Skip to main content\(\newcommand{\vect}[1]{\mathbf{#1}}
\newcommand{\lt}{<}
\newcommand{\gt}{>}
\newcommand{\amp}{&}
\definecolor{fillinmathshade}{gray}{0.9}
\newcommand{\fillinmath}[1]{\mathchoice{\colorbox{fillinmathshade}{$\displaystyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\textstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptstyle \phantom{\,#1\,}$}}{\colorbox{fillinmathshade}{$\scriptscriptstyle\phantom{\,#1\,}$}}}
\)
Section 5.1 Introduction to transistors
There are two types of BJTs, the npn transistor and the pnp transistor, pictured in
Figure 5.1.1.
Diagram Exploration Keyboard Controls
| Key |
Action |
| Enter, A |
Activate keyboard driven exploration |
| B |
Activate menu driven exploration |
| Escape |
Leave exploration mode |
| Cursor down |
Explore next lower level |
| Cursor up |
Explore next upper level |
| Cursor right |
Explore next element on level |
| Cursor left |
Explore previous element on level |
| X |
Toggle expert mode |
| W |
Extra details if available |
| Space |
Repeat speech |
| M |
Activate step magnification |
| Comma |
Activate direct magnification |
| N |
Deactivate magnification |
| Z |
Toggle subtitles |
| C |
Cycle contrast settings |
| T |
Monochrome colours |
| L |
Toggle language (if available) |
| K |
Kill current sound |
| Y |
Stop sound output |
| O |
Start and stop sonification |
| P |
Repeat sonification output |
Figure 5.1.1.