< HOME - Previous - Table of Contents - Next > General Symbols
Ck cathode bypass capacitance for stabilizing bias voltage
Cs shunt capacitance for stabilizing screen voltage
D second-harmonic distortion (percent)
Eb static plate voltage, no signal
Ebb d-c plate supply voltage
Ebn plate voltage at negative limit of bias
Ebp plate voltage at positive limit of bias
Ebz intersection of dynamic load line with ib = 0 axis
Ec or Ec1 grid bias voltage with no applied signal
Ec2 static screen grid voltage
Ecc grid bias supply voltage
Ek static voltage between cathode and cathode return (usually ground)
eb total instantaneous plate-to-cathode voltage
ec total instantaneous grid-to-cathode voltage for triodes
ec1 total instantaneous grid-to-cathode voltage for pentodes
ec2 total instantaneous screen-grid-to-cathode voltage
ec3 bias on grid three (used with mixer tubes)
eg a-c component of ec
eg1 a-c component of ec1
eg2 a-c component of ec2
ek a-c component of cathode voltage
eL instantaneous voltage across load resistance RL
ep a-c component of eb
es input signal voltage, instantaneous value
Gm1 nominal transconductance of pentode for eb/ec2 = 2 (first grid)
Gm2 nominal screen-to-plate transconductance for eb/ec2 = 2
Gm3 nominal transconductance from grid three to plate (used with mixer
tubes)
gm triode transconductance
gm1 transconductance, for pentode first grid (corrected)
gm2 screen-to-plate transconductance for pentode (corrected)
gm12 control-to-screen transconductance
gm22 screen self-conductance
xi
< HOME - Previous - Table of Contents - Next >
Copyright 2008 for Phyllis K. Pullen, M.D.,
by Robert J. Legg