|
F
|
Fahrenheit or Farad
|
Temperature scale named
after a dead Deutshe guy (not a Dutch guy, thanks
Laurens!), or a unit of capacitance named after a dead Brit
who is a member of our
Microwave Hall of Fame!
|
| FB |
feedback |
|
| FCC |
Federal Communications Commission. |
A United States government agency. |
|
FDMA
|
frequency division multiple
access
|
|
| FDSOI |
fully
depleted silicon-on-insulator |
A
method of isolating silicon circuits from silicon body of an
integrated circuit. |
| FDTD |
finite
difference time domain |
A
computational electromagnetics approach for solving realistic
EM problems, popularized by Prof. Allen Taflove of Northwestern
University. |
|
FEA
|
finite element analysis
|
Used in simulating electromagnetic
fields.
|
|
FET
|
field-effect transistor
|
A semiconductor device.
|
|
fF
|
femto-farad
|
A unit of capacitance,
10E-15 farads.
|
| FFS |
final
frontside |
MMIC
wafers often have DC data measured prior to flipping the wafer
for backside processing. |
| FFT |
fast
Fourier transform |
The
Fourier transform is what allows you to go between frequency
and time domains. |
|
FGCPW
|
finite groundplane coplanar
waveguide
|
Coplanar waveguide, with
narrow ground strips. Not the same thing as CBCPW!
|
|
FM
|
frequency modulation
|
Transferring information
by varying the carrier frequency. The broadcast radio band
with "no static at all".
|
| Fmax |
|
|
| FMCW |
frequency
modulated continuos wave |
A type
of radar waveform. |
|
Fmin
|
minimum noise figure of
a device.
|
Used in low noise amplifier
design.
|
|
FR-4
|
fire-retardant 4
|
A glass-resin PWB material.
|
| FS |
field
strength |
Magnitude
of an electromagnetic field. |
| FSK |
frequency
shift keying |
|
| FSR |
full
sheet resonance |
A method
for measuring dielectric constant of a circuit board. |
| FSS |
frequency-selective
surface |
A substrate
with a metal pattern that passes energy at one frequency but
blocks it at another. |
|
ft
|
feet
|
Unit of length used by
Yankees.
|
| Ft |
transition
frequency |
|
|
fubar
|
f***ed up beyond all repair
|
One of the two excellent
acronyms that are the legacy of the greatest generation (see
snafu)
|
