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Client Design Review Presentation.
Client Design Review Presentation.

... The goals of this project are twofold: • Produce a prototype scooter that is lightweight and foldable, easy to use, and provides an electronic boost for uphill travel. • Provide future design teams with a database of knowledge, so that they can benefit from our project learning and experience. ...
What motor do I use?
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... simple set of rules and steps to follow for selecting the right motor. When using the watts per pound general rule of thumb, choosing an electric motor can be as simple as knowing the all-up weight of your model and its desired flying style. Variations on the type of flying needed, scale prop size, ...
RF power generation - CERN Accelerator School
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... possible output power from a single device is determined by the working voltage, the frequency, and the technology employed. Other factors which are important in the specification of power amplifiers include reliability and, in some cases, bandwidth. The capital and running cost of an accelerator is ...
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Design Analysis of a Remote Controlled “Pick and Place”
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... an on-chip oscillator, which must be run by an external clock signal. a quartz crystal is configured into an oscillator with the capacitors to provide the clock signal. A quartz crystal emits pulses at a fixed frequency when energy is applied to it.[5]. The PIC 18F425 use the clock signal provided b ...
Commercial Powersines COMEC
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Resistivity Measurements Using the Model 2450 SourceMeter SMU
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... One method takes a voltage measurement at zero amps and then subtracts this value from a reading taken at the desired test current. This method is called offset compensation and is an option that can be performed automatically in the resistance mode of the Model 2450. The other technique, the curren ...
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... The development of the transponder took some more than two years, because many problems did occur. The major two problems were the bandpass filter circuit, and the low voltage 2m power amplifier. For the bandpass filter I have order many kinds of filters, and tested all kinds of circuits. It took m ...
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... circuits working, more sophisticated equipment is typically required by those interested in radio and higher frequency circuits in general. In particular, the more complex designs in the RF realms normally require accurate adjustment, which in practice translates into a decent RF signal generator wi ...
Signal Issue 35 Ampliphase` transmitter
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... bought-in technology in 1956. In 1960, the BTA-50H was introduced and, although similar to the 50G, it featured solid-state silicon rectifiers throughout, new ‘lightweight’ power amplifier (PA) valves and an improved modulator system. RCA also used the same technology to build 5 kW (BTA-5L), 10 kW ( ...
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... and some other benefits. EXISTING SYSTEM:  Due to the elimination of the full-bridge input rectifier, the components in the current path are reduced and this results in fewer conduction losses.  There are several bridgeless PFC topologies already published, for example the “Basic Bridgeless Boost ...
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Specific symptoms of single-phase inverters faults that are required for an expert system design Sergiu Valentin Popescu, Constantin Ghiţă, Anca-Simona Deaconu, Aurel-Ionuţ Chirilă, Ioan-Dragoş Deaconu
Specific symptoms of single-phase inverters faults that are required for an expert system design Sergiu Valentin Popescu, Constantin Ghiţă, Anca-Simona Deaconu, Aurel-Ionuţ Chirilă, Ioan-Dragoş Deaconu

... majority of the possible faults. It is also capable to point out the fault causes and sometimes the steps to be performed in order to cancel that fault. In this way an expert system increases for sure the number of operating hours and the equipment’s life time. The presented power inverters are the ...
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Metadyne



A metadyne is a direct current electrical machine with two pairs of brushes. It can be used as an amplifier or rotary transformer. It is similar to a third brush dynamo but has additional regulator or ""variator"" windings. It is also similar to an amplidyne except that the latter has a compensating winding which fully counteracts the effect of the flux produced by the load current. The technical description is ""a cross-field direct current machine designed to utilize armature reaction"". A metadyne can convert a constant-voltage input into a constant-current, variable-voltage output.
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