10% THD Electronic TT5 Fluorescent Ballast
... High Efficiency (QHE) energysaving electronic DULUX L 40W ballasts save up to 6 to 9% over standard electronic ballasts without compromising light output or lamp life. The added energy savings also provides for a quicker payback. SYSTEM DL40 is available in a two lamp and a three lamp model. Both ar ...
... High Efficiency (QHE) energysaving electronic DULUX L 40W ballasts save up to 6 to 9% over standard electronic ballasts without compromising light output or lamp life. The added energy savings also provides for a quicker payback. SYSTEM DL40 is available in a two lamp and a three lamp model. Both ar ...
28 NA • iEEE SpEctrum • dEcEmbEr 2008 Authorized licensed use
... and Harvard’s Center for Brain Science are just three. However, even a mouse brain simulation in real time involves solving an astronomical number of coupled partial differential equations. A digital computer capable of coping with this staggering workload would need to be the size of a small city, ...
... and Harvard’s Center for Brain Science are just three. However, even a mouse brain simulation in real time involves solving an astronomical number of coupled partial differential equations. A digital computer capable of coping with this staggering workload would need to be the size of a small city, ...
Potentiometer - Make Your Point
... Learn It! A potentiometer is a variable resistor. Resistors provide electrical impedance to current flow, forcing a voltage drop across their terminals. Most resistors have a fixed resistance value, measured in ohms. A potentiometer functions much like a normal resistor, except that its resistance v ...
... Learn It! A potentiometer is a variable resistor. Resistors provide electrical impedance to current flow, forcing a voltage drop across their terminals. Most resistors have a fixed resistance value, measured in ohms. A potentiometer functions much like a normal resistor, except that its resistance v ...
TLP Model 4000C - RedWolf Instructions
... Different countries/places have different voltage supplies. BEFORE you start operating the charger please MAKE SURE you know the voltage supply of the location you are using the charger. Set the charger to the correct voltage for your location by switching the button on the bottom of the charger to ...
... Different countries/places have different voltage supplies. BEFORE you start operating the charger please MAKE SURE you know the voltage supply of the location you are using the charger. Set the charger to the correct voltage for your location by switching the button on the bottom of the charger to ...
shooting A Heat Pump that is Not Performing at Full Capacity
... he equipment in this month’s troubleshooting problem is a heat pump that has a four-stage heating system. The customer is complaining that the unit is not heating enough when the temperature drops at night. This equipment is three-phase, in which the first stage of heating is the refrigeration syste ...
... he equipment in this month’s troubleshooting problem is a heat pump that has a four-stage heating system. The customer is complaining that the unit is not heating enough when the temperature drops at night. This equipment is three-phase, in which the first stage of heating is the refrigeration syste ...
Evaluates: MAX1501 MAX1501 Evaluation Kit General Description Features
... to the total charging time, battery voltage levels, top-off current, die temperature regulation levels, and charging modes. LEDs on the board indicate the status of the charging cycle. ...
... to the total charging time, battery voltage levels, top-off current, die temperature regulation levels, and charging modes. LEDs on the board indicate the status of the charging cycle. ...
RF_commissioning1 - Indico
... stability and efficiency will be monitored. • Measurement of gain. • Output voltage and current. • Output voltage ripple at specified frequency ranges. • Power factor at full output. • Harmonic injection into the mains supply at selected levels including full output. • Time taken to switch to zero o ...
... stability and efficiency will be monitored. • Measurement of gain. • Output voltage and current. • Output voltage ripple at specified frequency ranges. • Power factor at full output. • Harmonic injection into the mains supply at selected levels including full output. • Time taken to switch to zero o ...
AP6015
... Layout Considerations A good board layout practice can significantly improve the stability of the application circuit and reduce the system noise. The feedback path must be as short as possible. The input capacitor and bypass capacitor must be placed close to the PVCC and the VCC pins for optimal pe ...
... Layout Considerations A good board layout practice can significantly improve the stability of the application circuit and reduce the system noise. The feedback path must be as short as possible. The input capacitor and bypass capacitor must be placed close to the PVCC and the VCC pins for optimal pe ...
AN-880 APPLICATION NOTE
... requires other components such as excitation currents or voltage references. Again, these must be low drift, low noise components so that the system accuracy is not degraded. Initial inaccuracies such as offset can be calibrated out of the system, but the drift of the components with temperature mus ...
... requires other components such as excitation currents or voltage references. Again, these must be low drift, low noise components so that the system accuracy is not degraded. Initial inaccuracies such as offset can be calibrated out of the system, but the drift of the components with temperature mus ...
10-1 GLOSSARY TO TERMS A - Abbreviation for ampere. Absolute
... components are fabricated separately and then assembled. Ion - An electrically charged atom or group of atoms. Ionization - The electrically charged particles produced by high energy radiation such as light or ultraviolet rays or by the collision of particles during thermal agitation. Junction - The ...
... components are fabricated separately and then assembled. Ion - An electrically charged atom or group of atoms. Ionization - The electrically charged particles produced by high energy radiation such as light or ultraviolet rays or by the collision of particles during thermal agitation. Junction - The ...
MAX4684/MAX4685 0.5Ω/0.8Ω Low-Voltage, Dual SPDT Analog
... the analog inputs are not current limited to <20mA, add a small signal diode (D1) as shown in Figure 1. Adding a protection diode reduces the analog range to a diode drop (about 0.7V) below V+ (for D1). RON increases slightly at low supply voltages. Maximum supply voltage (V+) must not exceed +6V. P ...
... the analog inputs are not current limited to <20mA, add a small signal diode (D1) as shown in Figure 1. Adding a protection diode reduces the analog range to a diode drop (about 0.7V) below V+ (for D1). RON increases slightly at low supply voltages. Maximum supply voltage (V+) must not exceed +6V. P ...
HALT/HASS Testing Drives Product Reliability
... A digital multimeter (DMM) is connected in parallel with the load resistance to measure the power-supply voltage. The load resistance is chosen to simulate that found in the final application, or may be chosen to force the power supply to its maximum output capacity for testing purposes. Power suppl ...
... A digital multimeter (DMM) is connected in parallel with the load resistance to measure the power-supply voltage. The load resistance is chosen to simulate that found in the final application, or may be chosen to force the power supply to its maximum output capacity for testing purposes. Power suppl ...
Speed Control With Low Armature Loss for Very Small Sensorless
... This rate, the PWM frequency, is typically 50–400 Hz. In the case of very small motors, the mechanical pole and PWM frequency lie close together. ...
... This rate, the PWM frequency, is typically 50–400 Hz. In the case of very small motors, the mechanical pole and PWM frequency lie close together. ...