Electronics, PCB Design and PCB Layout Daycounter, Inc.
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Electronics Design
Firmware Development
Software Development
Embedded Design
PCB Layout
Digital Signal Processing (DSP)
Reverse Engineering
Prototyping
Device Driver Development
VHDL
Motor Controllers
Microcontrollers
Data Acquisition Systems
Palm OS Software
Windows CE Software
Pocket PC Software
Design for Manufacturing
Through Hole to Surface Mount (SMT) Conversion 
Microchip PIC Consultant
MSP430 Development
DSP56 Development
RoHs Redesign
Design for USB

L Matching Network Calculator 

See our other Electronics Calculators.

The following is a design tool which calculates the values for an L matching network.  

The Q (bandwidth) of a filter is fixed for an L matching network, because it is set by the ratio of the source and load resistance which are typically fixed values.  For a variable Q use a Pi or T matching network.

This calculator allows for complex source and load impedances, or purely resistive impedances.  You can enter in capacitive or inductive components to the load and source reactance, but not both.  For example, if the load is capacitive, then enter in a value for the load capacitor, but not the inductor value.

 

RS (Source Resistance) (Ohms) 
CS (Source Capacitance) (pF) (Leave Blank if unused.)
LS (Source Inductance) (uH) (Leave Blank if unused.)
RL  (Load Resistance) (Ohms)
CL (Load Capacitance) (pF) (Leave Blank if unused.)
LL (Load Inductance) (uH) (Leave Blank if unused.)
Frequency (MHz)
Block DC Yes, No

Figure 1. L Matching circuit that blocks DC.

 Figure 2. L Matching circuit that passes DC.


Manufacturer Links

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Other Electronics Links

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Daycounter specializes in contract electronics design.  Do you need some help on your project?  Contact us to get a quote.

  

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