Rules of Thumb Published in EDN:
Rules of Thumb #0: Using Rules of Thumb Wisely
Rule of Thumb #1: Bandwidth of a signal from its rise time
Rule of Thumb #2: Signal bandwidth from clock frequency
Rule of Thumb #3 Signal speed on an interconnect
Rule of Thumb #4: Skin depth of copper
Rule of Thumb #5: Capacitance per length of 50 Ohm transmission lines in FR4
Total loop inductance/length in 50 Ohm transmission lines: Rule of Thumb #6
Total inductance in the return path: Rule of Thumb #7
How to estimate ground bounce in a connector: Rule of Thumb #8
Loss in a channel: Rule of Thumb #9
How much attenuation is too much?: Rule of Thumb #10
What is the bandwidth of a high speed serial-link signal?: Rule of Thumb #11
How much return loss is too much?: Rule of Thumb #12
Sheet resistance of copper foil: Rule of Thumb #13
Resistance of a copper trace: Rule of Thumb #14
Estimating wire & loop inductance: Rule of Thumb #15
Sheet inductance of a cavity: Rule of Thumb #16
The quarter-wave stub frequency: Rule of Thumb #17
How long a stub is too long?: Rule of Thumb #18
Crosstalk: How much is too much?: Rule of Thumb #19
How far is far enough? Signal line spacing for acceptable near end crosstalk: Rule of Thumb #20
How to engineer acceptable far-end crosstalk: Rule of Thumb #21
What is the frequency of the S21 dip in microstrip?: Rule of Thumb #22
When to worry about a capacitive discontinuity: Rule of Thumb #23
When to worry about trace corners: Rule of Thumb #24
How much is impedance affected by an adjacent trace?: Rule of Thumb #25
What is the ringing period on an unterminated line?: Rule of Thumb #26
What is the aspect ratio for 50Ω microstrip?: Rule of Thumb #27
What is the aspect ratio for 50Ω stripline?: Rule of Thumb #28
What is the spatial extent of an edge?: Rule of Thumb #29
What is the resonant frequency of a cavity?: Rule of Thumb #30
How much common current is too much?: Rule of Thumb #31
How much mode conversion is too much?: Rule of Thumb #32