zodiff |
Calculate the characteristic impedance of differential microstrip lines. |
zo_low_loss_calc |
Calculation of the characteristic impedance of low loss transmission lines |
zdiff |
Calculate the differential impedance of edge coupled parallel microstrip lines |
XL_calculate |
Calculate inductive reactance of a transmission line from electrical length given permittivity, frequency and characteristic impedance |
wdivider_1 |
Calculation of the frequency dependent effective permittivity efff |
wavelength_calc |
Calculation of the wavelength in media |
watts2dbm |
Watts to dbm calculator |
vswr2returnloss |
VSWR to return loss conversion. ( Return loss = -20log10(magnitude of reflection coefficient)) |
vrms2dbm |
Convert rms voltage to dBm |
voltage_ideal_line |
Voltage distribution on an ideal transmission line |
voltage_general_line |
Voltage distribution on a general transmission line |
ufactor |
ufactor is a measure of stability |
typet |
Calculations for a type-t attenuator |
typepi |
Calculations for a type-pi attenuator |
typeb |
Calculations for a type-b network |
typea |
Calculations for a type-a network |
tracecurrent_calc |
Calculate the current carrying capability of a pcb trace both external and internal |
TOUT |
Calculate the output reflection coefficient of a two port. |
TIN |
Calculate the input reflection coefficient of a two port. |
shorted_lowloss_line_z |
Calculate the impedance of a shorted low loss line |
shorted_ideal_line_zin |
Calculate the input impedance of a shorted ideal line |
shorted_general_line_zin |
Calculate the impedance of a shorted general line |
sfdr_calc |
Calculate the spurious free dynamic range. |
series_parallel_conversion |
Convert a series circuit to its equivalent parallel form. |
returnloss2vswr |
Calculate vswr from return loss |
retloss2refcoeff |
Calculate the reflection coefficient from return loss |
reflectioc2vswr |
Calculate the reflection coefficient from vswr |
reflectioc2imped |
Calculate the impedance from the reflection coefficient |
refcoeff2retloss |
Calculate the return loss from the reflection coefficient |
rect2pole_calc |
Convert a number in complex format to polar format |
reactance1_calc |
Calculate impedance from L and C and frequency |
qw |
Quarter wave transmisson line matching |
quarterwave_lowloss_line_z |
Quarter wave low loss line impedance |
quarterwave_ideal_line_z |
Quarter wave ideal line impedance |
quarterwave_general_line_z |
Quarter wave general line impedance |
propagation_constant_calc_new |
Calculation of the propagation constant of ideal lines with real part equal to 0.0 |
propagation_constant_calc |
Calculation of the propagation constant of lowloss lines |
polar2_rect_calc |
Convert a number from polar format to a complex number format. |
phase_velocity_calc |
Calculate the phase velocity of a signal on ideal transmission lines. |
pcbresistance |
Calculate the resistance of pcb traces assumng copper traces. |
pcbcapacitance |
Calculate the capacitance of a pcb trace. |
pcb_z0c0 |
Calculate the characteristic impedance, capacitance and propagation delay of a pcb trace. |
parallel_series_conversion |
Convert a parallel circuit to an equivalent series circuit. |
open_lowloss_line_z |
Calculate the impedance of an open lowloss transmission line. |
open_ideal_line_z |
Calculate the impedance of an open ideal transmission line |
open_general_line_z |
Calculate the impedance of an open general line. |
noisetemp_calc |
Calculate the noise temperature from the noise figure and the noise figure from the noise temperature |
mismatch_loss |
A mismatch loss calculator. |
microstripzo_pcb |
Micostrip characteristic impedance calculator for PCB traces |
microstripzo |
Microstrip characteristic impedance calculator |
microstripL |
Calculate the inductance of a microstrip trace for PCB traces |
microstrip_gap |
Calculate the capacitance of a microstrip gap. |
mic_amp |
Calculate single stage amplifier gains |
lowloss_line_zin |
Calculate the input impedance of a lowloss line |
lcbalun |
Calculate the parameters of an LC balun. For the circuit check blog post on the SPG blog |
lc_calc |
Calculate L and C from a given reactance value. |
l_calc |
Calculate the physical length from the electrical length of a line |
kfactor |
Calculate Rollet's K factor |
iotf |
Calculate modified TIN and TOUT |
inductancs_calc |
Calculate the inductance of a PCB trace |
impedance2refcoeff |
Calculate the reflection coefficient from the impedance level. |
imp2admit |
Convert impedance to admittance |
ideal_line_zin |
Calculate the input impedance of an ideal line. |
halfwave_lowloss_line_z |
Calculate the impedance of a half wave low loss line. |
halfwave_ideal_line_zi |
Calculate the impedance of a half wave ideal line |
halfwave_general_line_z |
Calculate the impedance of a half wave general line |
fract_wavelength_calc |
Calculate the fractional wavelegth. |
flicker_noise_calc |
Calculate flicker noise |
el_calc_new |
Calculate electrical length |
dbm2watts |
Convert a dBm value to watts. |
dbm2vrms |
Convert a dBm value to a rms voltage |
current_ideal_line |
Current in an ideal line at a distance x. |
current_general_line |
Current at a distance x in a general line |
crvolts |
Calculate the differential voltage across the base-emitter junctions of bipolars with various ratios of current flowing through them. |
complexz |
Complex impedance matching with a transmission line |
combine_parallel_Z |
Combine parallel reactances |
casline_new |
Cascade transmission line matching |
calculate_one_parallel_reactance |
Calculate the reactance value from the parallel combined reactance value and one other reactance ( impedance matching algorithm. See book on impedance matching) |
calc_shorted_stub_suscep |
Calculate the susceptance of a shorted stub |
calc_open stub_suscep |
Calculate the susceptance of an open stub |
addmit2imped |
Convert admittance to impedance. |
Calculate B1 for stability |
B1 >1 for stability, B1<1 indicates possible instability. |
Calculate gmax for a stability check |
Check gmax for stability |
Synthesis of a first order RC filter |
First order RC filter design |
Calculate the capacitance of an oxide capacitor |
Oxide capacitance calculation |
Calculate the KP factor of a MOSFET |
KP=uCox calculation |
Calculate the threshold voltage of a MOSFET |
VT0 calculation |
Calculate the effective gate voltage of a MOSFET |
ve=vgs-VT0 |
Calculate the effective gate voltage of a MOSFET |
ve=vgs-VT0 |
Calculate the transconductance of a MOSFET |
gm=sqrt(2KP*W/L*IDS) |
Calculate the band bending of a MOSFET in strong inversion |
Strong inversion band bending of a MOSFET |
Calculate the body effect parameter of a MOSFET |
MOSFET body effect parameter |
Calculate drain to source current of a MOSFET |
MOSFET IDS |
Calculate the gain of a MOSFET |
MOSFET gain for small signal operation |
Calculate the ft of a MOSFET |
MOSFET ft |
Calculate the resistance of a semiconductor resistor |
Calculate R |
Calculate the length of a semiconductor resistor given the width and the sheet resistance |
Calculate R |
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