TWiki> VerilogAMS Web>AmsExamples>AmsExamplesBFEM (2012-09-14, DavidMiller)EditAttach

Basic Functional Electrical Models (BFEM)

Type Description Source
Absolute Voltage Output provides the absolute voltage of the input V_absolute.va
Voltage Adder Sum of voltages at all input terminals is applied at the output V_adder.va
Voltage Multiplier Product of voltages at all input terminals is applied at the output V_multiplier.va
Voltage Divider Ration of input voltages are supplied at output V_divider.va
Voltage Differentiator Differential of the input voltage is applied to output V_differentiator.va
Voltage Integrator Integral of the input voltage is applied to output V_integrator.va
Voltage Limited Integrator Limited integral of the input voltage is applied to output V_limited_integrator.va
Continuous Comparator Continuous comparator using tanh to compare voltage at terminal "in" versus voltage at terminal "ref" continous_comparator.va
PWL Comparator Piecewise linear comparator to compare voltage at terminal "in" versus voltage at terminal "ref" pwl_comparator.va
Single-Differential Line Converter Single to differential line converter V_single_differential_conv.va
Voltage Level Shifter Voltage Level Shifter V_level_shift.va
Voltage Peak Detector Voltage Peak Detector V_peak_detector.va
Current Level Shifter Current Level Shifter I_level_shift.va
Current Peak Detector Current Peak Detector I_peak_detector.va
Period Measurement Model Period Measurement Model period_measure.va

Absolute Voltage

Module Name V_absolute
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter none

Voltage Adder

Module Name V_adder
Terminals in: input terminal vector : input [1:adder_size] voltage
out: output terminal : output voltage
Parameter adder_size = 2 from [2:inf)

Voltage Multiplier

Module Name V_multiplier
Terminals in: input terminal vector : input [1:multiplier_size] voltage
out: output terminal : output voltage
Parameter multiplier_size = 2 from [2:inf)

Voltage Divider

Module Name V_divider
Terminals numer: numerator input terminal : input voltage
denom: denominator input terminal : input voltage
out: output terminal : output voltage
Parameter min_denom: minimum value for denominator = 1n from (0:inf)

Voltage Differentiator

Module Name V_differentiator
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter kd: differentiation coefficient (kd*ddt(..)) = 1

Voltage Integrator

Module Name V_integrator
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter ki: integration coefficient (1/ki*idt(..)) = 1
dcval: inital condition for integral

Voltage Limited Integrator

Module Name V_limited_integrator
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter ki: integration coefficient = 1
dcval: inital condition for integral = 0
lower_limit: lower limit for output voltage = -1
upper_limit: upper limit for output voltage = 1

Continuous Comparator

Module Name continuous_comparator
Terminals in: input terminal : input voltage
ref: reference terminal : input voltage
out: output terminal : output voltage
Parameter output_high: maximum output voltage = 5
output_low: minimum output voltage = 0
slope: coefficient used for tanh

PWL Comparator

Module Name pwl_comparator
Terminals in: input terminal : input voltage
ref: reference terminal : input voltage
out: output terminal : output voltage
Parameter output_high: maximum output voltage = 5
output_low: minimum output voltage = 0
vhysteresis: hysteresis voltage
tdelay: delay time between crossing of V(in) and V(ref)
ttransit: transistion time to change output voltage from one state to the other

Single to Differential Line Converter

Module Name V_single_differential_conv
Terminals inp: positive input terminal : input voltage
inm: negative input terminal : input voltage
outp: positive output terminal : output voltage
outm: negative output terminal : output voltage
ref: reference terminal : input voltage
Parameter gain: gain (integer) = 1

Voltage Level Shift

Module Name V_level_shift
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter vout_offset: dc output offset voltage = 0

Current Level Shift

Module Name I_level_shift
Terminals in: input terminal : input current
out: output terminal : output current
Parameter iout_offset: dc output offset current = 0

Voltage Peak Detector

Module Name V_peak_detector
Terminals in: input terminal : input voltage
out: output terminal : output voltage
Parameter none

Current Peak Detector

Module Name I_peak_detector
Terminals in: input terminal : input current
out: output terminal : output current
Parameter none

Period Measurement Model

Module Name period_measure
Terminals in: input terminal : input voltage
Parameter vth: threshold voltage where period is measured = 0.0

-- DavidMiller - 2011-03-01

Attachments Attachments
I Attachment Action Size Date Who Comment
Unknown file formatva I_level_shift.va manage 0.5 K 2012-09-14 - 15:40 DavidMiller Current Level Shifter
Unknown file formatva I_peak_detector.va manage 0.8 K 2012-09-14 - 15:40 DavidMiller Current Peak Detector
Unknown file formatva V_absolute.va manage 0.5 K 2012-09-14 - 15:41 DavidMiller Output provides the absolute voltage of the input
Unknown file formatva V_adder.va manage 0.7 K 2012-09-14 - 15:41 DavidMiller Sum of voltages at all input terminals is applied at the output
Unknown file formatva V_differentiator.va manage 0.5 K 2012-09-14 - 15:41 DavidMiller Differential of the input voltage is applied to output
Unknown file formatva V_divider.va manage 0.7 K 2012-09-14 - 15:41 DavidMiller Ration of input voltages are supplied at output
Unknown file formatva V_integrator.va manage 0.7 K 2012-09-14 - 15:42 DavidMiller Integral of the input voltage is applied to output
Unknown file formatva V_level_shift.va manage 0.5 K 2012-09-14 - 15:42 DavidMiller Voltage Level Shifter
Unknown file formatva V_limited_integrator.va manage 1.5 K 2012-09-14 - 15:42 DavidMiller Limited integral of the input voltage is applied to output
Unknown file formatva V_multiplier.va manage 0.8 K 2012-09-14 - 15:42 DavidMiller Product of voltages at all input terminals is applied at the output
Unknown file formatva V_peak_detector.va manage 0.8 K 2012-09-14 - 15:43 DavidMiller Voltage Peak Detector
Unknown file formatva V_single_differential_conv.va manage 0.7 K 2012-09-14 - 15:43 DavidMiller Single to differential line converter
Unknown file formatva continous_comparator.va manage 1.0 K 2012-09-14 - 15:43 DavidMiller Continuous comparator using tanh to compare voltage at terminal "in" versus voltage at terminal "ref"
Unknown file formatva period_measure.va manage 1.0 K 2012-09-14 - 15:43 DavidMiller Period Measurement Model
Unknown file formatva pwl_comparator.va manage 1.4 K 2012-09-14 - 15:44 DavidMiller Piecewise linear comparator to compare voltage at terminal "in" versus voltage at terminal "ref"
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Topic revision: r3 - 2012-09-14 - 15:44:02 - DavidMiller
 
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