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3011800000610
3011800000610

... (AMS) with a thick metal option. It includes high-speed SiGe HBTs with 59 GHz and 63 GHz ft and fmax values respectively. HBTs with two base contacts are utilized to reduce the base resistance, the critical source of noise in bipolar transistors. The topology for the VCO is a differential –Gm LC con ...
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... to develop a compensator for the converter. In digitally controlled converter system the loop gain is expressed by L(z)=Gc(z)Gvd(z), where Gc(z) is a digital controller. The closed loop of the converter is shown in Fig. 2. The foremost steps that are effective at the design stage are as follows: 1) ...
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... Great care must be taken in designing an amplifier that could function properly in the megahertz range. The frequencies between 1MHz to 300MHz are collectively known as radio frequency (RF). Frequencies higher than 300MHz are categorized as microwave frequency (MF). An RF amplifier is an amplifier t ...
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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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