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When communicating with a geostationery satellite from earth,the distance between transmitter and receiver is approximately 35000km.assume that the friis law for free space loss is applicable and the stations have parabolic antennas with gains 60db and 20db at the 11ghz carrier frequency.1) draw the link budget between transmitted power ptx and received power prx2) if the satellite receiver requires a minimum received piwer of -120 dbm what transmit power is requires at te earth station antenna
An AM broadcast receiver's pre-selector has a total effective Q of 90 to a received signal at 1180 kHz and uses an IF of 455 kHz. Calculate the image frequency and its dB of suppression.
The parking lot of the Spenditall Megamall has an area of 128 ac. It is partially landscaped to provide some areas of grass. Assume that an average of 63% of the water that falls on the parking lot will flow
A PLL frequency synthesizer has a variable -modulus prescaler of M=10/11 and divider ratios of the A and N COUNTERS OF 40 and 260. the reference frequency is 50khz. what are the VCO OUT PUT FREQUENCY and the minimum frequency step increment
the operation of an induction machine here used as an asynchronous generator her connected to a 3 phase electric system. a) What does asychronous mean in this context b) How is it possible to improve the operation of this generator on the system
Single pole amp. has an open loop gain 10^6 and open loop bandwidth of 10Hz. If the feedback factor =1, calculate the gain and bandwidth after the feedback
Laplace transform of a pulse, Consider computing the Laplace transform of a pulse: use the integral formula to find P(s)
An absolute encoder is to be used for measurements that require a minimum resolution of 0.05 minute or arc. What is the number of bits required to achieve the specified resolution
Assume that the radius of the sun is 6.955x10^8 m and that the mean distance of the sun from the earth is 149.6x10^9m A.what is the diameter of the solar disk on the SAM projection screen
three coins are tossed. Describe the following events: A. at least two heads occur. B. At most one head occurs. C. Exactly two heads occur. D. No heads occur Find the probability for the occurence of each event.
a square plate of 50x50 pixels size placed at the origin of the x-y plane of a camera coordinate system is sheared vertically so that the point (49,0) moves to (49,10), and then rotated by 30 degrees.
The counter should increment on the rising edge of an input signal we'll call COUNT. Another input called CLEAR should have the effect of setting the counter to zero if CLEAR = 1 when COUNT is asserted.
A common source amplifier utilizes a mosfet for which Va= 12.5 V and is operated at Vov= .25V. What is the value of (gmro) The amplifier feed a load resistance RL= 15Kohms. The designer selects RD=2RL. If its required to realizes an overall voltag..
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