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Q. Explain Current-to-Current Amplifier ?
The circuit given in Figure is to amplify a current fed to the input of the op amp. Applying KCL at Y,
i1 + iS = io
Since i1 = - vY /R1, Equation becomes
iS - vYR1 = io
Because X is a virtual ground, vY =-iSRf . Hence Equation becomes
The current gain is then given by
Q. Sketch the timing diagram for a 4-bit ripple counter which uses T flip-flops.
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Find the minimum rate of sampling that must be used to convert the message into digital form: (a) If an audio message has a spectral extent of 3 kHz. (b) If a television sign
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RIM Read Interrupt Mask Instruction This instruction is used to read the status of interrupts and read the serial input data. The status byte is loaded into the accu
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