ECE102_W04_Quiz2

ECE102_W04_Quiz2 - ECE102 Student ID Quiz 2 Name (Last,...

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ECE102 Quiz 2 Winter 2004 1 Student ID Name (Last, First) Score Question 1 (2 + 1 points): Drawing (a) shows the physical structure of a semiconductor device (where n and p denote n-type and p-type silicon respectively). A misalignment in manufacturing resulted in the structure shown as (b). For both (a) and (b), draw the circuit symbol or schematic representing the device and include the appropriate numbers for the terminals. E.g. you should give something like this: (a) (b) 25 n n p (1) (2) (3) nn p (1) (2) (3) (1) (2) For those questions that have a numerical or otherwise short answer, i.e. Q3, Q4, Q5, put a box around your result. You may loose credit if you don’t. We will not go hunting for your answers.
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ECE102 Quiz 2 Winter 2004 2 Question 2 (1 + 1 points): (a) What elements can be used to dope germanium (Ge) such as to make it p-type? Circle all that apply (no partial credit). Si P B As He (b) In my circuit there are two areas (A and B) of n-type silicon, where A is more heavily doped than B. Both areas are at the same temperature. The concentration of holes is:
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This note was uploaded on 05/30/2009 for the course ECE 641158 taught by Professor Curtshurgers during the Spring '09 term at UCSD.

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ECE102_W04_Quiz2 - ECE102 Student ID Quiz 2 Name (Last,...

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