Question:
The input frequency of seven cascaded T flip-flops is 512 kHz. What is the time period of the output?
The input frequency of seven cascaded T flip-flops is 512 kHz. What is the time period of the output?
Show Hint
Each T flip-flop divides frequency by 2. Use \( T = 1/f \).
Updated On: May 23, 2025
- 13.67 μs
- 250 μs
- 125 μs
- 500 μs
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Each T flip-flop divides frequency by 2.
So final frequency = \( 512~kHz / 2^7 = 512 / 128 = 4~kHz \)
Time period = \( 1 / 4~kHz = 250~\mu s \)
Was this answer helpful?
0
0
Top TS PGECET Electrical Engineering Questions
- A 1-$\phi$, RC series circuit has \( R = 5\, \Omega \) and \( C = 10\, \mu F \). If the angular frequency of current is 20000 rad/sec, then the applied voltage
- A source voltage of 100 V dc is applied across a RLC series circuit. Under steady-state conditions, voltages across each element is
- The equivalent inductance of two equal inductances when connected in series aiding is 14 H and when connected in series opposing is 6 H. What is the coefficient of coupling?
- Certain resistors connected in parallel and the equivalent resistance is \( X \). If one of the resistances is removed the equivalent resistance is \( Y \). What is the conductance value of removed resistance?
For an input voltage \( v = 10 \sin 1000t \), the Thevenin's impedance at the terminals X and Y for the following circuit is
View More Questions
Top TS PGECET Analog and Digital Electronics Questions
The V-I characteristic of a FET is shown below. For small signal amplification the device should be biased in the region
The base current of CE transistor in active region is 15 μA, find \( V_{CE} \), assuming \( \beta = 150 \), \( R_C = 2~k\Omega \) and \( V_{CC} = 12~V \).
- If an inverting Op-Amp with \( R_f = 50~k\Omega \) and \( R = 200~k\Omega \) is reconfigured as non-inverting Op-Amp, then its voltage gain is
The Op-Amp circuit shown below is a (an)
- The depletion mode MOSFET is also known as
View More Questions
Top TS PGECET Questions
- If \( P = \begin{pmatrix} 1 & 1 & 1 \\ 0 & 1 & 2 \\ 0 & 0 & 1 \end{pmatrix} \) is the modal matrix of \( A = \begin{pmatrix} 1 & 1 & 0 \\ 0 & 2 & 2 \\ 0 & 0 & 3 \end{pmatrix} \) then the sum of all the elements of \( P^{-1}AP \) is
- If the system of equations \( kx + y + z = k - 1 \), \( x + ky + z = k - 1 \), and \( x + y + kz = k - 1 \) has infinite solutions, then \( k \) is
- The value of the integral \( \int_C (2xy - x^2) \, dx + (x^2 + y^2) \, dy \) where \( C \) is the boundary of the region enclosed by \( y = x^2 \) and \( y^2 = x \), described in the positive sense, is
- Let \( f(x) = \log x \). The number \( C \) strictly between \( e^2 \) and \( e^3 \) such that its reciprocal is equal to \( \frac{f(e^3) - f(e^2)}{e^3 - e^2} \) is
- The solution of the differential equation \( (D^2 + 2)y = x^2 \) is
View More Questions