CHAPTER 9 DATA ACQUISITION
... - The system only measures the difference between the terminals, and rejects other voltages in the system. - It is therefore ...
... - The system only measures the difference between the terminals, and rejects other voltages in the system. - It is therefore ...
Chapter 3 - RoadFacts Home Page
... What is a disadvantage of the "rubber duck" antenna supplied with most hand held radio transceivers? A. It does not transmit or receive as effectively as a full sized antenna B. It is much more expensive than a standard antenna C. If the rubber end cap is lost it will unravel very quickly D. It tran ...
... What is a disadvantage of the "rubber duck" antenna supplied with most hand held radio transceivers? A. It does not transmit or receive as effectively as a full sized antenna B. It is much more expensive than a standard antenna C. If the rubber end cap is lost it will unravel very quickly D. It tran ...
AN-146 FM Remote Speaker System
... 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 ...
A.C. PPT - School
... source-A Measure the period and frequency of an ac source using an oscilloscope or diagrams of oscilloscope traces- A/A* The period of an AC supply is the time taken for one complete oscillation. You can find this by looking at the time between one peak and the next, between one trough and the next, ...
... source-A Measure the period and frequency of an ac source using an oscilloscope or diagrams of oscilloscope traces- A/A* The period of an AC supply is the time taken for one complete oscillation. You can find this by looking at the time between one peak and the next, between one trough and the next, ...
EE101L Laboratory 4
... c) Build the circuit. Apply the correct input signal with the function generator. Monitor input and output voltage simultaneously on channels 1 and 2, respectively. Draw a graph of the scope images and verify the circuit does what you designed it to do. d) Vary the frequency of the input signal. Des ...
... c) Build the circuit. Apply the correct input signal with the function generator. Monitor input and output voltage simultaneously on channels 1 and 2, respectively. Draw a graph of the scope images and verify the circuit does what you designed it to do. d) Vary the frequency of the input signal. Des ...
Sources and detectors in the microwave region
... properties in solids. In studying solids without paramagnetic ions, diamagnetic host crystals are doped with paramagnetic impurities like transition-metal or rare-earth ions. Such, they are suitable for performing the EPR spectra measurement. Various features can be determined from the spectrum, suc ...
... properties in solids. In studying solids without paramagnetic ions, diamagnetic host crystals are doped with paramagnetic impurities like transition-metal or rare-earth ions. Such, they are suitable for performing the EPR spectra measurement. Various features can be determined from the spectrum, suc ...
HF-VHF SDR receiver-part1-YU1LM
... 0.7 m. In this moment it is not easy task to make simple SDR receiver for the VHF and UHF HAM bands except if we use some HF SDR receiver (like mine DR1, DR2, DR2….) as first or second IF in classic design with intermediate frequency. I made some experiments in 2004 and tryed to make DC (direct conv ...
... 0.7 m. In this moment it is not easy task to make simple SDR receiver for the VHF and UHF HAM bands except if we use some HF SDR receiver (like mine DR1, DR2, DR2….) as first or second IF in classic design with intermediate frequency. I made some experiments in 2004 and tryed to make DC (direct conv ...
RFVC1800 数据资料DataSheet下载
... Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publicat ...
... Rating conditions to the device may reduce device reliability. Specified typical performance or functional operation of the device under Absolute Maximum Rating conditions is not implied. RoHS status based on EUDirective2002/95/EC (at time of this document revision). The information in this publicat ...
IF112 – Double Deka - Ultrasonic VCO
... panel sliders. Now imagine two of these separate waveforms, each with a precisely stepped 6 octave range control that can also be externally voltage controlled. In addition, using a built in knob or external control voltage, you can cross-fade between the two waveforms. Add to this, two unique new t ...
... panel sliders. Now imagine two of these separate waveforms, each with a precisely stepped 6 octave range control that can also be externally voltage controlled. In addition, using a built in knob or external control voltage, you can cross-fade between the two waveforms. Add to this, two unique new t ...
CONSTANT FREQUENCY-UNIFIED POWER QUALITY
... UPQC is a combination of series active and shunt active filter. The series active filter and shunt active filters are used to compensate the voltage, current imbalance and harmonics. In order to avoid the switching oscillation, passive filters are placed at the output of each inverter. At the output ...
... UPQC is a combination of series active and shunt active filter. The series active filter and shunt active filters are used to compensate the voltage, current imbalance and harmonics. In order to avoid the switching oscillation, passive filters are placed at the output of each inverter. At the output ...
1. Introduction 2. Oscillator Center Frequency and Inductor Choice 3
... The MLP is required for extended frequency range operation because it has a smaller package inductance. Figure 1 illustrates the recommended PCB pattern for LEXT = 0 nH. This figure illustrates shorts on the RF1, RF2, and IF oscillators. Refer to the data sheet for details about which oscillators ma ...
... The MLP is required for extended frequency range operation because it has a smaller package inductance. Figure 1 illustrates the recommended PCB pattern for LEXT = 0 nH. This figure illustrates shorts on the RF1, RF2, and IF oscillators. Refer to the data sheet for details about which oscillators ma ...
IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) ISSN(e) : www.iosrjournals.org
... the dc motor clockwise or anticlockwise. For remote control, we have used the HOLTEK encoder and decoder pair of HT12EandHT12D. Both of these are 18 pin DIP ICs. HT12D and HT12E are CMOS ICs with a working voltage range of 2.4V to 12V. Encoder HT12E has 8 address lines & another 4 data line. The dat ...
... the dc motor clockwise or anticlockwise. For remote control, we have used the HOLTEK encoder and decoder pair of HT12EandHT12D. Both of these are 18 pin DIP ICs. HT12D and HT12E are CMOS ICs with a working voltage range of 2.4V to 12V. Encoder HT12E has 8 address lines & another 4 data line. The dat ...
Sélectivité et anisotropie des Filtres Spatiaux :
... prediction of the hysteresis band is added to a phase-locked-loop control, in order to ensure constant switching frequency and tight control of the position of modulation pulses. This allows high accuracy in tracking highly distorted current waveforms, and minimises the ripple in three-phase systems ...
... prediction of the hysteresis band is added to a phase-locked-loop control, in order to ensure constant switching frequency and tight control of the position of modulation pulses. This allows high accuracy in tracking highly distorted current waveforms, and minimises the ripple in three-phase systems ...
BSNL(JTO) Examination 2006
... of the antenna is given as ηr = 95%, the input power of the antenna is (a) 2.222 Watt (b) 12.11 Watt (c) 55.55 Watt (d) 59.52 Watt Q.17 In an airport, a receiving, antenna has a maximum dimension of 3 metres and operates at 100 MHz. An aircraft approaching the airport is 1/2 Km away from the antenna ...
... of the antenna is given as ηr = 95%, the input power of the antenna is (a) 2.222 Watt (b) 12.11 Watt (c) 55.55 Watt (d) 59.52 Watt Q.17 In an airport, a receiving, antenna has a maximum dimension of 3 metres and operates at 100 MHz. An aircraft approaching the airport is 1/2 Km away from the antenna ...
Brief Introduction of High-Speed for Optical Communication Systems
... Synchronous networks such as the Synchronous Digital Hierarchy (SDH) and the Synchronous Optical NETwork (SONET) rely on highly accurate and stable synchronization to process data in and out of network elements. Jitter is used to describe short term, noncumulative variations of the significant ins ...
... Synchronous networks such as the Synchronous Digital Hierarchy (SDH) and the Synchronous Optical NETwork (SONET) rely on highly accurate and stable synchronization to process data in and out of network elements. Jitter is used to describe short term, noncumulative variations of the significant ins ...
Signals, their classification, parameters, the discrete and continuous
... technology, which deal with the generation, distribution, switching, storage, and conversion of electrical energy to and from other energy forms using wires, motors, generators, batteries,switches, relays, transformers, resistors, and other passive components. This distinction started around 1906 wi ...
... technology, which deal with the generation, distribution, switching, storage, and conversion of electrical energy to and from other energy forms using wires, motors, generators, batteries,switches, relays, transformers, resistors, and other passive components. This distinction started around 1906 wi ...
Optical Interconnects for Computer Systems
... electrical busses Interconnect performance does not increase comparably with the system performance Solutions ...
... electrical busses Interconnect performance does not increase comparably with the system performance Solutions ...
Fixing Up Nice Old Radios
... You should hear whistle when tuned to a carrier. (Check oscillation at G1 or P of tube with scope) (Check BFO frequency with counter or listen for harmonic. Readjust frequency.) (Check BFO coupling capacitor.) Automatic Volume Control Is S-meter working properly? (Measure AVC line voltage.) (Is AVC ...
... You should hear whistle when tuned to a carrier. (Check oscillation at G1 or P of tube with scope) (Check BFO frequency with counter or listen for harmonic. Readjust frequency.) (Check BFO coupling capacitor.) Automatic Volume Control Is S-meter working properly? (Measure AVC line voltage.) (Is AVC ...
Heterodyne
Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden, in which new frequencies are created by combining or mixing two frequencies. Heterodyning is used to shift one frequency range into another, new one, and is also involved in the processes of modulation and demodulation. The two frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer. In the most common application, two signals at frequencies f1 and f2 are mixed, creating two new signals, one at the sum f1 + f2 of the two frequencies, and the other at the difference f1 − f2. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired, and the other signal is filtered out of the output of the mixer. Heterodynes are related to the phenomenon of ""beats"" in acoustics.A major application of the heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers.