Application of the OP AMP2.pdf

Application of the OP AMP2.pdf

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Applications of the OP AMP Denver, CO Purpose: Examine an OP AMP circuit design cycle and gain experience in OP AMP circuit analysis. Equipment Required: 1 - HP 34401A Digital Multimeter 1 - HP E3631A power supply 1 - Protoboard 8 - 10-k Resistors 1 - 470- Resistor 4 - 1.2-k Resistors 1 - 11-k Resistor 3 - 1-k Resistors 1 - 741 OP AMP 1 - LM339 Quad Comparator 4 - LEDs Prelab: Your supervisor at your new job as an instrumentation engineer is part of a design team working on a remote sensing project. Her part of the project is to design a signal transmis-sion system and display for one of the remote sensors. The sensor is a digital device that outputs one octal number (base 8) represented by TTL (transistor-transistor logic) signals on each of three outputs (3 bits). For example, the sensor represents an octal 1 with an output of 5 V on the LSB (least significant bit). An output of 5 8 is represented by a TTL high (5 V) on the first and third bits (MSB, most significant bit) and the output of bit 2 is 0 V, representing a binary zero. The design of the display is left to her discretion. If she had direct access to the three data lines, this design would not be difficult; one solution would be to connect each of the three binary signal conductors to it’s own LED (light emitting diode). Each LED would then indicate a single binary digit. But in this case, she has been allocated only one signal conductor and a reference ground in a multi-conductor data cable.

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• Winter '19
• Digital Signal Processing, Binary numeral system, supervisor, Analog-to-digital converter, Digital-to-analog converter, Analog Circuits

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