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Analog Integrated Circuits Lab

Analog integrated circuits laboratory design course leverages the student's knowledge in the fundamentals of electrical engineering circuit design through the design, analyze, simulate, build breadboard, and testing of an analog integrated circuit. The projects requires that the IC design must be DC coupled, the breadboard must use IC matched transistor pairs such as CA3046 and CA3096, the IC design should contain current mirrors, differential stage, active loads, voltage gain stage, output stage, and level shifter if appropriate for the IC design.

Throughout the ten week course the student will be required to propose the IC design type; use and model matched transistor pairs; present IC design with stated performance goals; breadboard any CE, CB, CC, cascode, or Darlington amplifier states; breadboard any differential amplifier stages with resistor biasing; breadboard any current mirror circuits and active loads including differential stages; breadboard any level shifter circuits and output stages; breadboard complete IC and bench test. A complete test report comparing IC design performance goals to measured performance will be submitted. This laboratory course is designed to be taken concurrently with an Analog Integrated Circuits Course.




Integrated Circuit Course Procedure and Objectives

1. Student teams will design, analyze, simulate, construct breadboard, and test an analog integrated circuit. Choose one of the following integrated circuits:

• Operational Amplifier
• Instrumentation Amplifier
• Voltage Follower / Buffer
• Voltage Comparator
• Voltage Reference
• Digital to Analog Converter
• Analog to Digital Converter
• Sample and Hold Amplifier
• Analog Switch / Multiplexer
• Phase Locked Loop
• Voltage Controlled Oscillator
• Other: Instructor approval is required

2. IC design must be DC coupled.

3. Breadboard must use IC matched transistor pairs such as CA3046 and CA3096.

4. IC design should contain the following building blocks (if applicable):

• Current Mirror
• Differential Stage
• Active Loads
• Voltage Gain Stage
• Output Stage
• Level Shifter

Typical Course Schedule

Week 1 - Form teams, brainstorm ideas, propose integrated circuit type

Week 2 - Use and model CA 3046 and CA 3096 matched transistor pairs or equivalent components

Week 3 n 4 - Develop IC design, testing criteria, and performance goals

Week 5 - Breadboard any common emitter, common base, common collector, cascode, or darlington amplifier stages

Week 6 - Breadboard any differential amplifier stages with resistor biasing

Week 7 - Breadboard any current mirror circuits and active loads including differential stages

Week 8 - Breadboard any level shifter circuits and output stages

Week 9 - Breadboard the complete IC, interconnect stages, and test

Week 10 - Team project completion requiring the following:
Complete testing and written report comparing IC design results to performance goals Oral class presentation and bench top demonstration.

Note: It is highly recommended to perform component and breadboard level testing throughout each stage of the IC design project.


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