Vibration and Monitoring Terms Glossary
... expressed in units of cycles per minute (cpm), or cycles per second (cps or Hz) and may be expressed relative to shaft RPM. For rotating machinery vibrations, there are two types of frequencies of interest: 1) the shaft rotational frequency (RPM) and 2) the various vibration frequencies as measured ...
... expressed in units of cycles per minute (cpm), or cycles per second (cps or Hz) and may be expressed relative to shaft RPM. For rotating machinery vibrations, there are two types of frequencies of interest: 1) the shaft rotational frequency (RPM) and 2) the various vibration frequencies as measured ...
9115 Multi Range DC Power Supply
... The supply has a universal AC input that accepts line voltage input within: Voltage: 115 V (+/-10%) or 230 V (+/- 10 %) Frequency: 47 Hz – 63 Hz Before connecting to an AC outlet or external power source, be sure that the power switch is in the OFF position and verify that the AC power cord, includi ...
... The supply has a universal AC input that accepts line voltage input within: Voltage: 115 V (+/-10%) or 230 V (+/- 10 %) Frequency: 47 Hz – 63 Hz Before connecting to an AC outlet or external power source, be sure that the power switch is in the OFF position and verify that the AC power cord, includi ...
digital transmission basic concepts unit 1
... amplitude less than S/2, the noise will not appear at the output. One instance in which the noise does exceed S/2 is indicated in the fig., correspondingly, an error in level does occur. The statistical nature of noise is such that even if the average noise magnitude is much less that S/2, there ...
... amplitude less than S/2, the noise will not appear at the output. One instance in which the noise does exceed S/2 is indicated in the fig., correspondingly, an error in level does occur. The statistical nature of noise is such that even if the average noise magnitude is much less that S/2, there ...
TPS62622EVM-419 数据资料 dataSheet 下载
... the TPS6261x, TPS6262x, and TPS6266x support up to 350-mA load current, and allow the use of low-cost chip inductors and capacitors. With a wide input voltage range of 2.3 V to 5.5 V, the devices support applications powered by lithium-ion (Li-Ion) batteries with extended voltage ranges. Different f ...
... the TPS6261x, TPS6262x, and TPS6266x support up to 350-mA load current, and allow the use of low-cost chip inductors and capacitors. With a wide input voltage range of 2.3 V to 5.5 V, the devices support applications powered by lithium-ion (Li-Ion) batteries with extended voltage ranges. Different f ...
Main dipole circuit simulations
... • A set of simulations has been conducted in order to study the proposed (and partly implemented) modifications to the circuit: snubber capacitors across the switches of the extraction system; additional resistors in the PC filter branches; inversion between the PC filter and the thyristor branches. ...
... • A set of simulations has been conducted in order to study the proposed (and partly implemented) modifications to the circuit: snubber capacitors across the switches of the extraction system; additional resistors in the PC filter branches; inversion between the PC filter and the thyristor branches. ...
MAX2043EVKIT.pdf
... improves VSWR and reduces the errors due to mismatch. 3) Use the power meter to set the RF signal generators according to the following: • RF signal source: 0dBm into DUT at 1900MHz (this will be about +3dBm before the 3dB pad). • LO1 signal source: 0dBm into DUT at 2100MHz (this will be about +3dBm ...
... improves VSWR and reduces the errors due to mismatch. 3) Use the power meter to set the RF signal generators according to the following: • RF signal source: 0dBm into DUT at 1900MHz (this will be about +3dBm before the 3dB pad). • LO1 signal source: 0dBm into DUT at 2100MHz (this will be about +3dBm ...
Computer interfacing Introduction
... Typical A.C. amplifier design Condenser a microphone amplifier circuit, and the diagram showing the output swing around the biased (steady state volateg) 2.5V. The capacitors isolate the stages of different biases. Condenser MIC output impedance is 75 Ohms. What is the input impedance of the amplif ...
... Typical A.C. amplifier design Condenser a microphone amplifier circuit, and the diagram showing the output swing around the biased (steady state volateg) 2.5V. The capacitors isolate the stages of different biases. Condenser MIC output impedance is 75 Ohms. What is the input impedance of the amplif ...
Analogue Differential Inputs - Rockwell Automation Knowledgebase
... First, it is essential to understand the how the Operational Amplifier (Op Amp) works : The Op Amp amplifies the voltage difference between In1 and In2 by its “open loop gain”. This gain is very high, typically greater than 100,000. The effect is to adjust its output Vo so that the voltage at In1 ...
... First, it is essential to understand the how the Operational Amplifier (Op Amp) works : The Op Amp amplifies the voltage difference between In1 and In2 by its “open loop gain”. This gain is very high, typically greater than 100,000. The effect is to adjust its output Vo so that the voltage at In1 ...
NB6L11S - 2.5 V 1:2 AnyLevel Input to LVDS Fanout Buffer / Translator
... are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent ...
... are registered trademarks of Semiconductor Components Industries, LLC (SCILLC) or its subsidiaries in the United States and/or other countries. SCILLC owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent ...
VSP2582 数据资料 dataSheet 下载
... Overview The VSP2582 is a complete mixed-signal IC that contains all of the key features associated with processing the CCD imager output signal in a video camera, digital still camera, security camera, or similar application. A simplified block diagram is shown in Figure 4. The VSP2582 includes a c ...
... Overview The VSP2582 is a complete mixed-signal IC that contains all of the key features associated with processing the CCD imager output signal in a video camera, digital still camera, security camera, or similar application. A simplified block diagram is shown in Figure 4. The VSP2582 includes a c ...
Slash Rated Devices 2
... Two significant additions to NEC 240.85 were included in the 2002 NEC. They cover voltage ratings of slash-rated circuit breakers and single-pole interrupting capabilities of circuit breakers. The proper application of both of these ratings is dependent upon the type of grounding scheme utilized. S ...
... Two significant additions to NEC 240.85 were included in the 2002 NEC. They cover voltage ratings of slash-rated circuit breakers and single-pole interrupting capabilities of circuit breakers. The proper application of both of these ratings is dependent upon the type of grounding scheme utilized. S ...
General Description Features Pin Assignment Block Diagram 8312I
... The 8312I is a low skew, 1-to-12 LVCMOS/ LVTTL Fanout Buffer and a member of the family of High Performance Clock Solutions from IDT. The 8312I single-ended clock input accepts LVCMOS or LVTTL input levels. The low impedance LVCMOS outputs are designed to drive 50 series or parallel terminated tran ...
... The 8312I is a low skew, 1-to-12 LVCMOS/ LVTTL Fanout Buffer and a member of the family of High Performance Clock Solutions from IDT. The 8312I single-ended clock input accepts LVCMOS or LVTTL input levels. The low impedance LVCMOS outputs are designed to drive 50 series or parallel terminated tran ...
Twelve-Sided Polygonal Voltage Space Vector
... 5th and 7th harmonics in the motor phase voltage. These harmonic currents restrict the bandwidth of the closed-loop current controllers and require a different approach for current controller design in the overmodulation region [8]. Multilevel inverter-fed induction motor drives can also be realized ...
... 5th and 7th harmonics in the motor phase voltage. These harmonic currents restrict the bandwidth of the closed-loop current controllers and require a different approach for current controller design in the overmodulation region [8]. Multilevel inverter-fed induction motor drives can also be realized ...
The Effect of Ripple Steering on Control Loop Stability for a CCM
... considerable reactive current to flow through the filter, which is a source of additional and unwanted loss. Furthermore, with ripple steering, the discharge resistor that must be placed in parallel to Cx for safety reasons can be higher. As a result, both losses are minimized. With ripple steering, ...
... considerable reactive current to flow through the filter, which is a source of additional and unwanted loss. Furthermore, with ripple steering, the discharge resistor that must be placed in parallel to Cx for safety reasons can be higher. As a result, both losses are minimized. With ripple steering, ...
thermoelectric devices - Hawaii Space Grant Consortium
... thermoelectric devices would need less radioactive material to produce the same amount of power, making the power generation system lighter. Less radioactive material will also decrease the cost of spaceflight launches. Although these devices are used mostly in spacecraft technologies, they can be a ...
... thermoelectric devices would need less radioactive material to produce the same amount of power, making the power generation system lighter. Less radioactive material will also decrease the cost of spaceflight launches. Although these devices are used mostly in spacecraft technologies, they can be a ...
PIO-16/16L(PCI)H
... a digital signal I/O function on a PC. This product can input and output digital signals at 12 - 24VDC. This product features 16 opto-coupler isolated inputs and 16 opto-coupler isolated open-collector outputs. You can use 16 input signals as interrupt inputs. In addition, the digital filter functio ...
... a digital signal I/O function on a PC. This product can input and output digital signals at 12 - 24VDC. This product features 16 opto-coupler isolated inputs and 16 opto-coupler isolated open-collector outputs. You can use 16 input signals as interrupt inputs. In addition, the digital filter functio ...
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.