For an amplifier, midband gain = 100 and lower cut-off frequency is 1 kHz. Find the gain of the amplifier at frequency = 20 Hz.
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Once the circuit has been through the initial stages of design, improvements can be made to get the design to match specific criteria. This design represents a basic audio amplifier, and therefore it should at least conform to the following very basic requirements. The gain (at the mid band frequency of 1kHz) should be of a specific value, this requirement would depend on the overall system design, of which this is only a single stage, but for this exercise:
Required Gain = 50
Bandwidth = 20Hz to 20kHz
Max. Undistorted Output Vpp > 70% of VCC
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