Tag Archives: electronics

Classification of Power Amplifiers

By admin | Published: September 11, 2009
For an amplifier, a quiescent operating point (Q point) is fixed by selecting the proper d.c biasing to the transistors used. The quiescent operating point is shown the load line, which is plotted on the output characteristics of the transistor. The position of the quiescent point on the load line decides the class of operation [...]
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Construction of Digital Respiration Rate Meter

By admin | Published: September 11, 2009
An actual size, single side PCB for the respiration rate meter. The interface assembly simply make use of a nose mask, which is readily available in medical shops and mainly used in hospitals for supply for oxygen to the patients for respiration. Take a 36cm long transparent glass tube with inner diameter of 5mm. Insert a [...]
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