IF 1664 Revision 2
... damaged parts, or leakage evidenced by water or corrosion in the interior. Replace all worn, damaged, or malfunctioning components and clean gasket seals before putting the luminaire back into service. ...
... damaged parts, or leakage evidenced by water or corrosion in the interior. Replace all worn, damaged, or malfunctioning components and clean gasket seals before putting the luminaire back into service. ...
CM1402 数据资料DataSheet下载
... OptiGuardt is a trademark of Semiconductor Components Industries, LLC (SCILLC). ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, repr ...
... OptiGuardt is a trademark of Semiconductor Components Industries, LLC (SCILLC). ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, repr ...
specialists in the design, manufacture and supply of dc
... T/R unit. These stresses can be caused through thermal expansion of the busbar system, misalignment of the busbar system on assembly or small vibrations from within the T/R unit. The T/R connection flexibles are usually designed to be more flexible than the Expansion flexibles with a thickness, made ...
... T/R unit. These stresses can be caused through thermal expansion of the busbar system, misalignment of the busbar system on assembly or small vibrations from within the T/R unit. The T/R connection flexibles are usually designed to be more flexible than the Expansion flexibles with a thickness, made ...
Inspecting Electrical
... Service Panel Inspection Check for loose or unattached conductors Check wires for signs of arcing, charred metal or burnt wire insulation Evaluate cables entering box for proper protection and fastening ...
... Service Panel Inspection Check for loose or unattached conductors Check wires for signs of arcing, charred metal or burnt wire insulation Evaluate cables entering box for proper protection and fastening ...
13cm PSK transceiver for 1.2Mbit/s packet radio
... more than 500mW of output power at the same time. Just a few years ago, an equivalent circuit would require three or four silicon bipolar transistors. The CLY2 is a low-voltage power GaAs FET that operates at a drain voltage of just 4.5V, while generating its own negative gate bias voltage by rectif ...
... more than 500mW of output power at the same time. Just a few years ago, an equivalent circuit would require three or four silicon bipolar transistors. The CLY2 is a low-voltage power GaAs FET that operates at a drain voltage of just 4.5V, while generating its own negative gate bias voltage by rectif ...
SERVO CONNECTIONS FOR OLDER BOARDS
... HomeWork Board Rev B. The instructions that come after this figure will show you how to safely build this circuit. Use only a 9 V battery when your Parallax Standard Servo is connected to the BASIC Stamp HomeWork Board Rev B. Do not use any kind of DC supply or “battery replacer” that plugs into an ...
... HomeWork Board Rev B. The instructions that come after this figure will show you how to safely build this circuit. Use only a 9 V battery when your Parallax Standard Servo is connected to the BASIC Stamp HomeWork Board Rev B. Do not use any kind of DC supply or “battery replacer” that plugs into an ...
CoolRunner-II Demo Board Summary
... LCD Displays The primary display on the demo board is a custom display fabricated specifically for operation at 1.8V drive levels. Each operable visual item in the display is a separate LCD segment which is driven directly by the CPLD. To properly drive an LCD such as this one, the CPLD provides a r ...
... LCD Displays The primary display on the demo board is a custom display fabricated specifically for operation at 1.8V drive levels. Each operable visual item in the display is a separate LCD segment which is driven directly by the CPLD. To properly drive an LCD such as this one, the CPLD provides a r ...
Chapter06
... The total line current equals the sum of the branch currents for all parallel strings. The RT for the entire circuit equals the applied voltage divided by the total line current. For any resistance in a series string, the IR voltage drop across that resistance equals the string’s current multiplied ...
... The total line current equals the sum of the branch currents for all parallel strings. The RT for the entire circuit equals the applied voltage divided by the total line current. For any resistance in a series string, the IR voltage drop across that resistance equals the string’s current multiplied ...
article_nim_c_v6 - High Energy Experiment
... The input signal from a group of CSC wires goes through the Protection Board (PB) to the 16-channel Anode Front-End Board (AFEB). The Protection Board is a part of the chamber assembly. It is located on the signal side of the CSC and is soldered to the anode wire network. The AFEB plugs directly int ...
... The input signal from a group of CSC wires goes through the Protection Board (PB) to the 16-channel Anode Front-End Board (AFEB). The Protection Board is a part of the chamber assembly. It is located on the signal side of the CSC and is soldered to the anode wire network. The AFEB plugs directly int ...
Series-Parallel Circuits
... The total line current equals the sum of the branch currents for all parallel strings. The RT for the entire circuit equals the applied voltage divided by the total line current. For any resistance in a series string, the IR voltage drop across that resistance equals the string’s current multiplied ...
... The total line current equals the sum of the branch currents for all parallel strings. The RT for the entire circuit equals the applied voltage divided by the total line current. For any resistance in a series string, the IR voltage drop across that resistance equals the string’s current multiplied ...
Chapter 11 Fundamentals of Passives: Discrete, Integrated, and
... Magnetic cores increase B field, and thus inductance ...
... Magnetic cores increase B field, and thus inductance ...
Basic Electronics III Series/Parallel Combination
... one another and which components are in parallel. Series components must be in one current path without any branch points. To find particular values for this type of circuit, Reduce and combine the components using the rules for individual series and parallel circuits. Reduce the circuit to ...
... one another and which components are in parallel. Series components must be in one current path without any branch points. To find particular values for this type of circuit, Reduce and combine the components using the rules for individual series and parallel circuits. Reduce the circuit to ...
Design and evaluation of a low thermal electromotive
... Due to the high-bulk resistance of the fiberglass circuit board material, most of the leakage current typically flows on the surface of the circuit board. The circuit board has guard traces surrounding the main circuit traces. Where the main circuit crosses from one side of the board to the other so ...
... Due to the high-bulk resistance of the fiberglass circuit board material, most of the leakage current typically flows on the surface of the circuit board. The circuit board has guard traces surrounding the main circuit traces. Where the main circuit crosses from one side of the board to the other so ...
Virtex-5 FPGA PCB Designer’s Guide www.BDTIC.com/XILINX UG203 (v1.4) April 20, 2009
... substrate material (usually FR4, an epoxy/glass composite) with copper plating on both sides has portions of copper etched away to form conductive paths. Layers of plated and etched substrates are glued together in a stack with additional insulator substrates between the etched substrates. Holes are ...
... substrate material (usually FR4, an epoxy/glass composite) with copper plating on both sides has portions of copper etched away to form conductive paths. Layers of plated and etched substrates are glued together in a stack with additional insulator substrates between the etched substrates. Holes are ...
ATC Resistors and Terminations Engineering Guidelines: Design
... Figure 5: Normalized percent resistance change of TaN oven-aged resistors The question may now be asked, is aging under powered conditions the same as oven aging? We have already alluded to the possibility of an aging effect with applied DC voltage, but what about AC? The answer is that AC power agi ...
... Figure 5: Normalized percent resistance change of TaN oven-aged resistors The question may now be asked, is aging under powered conditions the same as oven aging? We have already alluded to the possibility of an aging effect with applied DC voltage, but what about AC? The answer is that AC power agi ...
MAX14532E Evaluation Kit Evaluates: General Description Features
... Jumper JU1 provides two options for powering the MAX14532E VCC input. VCC operates either from a user-supplied 2.7V to 5.5V power supply connected at the EXT_VCC and GND PCB pads or from the output of the 3V LDO regulator (MAX8510). The external power supply connected at EXT_VCC, in conjunction with ...
... Jumper JU1 provides two options for powering the MAX14532E VCC input. VCC operates either from a user-supplied 2.7V to 5.5V power supply connected at the EXT_VCC and GND PCB pads or from the output of the 3V LDO regulator (MAX8510). The external power supply connected at EXT_VCC, in conjunction with ...
Electrical Safety and Isolation in High Voltage Applications
... 3.3 Comparative tracking Index CTI The Comparative Tracking Index or CTI is used to measure the electrical breakdown (tracking) properties of an insulating material. Comparative tracking index is expressed as that voltage which causes tracking after 50 drops of 0.1 percent ammonium chloride solution ...
... 3.3 Comparative tracking Index CTI The Comparative Tracking Index or CTI is used to measure the electrical breakdown (tracking) properties of an insulating material. Comparative tracking index is expressed as that voltage which causes tracking after 50 drops of 0.1 percent ammonium chloride solution ...
Corrosion Resistance of Electric Wire Terminals Used in Harsh
... Zinc and zinc-alloys are typically protected by a thin barrier coating of chromate that is also referred to as a passivation (chemical treatment to form a protective passive film).6 Chromate coatings traditionally used have been hexavalent (CrVI or Cr6+). Legislation in Europe and elsewhere has iden ...
... Zinc and zinc-alloys are typically protected by a thin barrier coating of chromate that is also referred to as a passivation (chemical treatment to form a protective passive film).6 Chromate coatings traditionally used have been hexavalent (CrVI or Cr6+). Legislation in Europe and elsewhere has iden ...
Series-Parallel Circuits
... circuit, add the series resistances and combine the parallel resistances. In this diagram, R1 and R2 are in series, and R3 and R4 are in parallel. However, R2 is not in series with either R3 or R4. Resistances in series have the same current, but the current in R2 is equal to the sum of the branch ...
... circuit, add the series resistances and combine the parallel resistances. In this diagram, R1 and R2 are in series, and R3 and R4 are in parallel. However, R2 is not in series with either R3 or R4. Resistances in series have the same current, but the current in R2 is equal to the sum of the branch ...
Golden Rules for Low Emission
... Measurement of conducted immunity (harmonic signal coupled on power supply plane according to DPI standard). At each harmonic frequency, the disturbance power is increased until a circuit failure arises. ...
... Measurement of conducted immunity (harmonic signal coupled on power supply plane according to DPI standard). At each harmonic frequency, the disturbance power is increased until a circuit failure arises. ...
Printed circuit board
A printed circuit board (PCB) mechanically supports and electrically connects electronic components using conductive tracks, pads and other features etched from copper sheets laminated onto a non-conductive substrate. PCBs can be single sided (one copper layer), double sided (two copper layers) or multi-layer (outer and inner layers). Multi-layer PCBs allow for much higher component density. Conductors on different layers are connected with plated-through holes called vias. Advanced PCBs may contain components - capacitors, resistors or active devices - embedded in the substrate.FR-4 glass epoxy is the primary insulating substrate upon which the vast majority of rigid PCBs are produced. A thin layer of copper foil is laminated to one or both sides of an FR-4 panel. Circuitry interconnections are etched into copper layers to produce printed circuit boards. Complex circuits are produced in multiple layers. Printed circuit boards are used in all but the simplest electronic products. Alternatives to PCBs include wire wrap and point-to-point construction. PCBs require the additional design effort to lay out the circuit, but manufacturing and assembly can be automated. Manufacturing circuits with PCBs is cheaper and faster than with other wiring methods as components are mounted and wired with one single part. Furthermore, operator wiring errors are eliminated.When the board has only copper connections and no embedded components, it is more correctly called a printed wiring board (PWB) or etched wiring board. Although more accurate, the term printed wiring board has fallen into disuse. A PCB populated with electronic components is called a printed circuit assembly (PCA), printed circuit board assembly or PCB assembly (PCBA). The IPC preferred term for assembled boards is circuit card assembly (CCA), and for assembled backplanes it is backplane assemblies. The term PCB is used informally both for bare and assembled boards.The world market for bare PCBs reached nearly $60 billion in 2012.