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E6E02

CIRCUIT COMPONENTS · Semiconductor materials and packages for RF use

E6E02E6E →

Which of the following device packages is a through-hole type?

  1. ADIP
  2. BPLCC
  3. CBGA
  4. DSOT
Why DIP stands for Dual In-line Package: two rows of stiff pins that are pushed through holes drilled in the board and soldered on the opposite side. Through-hole parts like this are the classic mounting style, easy to socket and hand-solder. Every other package listed in this question is a surface-mount type whose leads or balls solder to pads on the same side of the board.
Watch out PLCC (plastic leaded chip carrier) is tempting because it has visible leads, but they are J-formed and reflow onto surface pads, not pushed through holes; BGA uses solder balls underneath and SOT is a tiny surface-mount transistor package.
DIP = pins 'dipped' through the board. If the name has 'chip carrier', 'grid array' or 'small outline', it is surface mount.
HamSandwich explanation, first draft. The question and answers are the NCVEC text.
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The rest of E6E

  1. E6E01 Why is gallium arsenide (GaAs) useful for semiconductor devices operating at UHF and higher frequencies?
  2. E6E02 Which of the following device packages is a through-hole type?
  3. E6E03 Which of the following materials supports the highest frequency of operation when used in MMICs?
  4. E6E04 Which is the most common input and output impedance of MMICs?
  5. E6E05 Which of the following noise figure values is typical of a low-noise UHF preamplifier?
  6. E6E06 What characteristics of MMICs make them a popular choice for VHF through microwave circuits?
  7. E6E07 What type of transmission line is often used for connections to MMICs?
  8. E6E08 How is power supplied to the most common type of MMIC?
  9. E6E09 Which of the following component package types have the least parasitic effects at frequencies above the HF r…
  10. E6E10 What advantage does surface-mount technology offer at RF compared to using through-hole components?
  11. E6E11 What is a characteristic of DIP packaging used for integrated circuits?
  12. E6E12 Why are DIP through-hole package ICs not typically used at UHF and higher frequencies?
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