TUT001
Tutorials
Understanding air-core inductors
How coil geometry, turns, and the absence of a magnetic core affect an inductor.
Original schematic↗
The reading room.
Make sense of the ideas behind the circuits. Guides, practical references, and a window into the original archive.
TUT002
Tutorials
NTSC, PAL, and SECAM explained
A clearer introduction to three families of analog color television systems.
From the archive↗
TUT003
Tutorials
Wire gauge without the guesswork
Read wire dimensions correctly before winding an RF coil.
From the archive↗
TUT004
Tutorials
Zigbee network fundamentals
Understand coordinators, routers, and sleeping end devices.
From the archive↗
TUT005
Tutorials
FlexRay communication fundamentals
A guide to scheduled and dynamic communication in automotive networks.
Original schematic↗
TUT006
Tutorials
Fail-safe and fail-secure behavior
Decide what a device should do when power or a component fails.
From the archive↗
TUT007
Tutorials
dBm to watts, explained
Move between logarithmic RF power levels and ordinary power units.
From the archive↗
AEL001
Tutorials
Analyzing a two-transistor feedback amplifier
Separate DC bias, small-signal gain, and the effects of feedback.
Original schematic↗
A WINDOW INTO THE PAST
Notes from the original era.
Historical reports, rewritten for context. Product details are not current recommendations.
NEW001
Archive notes
Surveyor stereo vision system
A historical look at a dual-camera embedded robotics platform.
From the archive↗
NEW002
Archive notes
Keithley MIMO RF test system
Why multiple radio channels require coordinated measurement.
From the archive↗
NEW003
Archive notes
FT2232H and FT4232H USB interfaces
A historical introduction to configurable USB serial bridge devices.
From the archive↗
NEW004
Archive notes
Flame and energy-efficient walking robots
A research note about studying more natural robotic locomotion.
From the archive↗
NEW005
Archive notes
AVR XMEGA architecture
A historical overview of peripherals beyond a basic 8-bit controller.
From the archive↗