Fundamental Electronics and Electronics Production

Format: Lecture

Assignment:

• Make (mill, stuff, program) the Fab (tiny)ISP in-circuit programmer

Learning Outcomes:

Upon successfully completing this class students will be capable of:

• Distinguist the different electronic components and their functions
• Describe the process of production and programming
• Demonstrate correct workflows and identify areas for improvement if required

Fundamental Electronics

Power

• Source
  • Battery
• Connection
  • Jumper
  • Fuse
  • Pushbutton
  • Switch
  • Rotary Switch
  • Rotational encoder
  • Relay
• Moderation
  • Resistor
  • Potentiometer
  • Capacitor
  • Variable Capacitor
  • Inductor
• Conversion
  • AC-AC transformer
  • AC-DC Power supply
  • DC-DC converter
  • DC-AC Inverter
• Regulation
  • Voltage regulator

Electromagnetism

• Linear
  • Electromagnet
  • Solenoid
• Rotational
  • DC motor
  • AC motor
  • Servo motor
  • Stepper motor

Discrete semiconductors

• Single junction
  • Diode
  • Unijunction transistor
• Multi-junction
  • Bipolar transistor
  • Field effect transistor *

Electronics production

PCB fabrication

• etching
  • lithography, transfer
  • ferric/cupric chloride, ammonium/sodium persulfate
  • MSDS
  • waste disposal
• machining
  • tools
    • 0.010
    • 1/64
    • 1/32
  • fixturing
  • underlay
  • orientation
  • zeroing
  • set-screws
  • lifetime
  • deburring
  • cleaning
• vinyl cutter
• laser cutter
• printing
• plating
• sewing

PCB materials

• rigid
  • FR4 (epoxy glass)
  • FR1 (phenolic paper)
• flex
  • Kapton
  • #1 epoxy film, #1126 copper tape
• high-frequency
  • teflon
  • glass
• copper
  • 0.5 oz: 17.5 um
  • 1.0 oz: 35 um
  • 2.0 oz: 70 um

board houses

• AP Circuits, Advanced, Sierra, Screaming Circuits, AQS, Gold Phoenix
  • PCB, kit, BOM
• design rules
  • width/spacing (15, 5 mils)
• layers
  • 1, 1.5, 2, 4, N
• solder mask, silk screen
• vias
  • blind, buried

components

• through-hole, breadboards
• surface-mount
• chip-scale

assembly

• solder
  • eutectic
  • wetting
  • flux
  • wire, paste, bar
  • manual, reflow, wave
  • ROHS
• stuffing
  • component orientation
  • tacking down parts
  • bottom to top, inside to outside
  • fumes
  • washing
• desoldering
  • braid
  • hot air
  • gravity
• cutting traces, adding jumpers
• pick-and-place
• encapsulation

CAM

• formats
  • Gerber/RS-274X
  • png
• fab modules
  • traces interior
• mods
  • resolution
• linewidth

assignment

• make an in-circuit programmer
  • David Andy Valentin Ali Zaerc Brian
  • hello.ISP.44.cad board components traces interior
    • hello.ISP.44.res.cad board traces interior
    • inventory microcontroller crystal USB connector * ribbon connector Zener diode jumper
    • firmware.zip
      • USB power
      • make clean
      • make hex
      • (sudo) make fuse (check programmer in Makefile, may need to repeat)
      • (sudo) make program
      • desolder SJ1 and SJ2
      • make IDC ISP cable, connecting header pin 1 to pin 1, check wires
    • programming