Hwk_42_f10_01 - ECE 3042 Fall 2010 Homework No 1 for Exp No 1 Due Week of September 6 1 Shown below is a single stage common emitter amplier using

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ECE 3042 Fall 2010 Homework No. 1 for Exp. No. 1 Due Week of September 6 1. Shown below is a single stage common emitter ampli f er using an 2N3904 NPN BJT as the active device. Design the circuit so that it clips symmetrically, viz. pick R B 1 and R B 2 so that the collector current is that which yields symmetric clipping. The design speci f cation for the magnitude of the small signal midband voltage gain is 33 . For the design calculations assume the the base-to-emitter dc voltage drop is 0 . 65V , that the current in R B 1 is 10 I B , β = 200 , the base spreading resistance is 10 , and the Early voltage is in f nity. 2. For the circuit parameters indicated in the diagram, use either National Instruments or Cadence SPICE to determine: into the collector and base leads and out of the emitter. the small signal ac voltage gain, viz. a plot of the gain,
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This note was uploaded on 09/14/2010 for the course ECE 3080 taught by Professor Staff during the Spring '08 term at Georgia Institute of Technology.

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