G. Hassan, D.J. Perreault, and T.A. Keim, “Design of Dual-Output Alternators with Switched-Mode Rectification,” 2003 IEEE Power Electronics Specialists Conference , Acapulco, Mexico, June 2003, pp. 1992-2000.
... rectifier to supply both the high and low voltage buses. One implementation approach that has been explored in the past [3,8,10,11] is illustrated in Fig.4. In the implementation of Fig. 4, a conventional diode bridge rectifier is used to supply the 42V bus. The 14V bus is supplied through a semi-co ...
... rectifier to supply both the high and low voltage buses. One implementation approach that has been explored in the past [3,8,10,11] is illustrated in Fig.4. In the implementation of Fig. 4, a conventional diode bridge rectifier is used to supply the 42V bus. The 14V bus is supplied through a semi-co ...
Test Point Diagram
... 280V DC (1+, 3-) 280V DC (Outdoor power circuit 15V DC board) 0-6.5V DC 15V DC (When stopped) 7.5V DC (When operated) (0V-15V pulse) (CNF2 is only for A42) ...
... 280V DC (1+, 3-) 280V DC (Outdoor power circuit 15V DC board) 0-6.5V DC 15V DC (When stopped) 7.5V DC (When operated) (0V-15V pulse) (CNF2 is only for A42) ...
T3029919 - Telecommunications Industry Association
... This Standard is of particular importance when the equipments in a system are furnished by different organizations. It does not attempt to indicate what action, if any, is to be taken if the limits are not met, but it is intended to provide a basis for agreement between the parties involved. ...
... This Standard is of particular importance when the equipments in a system are furnished by different organizations. It does not attempt to indicate what action, if any, is to be taken if the limits are not met, but it is intended to provide a basis for agreement between the parties involved. ...
ADS8345 数据资料 dataSheet 下载
... clock. It operates from a single supply of 2.7V to 5.25V. The external reference can be any voltage between 500mV and +VCC/2. The value of the reference voltage directly sets the input range of the converter. The average reference input current depends on the conversion rate of the ADS8345. ...
... clock. It operates from a single supply of 2.7V to 5.25V. The external reference can be any voltage between 500mV and +VCC/2. The value of the reference voltage directly sets the input range of the converter. The average reference input current depends on the conversion rate of the ADS8345. ...
Extinguishant Control Panel Operation and Maintenance
... 3.1 Two smoke detection circuits are provided and supply 24 volts ( + 5%) for the operation of trigger devices (smoke detectors or heat detectors). Terminals for the smoke detection circuits are labelled Z1 and Z- and Z2 and Z- for positive and negative connections respectively. It is important to o ...
... 3.1 Two smoke detection circuits are provided and supply 24 volts ( + 5%) for the operation of trigger devices (smoke detectors or heat detectors). Terminals for the smoke detection circuits are labelled Z1 and Z- and Z2 and Z- for positive and negative connections respectively. It is important to o ...
- Free Documents
... and suspected cause of failure. should avoid prolonged exposure to environments in which strobe signals. Figure . may cause harmful interference to radio communications. The strobe must have an uninterrupted source of power in order to operate correctly. No agent. These limits are designed to provid ...
... and suspected cause of failure. should avoid prolonged exposure to environments in which strobe signals. Figure . may cause harmful interference to radio communications. The strobe must have an uninterrupted source of power in order to operate correctly. No agent. These limits are designed to provid ...
LME49743 数据资料 dataSheet 下载
... and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s te ...
... and other changes to its products and services at any time and to discontinue any product or service without notice. Customers should obtain the latest relevant information before placing orders and should verify that such information is current and complete. All products are sold subject to TI’s te ...
MAX13234E–MAX13237E 3Mbps RS-232 Transceivers with Low-Voltage Interface General Description
... Contact Discharge, and ±15kV Human Body Model. The MAX13234E/MAX13235E have two receivers and two transmitters, while the MAX13236E/MAX13237E have a single receiver and transmitter. The transmitters have a low-dropout transmitter output stage, delivering true RS-232 performance from a +3V to +5.5V s ...
... Contact Discharge, and ±15kV Human Body Model. The MAX13234E/MAX13235E have two receivers and two transmitters, while the MAX13236E/MAX13237E have a single receiver and transmitter. The transmitters have a low-dropout transmitter output stage, delivering true RS-232 performance from a +3V to +5.5V s ...
Inductance and Capacitance Measurements
... T h e e q u i v a l e n tc i rc u i to facapaci torconsi stsofapurecapaci tance C pandaparal l el resistance Rp. as iliustrated in Figure 8-1(a). Cp representsthe actual capacitancevalue, and ftp represents.the resistanceof the dielectricor leakageresistancc.Capacitorsthat have a high leakagecurrent ...
... T h e e q u i v a l e n tc i rc u i to facapaci torconsi stsofapurecapaci tance C pandaparal l el resistance Rp. as iliustrated in Figure 8-1(a). Cp representsthe actual capacitancevalue, and ftp represents.the resistanceof the dielectricor leakageresistancc.Capacitorsthat have a high leakagecurrent ...
UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS
... (b) The two components are connected in parallel to a supply of e.m.f. 4.0 V. Calculate the total resistance of the circuit. ...
... (b) The two components are connected in parallel to a supply of e.m.f. 4.0 V. Calculate the total resistance of the circuit. ...
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.