7 | INTRODUCTION | 1 | 8 | FM TRANSMITTER CIRCUIT DISCRIPTION | 2 | 9 | ASSEMBLY INSTRUCTION | | 10 | CIRCUIT CALLIBRATION | | 11 | LEARNING EXPERIENCE | | 12 | LIST OF COMPONENTS | | 13 | CONCLUSION | | 14 | APPENDIX | | 15 | FUTURE PROSPECTS & INNOVATIONS | | 16 | REFERENCES | | LIST OF SYMBOLS 1. L INDUCTANCE 2. R RESISTANCE 3. C CAPACITANCE 4. V VOLTAGE LIST OF FIGURES 1. Figure 3.1:Fm transmitter circuit design 2. Figure 5.1: LIST OF TABLES
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operate at the same frequency. When something moves in the area covered by the circuit the circuit’s fine balance is disturbed and the alarm is triggered. The circuit is very sensitive and can be adjusted to reset itself automatically or to stay triggered till it is reset manually after an alarm. Technical Specifications - Characteristics Working voltage: 12V DC Current: 30 mA How it Works As it has already been stated the circuit consists of an ultrasonic transmitter and a receiver both of which work at
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Modes: circuit switching; packet switching Networking Modes Connection-Oriented: connection is established before information transfer occurs. All information from source follows the same path to the destination. The line is disconnected after the transmission is complete. No delay in transmission since the path is predetermined. NWs operate in circuit switching: Example: PSTN‚ SDH/SONET‚ DWDM; packet-switched NWs: X.25‚ Frame Relay‚ ATM NWs. PVCs (permanent virtual circuits)- connection
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of the main hazards of using inductances is electrical energy stored in the magnetic field. If a circuit containing an inductance is interrupted then the stored energy can release through air (forming an arc). This can destroy a switch contact‚ burn fingers‚ create other damage. In the circuit of Figure 1‚ show how to mitigate the risk (pay attention to polarity!). We give the elements in this circuit some simple values for the purpose of better description and explanation. Say V = 5V‚ R= 1 Ω and
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DESIGN AND CONSTRUCTION OF PROGRAMMABLE ELECTRIC COOKER BY AGBONTA DANIEL OJIEH ENG0409334 DEPARTMENT OF ELECTRICAL/ELECTRONICS AND COMPUTER ENGINEERING UNIVERSITY OF BENIN BENIN CITY OCTOBER‚ 2012 DESIGN AND CONSTRUCTION OF PROGRAMMABLE ELECTRIC COOKER BY AGBONTA DANIEL OJIEH ENG0409334 A PROJECT SUBMITTED IN THE PARTIAL FULFILLMENT OF THE REQUIREMENT FOR THE AWARD OF BACHELOR OF ENGINEERING (B.ENG) DEGREE IN DEPARTMENT OF ELECTRICAL/ELECTRONICS AND COMPUTER ENGINEERING
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performance characteristics‚ time and frequency response of linear systems. 2. To study the effects of controllers. 1. Open circuit and load characteristics of separately excited and self excited D.C. generator. 2. Load test on D.C. shunt motor. 3. Swinburne’s test and speed control of D.C. shunt motor. 4. Load test on single phase transformer and open circuit and short circuit test on single phase transformer 5. Regulation of three phase alternator by EMF and MMF methods. 6. Load test on three phase
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Oscillator. [Online]. Wikipedia http://en.wikipedia.org/wiki/Crystal_oscillator [7]Hyundai Semiconductor‚ HY6264 8Kx8-Bit CMOS SRAM‚ 19 pages http://corrosion-doctors.org/Batteries/nominal.htm [13](2010‚ February 23) Voltage Comparator Information and Circuit [Online] http://home.cogeco.ca/~rpaisley4/Comparators.html [14] John (2009‚ March 31) 5V Power Supply with Overvoltage Protection [Online] [16] Mike (2007‚ August 22) How to make really good homemade PCBs [Online] [28] Philips Semiconductor‚ (1990
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Relaxation Oscillator Circuit Diagram I was given the circuit below to test and analyse. This circuit is a circuit of a Relaxation Oscillator. | Relaxation Oscillator | |[pic] | |
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inverter circuit illustrated earlier is actually too crude to be of practical use as a gate. Real inverter circuits contain more than one transistor to maximize voltage gain (so as to ensure that the final output transistor is either in full cutoff or full saturation)‚ and other components designed to reduce the chance of accidental damage. Shown here is a schematic diagram for a real inverter circuit‚ complete with all necessary components for efficient and reliable operation: This circuit is composed
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Functions of Combinational Circuits • Adders A circuit to perform addition of two binary numbers‚ to produce a sum and carry out‚ is called a HalfAdder. In multi-bit binary numbers‚ after adding the two least significant bits‚ the addition becomes one of adding two operands plus the carry produced by the previous add. The circuit to implement this operation is called a Full-Adder. A circuit to add two multi-bit binary numbers together in parallel‚ or at least pseudo-parallel is called a ripple-carry
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