Schneider Telemechanique Altivar 71 Installation Manual (0.37kW
... capacitors will be reduced. • If it is stopped for a prolonged period, turn the drive on every two years for at least 5 hours to restore the performance of the capacitors, then check its operation. It is recommended that the drive is not connected directly to the line voltage. The voltage should be ...
... capacitors will be reduced. • If it is stopped for a prolonged period, turn the drive on every two years for at least 5 hours to restore the performance of the capacitors, then check its operation. It is recommended that the drive is not connected directly to the line voltage. The voltage should be ...
Diapositiva 1 - WikiService.at
... A switch is a device for changing the course (or flow) of a circuit. The prototypical model is a mechanical device (for example a railroad switch) which can be disconnected from one course and connected to another. The term "switch" typically refers to electrical power or electronic telecommunicat ...
... A switch is a device for changing the course (or flow) of a circuit. The prototypical model is a mechanical device (for example a railroad switch) which can be disconnected from one course and connected to another. The term "switch" typically refers to electrical power or electronic telecommunicat ...
General Description Features
... plug is inserted at J2 or J3. The LDO is connected to the MIC through bias resistor R3. The bias voltage can be monitored at the MIC test point. Install a shunt on pins 2-3 on JU1 to place the IC in standby mode. The microphone bias connection either turns off permanently if a headset is inserted at ...
... plug is inserted at J2 or J3. The LDO is connected to the MIC through bias resistor R3. The bias voltage can be monitored at the MIC test point. Install a shunt on pins 2-3 on JU1 to place the IC in standby mode. The microphone bias connection either turns off permanently if a headset is inserted at ...
Low-Cost, Integrated, Analog Front-End for Weigh
... This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete devi ...
... This integrated circuit can be damaged by ESD. Texas Instruments recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete devi ...
Electron-emitting device, electron source and image
... Forming. Specifically, the term "energization Forming" means treatment of applying a DC voltage or a voltage gradually increasing at a very slow rate of about 1 V/minute, for example, across the electroconductive thin film 4 to locally destroy, deform or denature it to thereby form the electron-emit ...
... Forming. Specifically, the term "energization Forming" means treatment of applying a DC voltage or a voltage gradually increasing at a very slow rate of about 1 V/minute, for example, across the electroconductive thin film 4 to locally destroy, deform or denature it to thereby form the electron-emit ...
Chapter 34 Homework
... between the capacitor plates, the wire of an inductor provides an unbroken continuous path in which current can flow. When the current in a circuit is constant, an inductor acts essentially like a short circuit (i.e., a zero-resistance path). In reality, there is always at least a small amount of re ...
... between the capacitor plates, the wire of an inductor provides an unbroken continuous path in which current can flow. When the current in a circuit is constant, an inductor acts essentially like a short circuit (i.e., a zero-resistance path). In reality, there is always at least a small amount of re ...
Tesla coil - 50Webs.com
... neon sign transformers (NST’s). A high voltage tank capacitor is required to store charge in the circuit and a high voltage switch in the form of a static spark gap is needed to pulse switch the charge in the capacitor through the primary coil. A secondary coil supporting a metallic toroid or top lo ...
... neon sign transformers (NST’s). A high voltage tank capacitor is required to store charge in the circuit and a high voltage switch in the form of a static spark gap is needed to pulse switch the charge in the capacitor through the primary coil. A secondary coil supporting a metallic toroid or top lo ...
Powertrain Control Module (PCM ) Power Relay
... B8 : CHECK THE PCMRC CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS Ignition OFF. PCM Power Relay connector disconnected. PCM connector disconnected. ...
... B8 : CHECK THE PCMRC CIRCUIT FOR A SHORT TO GROUND IN THE HARNESS Ignition OFF. PCM Power Relay connector disconnected. PCM connector disconnected. ...
M48Z02
... but does not jeopardize the rest of the RAM's content. At voltages below VPFD (min), the user can be assured the memory will be in a write protected state, provided the VCC fall time is not less than tF. The M48Z02/12 may respond to transient noise spikes on VCC that reach into the deselect window d ...
... but does not jeopardize the rest of the RAM's content. At voltages below VPFD (min), the user can be assured the memory will be in a write protected state, provided the VCC fall time is not less than tF. The M48Z02/12 may respond to transient noise spikes on VCC that reach into the deselect window d ...
Voltage Oriented Control of Three
... In a plug‐in hybrid electric vehicle, the utility grid will charge the vehicle battery through the battery charger. For a three‐phase grid supply voltage, three‐phase boost rectifiers are a commonly used scheme for chargers. Bi‐directional power transfer capability and unit power factor operation ...
... In a plug‐in hybrid electric vehicle, the utility grid will charge the vehicle battery through the battery charger. For a three‐phase grid supply voltage, three‐phase boost rectifiers are a commonly used scheme for chargers. Bi‐directional power transfer capability and unit power factor operation ...
SN65C3238 数据资料 dataSheet 下载
... † All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C. ‡ Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings, and not more than one output should be shorted at a time. NOTE 4: Testing supply conditions are C1−C4 = 0.1 µF at VC ...
... † All typical values are at VCC = 3.3 V or VCC = 5 V, and TA = 25°C. ‡ Short-circuit durations should be controlled to prevent exceeding the device absolute power-dissipation ratings, and not more than one output should be shorted at a time. NOTE 4: Testing supply conditions are C1−C4 = 0.1 µF at VC ...
Datasheet PDF
... • The influence within a DC magnetic field is 20 mT* max. Do not use the Sensor at a level higher than 20 mT. • Sudden changes in the DC magnetic field may cause malfunction. Do not use the Sensor for applications that involve turning a DC electromagnet ON and OFF. • Do not place a transceiver near ...
... • The influence within a DC magnetic field is 20 mT* max. Do not use the Sensor at a level higher than 20 mT. • Sudden changes in the DC magnetic field may cause malfunction. Do not use the Sensor for applications that involve turning a DC electromagnet ON and OFF. • Do not place a transceiver near ...
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.