<h1>>Calculators from Signal Processing Group Inc.</h1

Calculators and software from Signal Processing Group Inc.

Continuously updated with new calculators
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 tranmission 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.
B1	Calculate B1 for a stability check.
GMAX	Calculate GMAX for a stability check.
First order RC Filter	Calculations for the first order RC filter.
MOSFET gate oxide capacitance	Calculate the gate oxide capacitance of a MOSFET.
MOSFET transconductance calculate	Calculate the transconductance of a MOSFET.
Calculate the threshold of a MOSFET with body effect	Calculate the threshold voltage of a MOSFET with body effect in strong inversion.
Calculate the effective gate voltage of a MOSFET	Calculate the effective gate voltage of a MOSFET.
Calculate the gm of a MOSFET in saturation	Calculate the gm of a MOSFET in saturation.
Calculate the surface potential of a MOSFET in strong inversion	Calculate the surface potential of a MOSFET in strong inversion.
Calculate the body effect parameter for a MOSFET	Calculate the body effect parameter for a MOSFET.
Calculate the saturation current for a MOSFET in strong inversion	Calculate current for a MOSFET in the saturation region in strong inversion.
Calculate u0.Cox.W/L for a MOSFET in strong inversion given the drain current and effective gate voltage	Calculate KP.W/L for a MOSFET in strong inversion given drain current and effective gate voltage.
Calculate the peak fT of a bipolar given the value of tf( forward transit time)	Calculate the fT of the bipolar from tf.
Calculate the resistance of a semiconductor layer given width, length and sheet resistance.	Calculate the resistance of a semiconductor layer
Calculate the length of a semiconductor resistor given width, and sheet resistance.	Calculate the length of a semiconductor resistor, given width and sheet resistance
Calculate the CMOS device dimesions of a low voltage cascode current source	Calculate the CMOS device dimensions of a low voltage cascode current source
Calculate reactance of a capacitor given the frequency and capacitor value	Calculate the reactance of a capacitor
Calculate reactance of an inductor given the frequency and inductor value	Calculate the reactance of an inductor
Calculate the resonant frequency of a LC circuit.	Calculate resonant frequuency of a LC circuit
Calculate the transmission line delay TD given trace length and effective permittivity of the media.	Calculate the delay TD of a transmission line given trace length and effective permittvty of the medium
Calculate the physical length of the microstrip given the electrical length, the frequency and the effective permittivity.	Calculate the physical length of a microstrip given electrical length, the frequency and effective permittvty of the medium
Calculate the inductance and capacitance given the inductive and capacitive reactance and the frequency.	Calculate the inductance and capacitance from the reactances and frequency

Calculators and software from Signal Processing Group Inc.

Calculate the characteristic impedance of differential microstrip lines.

Calculation of the characteristic impedance of low loss transmission lines

Calculate the differential impedance of edge coupled parallel microstrip lines

Calculate inductive reactance of a tranmission line from electrical length given permittivity, frequency and characteristic impedance

Calculation of the frequency dependent effective permittivity efff

Calculation of the wavelength in media

Watts to dbm calculator

VSWR to return loss conversion. ( Return loss = -20log10(magnitude of reflection coefficient))

Convert rms voltage to dBm

Voltage distribution on an ideal transmission line

Voltage distribution on a general transmission line

ufactor is a measure of stability

Calculations for a type-t attenuator

Calculations for a type-pi attenuator

Calculations for a type-b network

Calculations for a type-a network

Calculate the current carrying capability of a pcb trace both external and internal

Calculate the output reflection coefficient of a two port.

Calculate the input reflection coefficient of a two port.

Calculate the impedance of a shorted low loss line

Calculate the input impedance of a shorted ideal line

Calculate the impedance of a shorted general line

Calculate the spurious free dynamic range.

Convert a series circuit to its equivalent parallel form.

Calculate vswr from return loss

Calculate the reflection coefficient from return loss

Calculate the reflection coefficient from vswr

Calculate the impedance from the reflection coefficient

Calculate the return loss from the reflection coefficient

Convert a number in complex format to polar format

Calculate impedance from L and C and frequency

Quarter wave transmisson line matching

Quarter wave low loss line impedance

Quarter wave ideal line impedance

Quarter wave general line impedance

Calculation of the propagation constant of ideal lines with real part equal to 0.0

Calculation of the propagation constant of lowloss lines

Convert a number from polar format to a complex number format.

Calculate the phase velocity of a signal on ideal transmission lines.

Calculate the resistance of pcb traces assumng copper traces.

Calculate the capacitance of a pcb trace.

Calculate the characteristic impedance, capacitance and propagation delay of a pcb trace.

Convert a parallel circuit to an equivalent series circuit.

Calculate the impedance of an open lowloss transmission line.

Calculate the impedance of an open ideal transmission line

Calculate the impedance of an open general line.

Calculate the noise temperature from the noise figure and the noise figure from the noise temperature

A mismatch loss calculator.

Micostrip characteristic impedance calculator for PCB traces

Microstrip characteristic impedance calculator

Calculate the inductance of a microstrip trace for PCB traces

Calculate the capacitance of a microstrip gap.

Calculate single stage amplifier gains

Calculate the input impedance of a lowloss line

Calculate the parameters of an LC balun. For the circuit check blog post on the SPG blog

Calculate L and C from a given reactance value.

Calculate the physical length from the electrical length of a line

Calculate Rollet's K factor

Calculate modified TIN and TOUT

Calculate the inductance of a PCB trace

Calculate the reflection coefficient from the impedance level.

Convert impedance to admittance

Calculate the input impedance of an ideal line.

Calculate the impedance of a half wave low loss line.

Calculate the impedance of a half wave ideal line

Calculate the impedance of a half wave general line

Calculate the fractional wavelegth.

Calculate flicker noise

Calculate electrical length

Convert a dBm value to watts.

Convert a dBm value to a rms voltage

Current in an ideal line at a distance x.

Current at a distance x in a general line

Calculate the differential voltage across the base-emitter junctions of bipolars with various ratios of current flowing through them.

Complex impedance matching with a transmission line

Combine parallel reactances

Cascade transmission line matching

Calculate the reactance value from the parallel combined reactance value and one other reactance ( impedance matching algorithm. See book on impedance matching)

Calculate the susceptance of a shorted stub