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NVT4555 1. General description SIM card interface level translator and supply voltage LDO
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... Resistance (ESR) are used respectively at the battery (VBAT) and VCC input terminals of the NVT4555. X5R and X7R type multi-layer ceramic capacitors (MLCC) are preferred because they have minimal variation in value and ESR over temperature. The maximum ESR should be < 500 m(50 m typical). Also, a ...
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... When MODE[1:0] = 0 (18-bit interface mode), this pin is Bit 0 of the parallel port data output bus and the data coding is straight binary. In all other modes, this pin allows the choice of straight binary/twos complement. When OB/2C is high, the digital output is straight binary; when low, the MSB i ...
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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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