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Describe 74LS139 memory decoder.
The 74LS139 is a dual 2-to-4 line decoder. This contains two separate 2-to-4 line decoders - all with its address, output and enable connections.
The Pin-out of the 74LS139
To have the same value of P e , show that E b /N 0 in a coherent-ASK system has to be twice that in a coherent PSK system.
emitter followers regulator
On running the simulation, a data display will automatically open, similar to that shown in figure. The red circle is the source mismatch stability curve. This will give an indicat
Q. Consider the circuit of Figure in which the switch S has been open for a long time and is closed at t = 0. Determine v C (t) for t ≥ 0.
If aluminium and copper pipes are of same length and diameter ... same magnet dropped through them...in copper it takes more time to come out of other end, i myself have done this.
Loudspeakers using single driver are unable to cover the entire frequency band from low frequency to high frequency. Sometimes multiband frequency is required for the bass enhancem
Number of holes in valence band: Derive the expression for number of holes in valence band and Fermi level in an intrinsic semiconductor. (b) By that percentage does the
State and prove parallelogram law of forces and explain it''s applications
Q. Evaluate complex power in power system? The complex power ¯S in a single-phase systemis the complex sum of the real (P) and reactive (Q) power, expressed as follows:
Q. The two-wattmeter method for measuring three-phase power is applied on a balanced wye-connected load, and the readings are given by W C = 836W and W A = 224 W If the system
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