Download attenuator calculator a handy application designed to compute the resistor values inside an attenuator in order to accomplish a userdefined attenuation. The only requirement is to enter the desired attenuation in decibels db and the characteristic impedance of the transmission lines to be matched. Active calculator for resistive impedance matching pi attenuator circuits with results for resistance, attenuation, minimum attenuation, return loss. Each compound resistor is accurately formed by a number of resistors in parallel. Design a lpad driver attenuation circuit to lower the response of one of your drivers. This calculator is designed to help calculate the value of the resistor to be used in a balanced rf attenuator. Attenuator schematic circuit diagram circuit and wiring diagram download for automotive, car, motorcycle, truck, audio, radio, electronic devices, home. But instead of calculating this k value every time we want to design a new attenuator circuit, we can produce a k factor table for calculating attenuator loss as. This project arose from the fact that i had too much gain in my audio system, and i needed a practical solution without modifying the pcb circuit. Constant impedance attenuator is matched to source impedance zi and load impedance zo. It is easier to etch out a pi network on a thin film circuit compared to etching a balanced or bridgedtee attenuator circuit. Its a simple effective way to get power output reduced down in.
A pipad attenuator circuit is required to reduce the level of an audio signal by 10db while matching the impedance of a 75. Yoni calculator online test system configurator ezsample free samples modelithics. This application can be used to easily calculate the resistor values needed to achieve a specified attenuation in a controlled impedance environment. The actual developer of the free program is madsen circuits. Attenuator schematic circuit diagram 62372 circuit and. Pa1b power attenuator calculator including download veron a29.
Attenuator calculator free download windows version. L pad calculator impedance attenuation damping db decibel loudspeaker speaker voltage divider eberhard sengpiel sengpielaudio. Yoni calculator online test system configurator ezsample free samples modelithics xmicrowave application notes block diagrams docsis 3. For radio frequency equipment z is 50 in the case of a stand alone. The advantage of this network over other topologies is its simple construction. Enter values for r1 and r2 to calculate attenuator loss and impedance. The use of this unique pa1b power attenuator calculator enables you. Pi attenuator calculator enter values for r1 and r2 to calculate attenuator loss and impedance.
Matching pi attenuator calculator chemandy electronics. The attenuator calculator installer is commonly called attenuator calculator. A homebrew construction of a 10db rf attenuator, assembled as a pi network. Qorvo makes no representations or warranties of any kind, express or implied, about the completeness, accuracy, or reliability of the tools on this web page. Alternatively, generate r1 and r2 for a wanted attenuation.
The pi attenuator is one of the more common passive attenuators used in rf applications. The most popular version of the attenuator calculator is 1. Lpad driver attenuation circuit designer calculator. This can be built into a flexibox and a transmission line 50 ohm track pcb is available which easily adapts for this circuit with one simple trimming.
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