Ideal current source has zero internal resistance.
An ideal current source is a theoretical concept in electrical circuits and electronics. It is ____ _________ ______ ____ ________ ______ ___ _______ ____.
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For Fig. 9.4 of your study material, the formula for feedback loop gain is
where AV is the fixed gain of IC380. Design and draw the circuit using IC380 to obtain the gain of 100.
State the biasing conditions for E-B and C-B junctions in a BJT for its proper operation. Explain the output characteristics of a CE configuration of an amplifier.
Design and draw a circuit using an op-amp to get + 8 V at output for input less than +4 V and - 8 V at output for input greater than +4 V.
Find the Thevenin equivalent for the circuit shown in Fig. 1 between terminals a and b. Calculate the current in and the voltage across the load resistance RL.
You want to amplify an input signal with 10 mV amplitude and 50 MHz frequency. Which characteristics of op-amp will be significant in this case? What will be the value of these parameters? Why?
When same voltage is applied to both the inputs of an op-amp the output voltage is infinite
The turns ratio of a transformer used in half wave rectifier is 20:1. The primary is connected to the power mains: 220 V, 50 Hz. If the diode resistance in forward bias is 20 and the load resistance, RL is 500 , determine
i) the peak value, the dc value and the rms value of current
; ii) the ripple factor; and
iii) the rectification efficiency