This paper proposes a novel differential mixer topology. The traditional stage of switching is replaced by a stack of NMOS and PMOS transistors combined. A design is given of a 900 MHz down-conversion mixer using a 0.35 ...

This paper proposes a novel differential mixer topology. The traditional stage of switching is replaced by a stack of NMOS and PMOS transistors combined. A design is given of a 900 MHz down-conversion mixer using a 0.35 ...

The decision for the building construction industry was due to its dynamics, having diverse areas within a project, many construction workers are involved, and they are exposed to machinery and equipments noise. Machinery ...

The decision for the building construction industry was due to its dynamics, having diverse areas within a project, many construction workers are involved, and they are exposed to machinery and equipments noise. Machinery ...

The main objective of the titling work was to carry out an ergonomic study of the machinery operators of the construction company COVIPAL Cia. Ltda. in the project “Resurfacing of the streets of Riobamba”, where the ...

The technical proposal for the corrective maintenance and improvement for the main generator group from the Mobil concrete mixer plant and alternate generator for Depohormigón Enterprise, of Ambato city. It had as an ...

The construction of benches and bases for synthetic granite machines has been growing considerably. They have become attractive due to the high degree of damping compared to cast iron, a material of traditional use for ...