Question 1 In the diagram of Superheterodne AM receiver shown below explain the function of each block. (a) 15 marks Antenna Speaker Audio and power amplifiers RF IF Mixer Detector Mi amplifier a...
QUESTION 1 (25 MARKS) a. A block diagram of a small private radio station is shown in Figure Q1(a). Operating at a frequency of 550 kHz, the station receives a full AM signal with 260 mW of power. The minimum and maximum bandwidths required by the system are 100 kHz and 200 kHz. If the surrounding temperature of the system is 18 °C, calculate the following: i. Noise Figure, NF for the system. (CO2: PO2 - 2.5 marks) ii. Noise...
thanks Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteristics of an operational amplifier 2. To study the bias circuit of an operational amplifier B. Apparatus: 1. DC Power supply 2. Experimental board and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Multimeter...
Yes, this is one problem. Please solve ALL PARTS. Guaranteed thumbs up for the person who solves it. 3 1. Photodiode amplifier circuit You are designinga CF photosensor circuit for a light detection and ranging LiDAR) system in autonomous vehicles. The circuit utilizes a transimpedance amplifier to convert low-level RF photodiode current signal to a usable voltage output. It consists of a photodiode, an amplifier, and feedback capacitor/resistor pair as shown in Figure 1. We will derive simple equations to...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...