Question: 2 . 2 In the following circuit Cir 2 . 2 , calculate R 1 , R 2 , RC and RE to achieve gain
In the following circuit Cir calculate R R RC and RE to achieve gain of Note the followings:
The supply voltage is V Choose collector current around mA Choose R and R such that the design is independent of Beta. Choose RE such that the design is not prone to VBE variations. Hint: Use low values for RE Choose RC to get gain of Choose Q as N
Simulate the above circuit using SPICE to verify your calculations. Note the followings: The frequency of interest is kHz Choose C such that it does not affect the AC output but it is not too large, either. Start with microfarad capacitor and reduce it until it starts affecting AC amplitude then decide on the value of C Gain: Apply a mV peak sinewave to the input, check the output waveform using transient analysis. By dividing the output amplitude to the input amplitude find the gain.
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