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Electronics and Communication
Microprocessors And Microcontrollers
Difficulty: Medium
A stake machine pushes operands on a stack and evaluates binary operators by a pcs (i.e pop/compute/store) where the top two operands are popped computation is performed and the result is pushed onto stack. Evaluation of an expression (x*y)+ (u*v) by Reverse Polish notation in a stack machine needs
More Electronics and Communication Questions
Consider the following statements S1: Silicon is indirect bandgap semiconductor S2: Germanium is direct bandgap semiconductor S3: Gallium Arsenide is direct bandgap semiconductor S4: Indium Phosphide is indirect bandgap semiconductor
An N-channel JFET, having a pinch-off voltage (V p ) of -5V, shows a trans conductance (g m ) of 1 mA/V when the applied gate-to-source voltage (V GS ) is -3V. Its maximum trans conductance (in mA/V) is
Normal practice in satellite communications is to have transponders to narrow bandwidth because
Let x(t) be a continuous time periodic signal with fundamental period T = 1 seconds. Let {a k } be the complex Fourier series coefficients of x(t), where k is integer valued. Consider the following statements about x(3t): 1. The complex Fourier series coefficients of x(3t) are {a k } where k is integer valued. 2. The complex Fourier series coefficients of x(3f) are {3a k } where k is integer valued. 3. The fundamental angular frequency of x(3t) is 6π rad/s. For the three statements above, which one of the following is correct?
The maximum range of pulsed radar depends on