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   Digital and Analog Circuit DesignDepending on the application there will usually be a mix of analog and
digital circuitry around a microprocessor based subsystem.
I have many years of experience in the design of digital electronics and
microprocessor based systems. My analog design experience is limited
more to low frequency systems, rather than RF or microwave.
 
 
    
        | My specific design experience includes: 
    Intel and Zilog Microprocessors and support ICs
    Altera Programmable Logic Devices
    all TTL and CMOS device families
    serial and parallel communications
    memory arrays
    displays: CRTs, LCDs, LED and fluorescent display types
    keypads and keyboards
    analog interface circuits: A/D, D/A, amplifiers, filters,
        comparators, opto-isolators, current loops etc.
    output drive stages
    power supplies
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