4 Stage ripple counter with delay(f/f) 10msec. How much time it takes for a state to change. 4*10=40.

1021

In a 2 stage RC coupled amplifier, the emitter resistance of 1st stage consists of 2 resistances (Re and Re')in series and the bypass capacitor is connected across only one of them(bigger resistance). Why?

2809

what is a voltage transfer curve of an op-amp?

1027

I am a B Tech student n am very much interested in science n math.in which site i can find more concept regarding ECE?

1788

What are the different construction techniques in electronics?

965

What are the advantages of ac voltage controllers?

1273

For 65hp motors how kvr capacitor should be on??

1417

What is the construction of a solar cell? How is emf generated?

964

What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

2031

what is serial communication??

1954

Tell me why the feeding frequency to a microprocessor is twice the operating frequency?

1025

name the institue for l1,l2 tranning

2098

How can I make calculation to Install level transmitter (DP) for open tank and close tank

2220

describe the timing circuit of 8085 mpu?

2311

how work microwave anteena in mobile tower

2157