A _v

opamp gain

B

3-dB bandwidth

B _FFT

equivalent FFT bandwidth

B _pll

3-dB bandwidth of the closed-loop PLL

B _rcv

receiver bandwidth

B _sa

spectrum analyzer bandwidth

c

speed of light

C _o

controlled output in control-systems theory

C _o/R _i

closed-loop transfer function used in feedback and control systems

f

frequency

F

noise figure

F _rcv

receiver noise figure

f _c

frequency of the carrier

f _d

maximum frequency deviation in frequency-modulation theory

f _di

deviation of the instantaneous frequency

f _IF

intermediate frequency

f _in

input frequency

f _int

frequency of intercept with white phase noise.

f _l

corner frequency of flicker noise

f _m

frequency of modulation (sideband, offset, Fourier, baseband)

f _n

natural frequency

f _op

operating frequency of a radar system

f _out

output frequency of the PLL

f _3p

frequency of 3-dB point

f _ref

reference frequency in a PLL

f _syn

output frequency of the synthesizer

f _v

frequency value at the relative power level L( f _i) used in Bode plot models of phase noise

f _x

0-dB magnitude crossover frequency

f _z

frequency location of the zero in a PLL

G

gain

G(s)H(s)

open-loop transfer function used in feedback and control systems

G(f)

forward transfer function used in feedback and control systems

G _n

amplifier gain

G _pll

gain constant of a PLL

H(f)

feedback transfer function used in feedback and control systems

I _P

charge pump current

k

Boltzmann's constant

K _cco

transfer function of a...