Hughes Circuits

Home Support Impedance Calculator
Microstrip

Select the dimension unit of the microstrip: mm mils
  
  (Dielectric thickness) : mm mils
  (Trace thickness) : mm mils
  (Trace width) : mm mils
er (Relative permittivity) :
(Characteristic impedance):

ohms

Co    (Capacitance):

pF/cm pF/inch

Tpd  (Propagation delay time):

 psec/cm psec/inch
Dual Stripline Impedance

Select the dimension unit of the dual stripline: mm mils

(Thickness) : mm mils
(Separation) : mm mils
(Trace thickness) : mm mils
(Trace width) : mm mils
er (Relative permittivity) :
(Characteristic impedance): ohms
Co (Capacitance): pF/cm pF/inch
Tpd (Propagation delay time): psec/cm psec/inch
Embedded Microstrip Impedance

Select the dimension unit of the embedded microstrip: mm mils

H1(Dielectric thickness) : mm mils
H (Height above reference plane): mm mils
T (Trace thickness): mm mils
W (Trace width): mm mils
er(Relative permittivity):
 (Characteristic impedance): ohms
Co(Capacitance): pF/cm pF/inch
Tpd(Propagation delay time): psec/cm psec/inch
Symmetric Stripline
symmetric stripline impedance diagram

Symmetric Stripline Impedance Calculator Inputs

Trace Thickness
T
Substrate Height
H
Trace Width
W
Substrate Dielectric
Er

Symmetric Stripline Impedance Calculator Outputs

Impedance (Z): 
98.3 Ohms
Asymmetric Stripline
asymmetric stripline impedance diagram

Asymmetric Stripline Impedance Calculator Inputs

Trace Thickness
T
Substrate Height
H1
Substrate Height
H2
Trace Width
W
Substrate Dielectric
Er

Asymmetric Stripline Impedance Calculator Outputs

Impedance (Z): 
98.3 Ohms
Edge Coupled Microstrip
differntial microstrip impedance diagram

Edge Coupled Microstrip Impedance Calculator Inputs

Trace Thickness
T
Substrate Height
H1
Trace Width
W
Trace Spacing
S
Substrate Dielectric
Er

Edge Coupled Microstrip Impedance Calculator Outputs

Odd (Z): 
133 ohms
Even (Z): 
152 ohms
Common (Z): 
76.2 ohms
Differential (Z): 
267 ohms
Edge Coupled Stripline
differntial edge coupled stripline impedance diagram

Edge Coupled Stripline Impedance Calculator Inputs

Trace Thickness
T
Substrate Height
H1
Trace Width
W
Trace Spacing
S
Substrate Dielectric
Er

Edge Coupled Stripline Impedance Calculator Outputs

Odd (Z): 
78.4 ohms
Even (Z): 
78.3 ohms
Common (Z): 
39.2 ohms
Differential (Z): 
157 ohms
Broadside Coupled Stripline
differntial broadside coupled stripline impedance diagram

Broadside Coupled Stripline Impedance Calculator Inputs

Trace Thickness
T
Substrate Height
H1
Trace Width
W
Trace Spacing
S
Substrate Dielectric
Er

Broadside Coupled Stripline Impedance Calculator Outputs

Odd (Z): 
14.4 ohms
Even (Z): 
300 ohms
Common (Z): 
150 ohms
Differential (Z): 
28.7 ohms
PCB Trace Width Calculator

PCB Trace Width Calculator Inputs:

Current Amps
Thickness

PCB Trace Width Calculator Optional Inputs:

Temperature Rise Deg
Ambient Temperature Deg
Trace Length

PCB Trace Width Calculator Results for Internal Layers:

Required Trace Width
Resistance Ohms
Voltage Drop Volts
Power Loss Watts

Results for External Layers in Air:

Required Trace Width
Resistance Ohms
Voltage Drop Volts
Power Loss Watts

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