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Attenuator Schematics

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Homebrew Attenuators

Homebrew Attenuators

Contained herein are attenuator values for both PI and TEE types. The need for standard values can be met by using one or the other

http://www.qsl.net/we6w/text/atten.html

Attenuator Pads

Attenuator Pads

homebrew attenuation pads, describes Pi style attenuator pads for 1 dB, 2 dB, 4 dB and 8 dB attenuation, also step attenuator circuit, also includes Pi and T Network Resistive Attenuation Calculator

http://www.qsl.net/n9zia/wireless/appendixF.html#4

Fixed Attenuators

Fixed Attenuators

Fixed attenuators can be designed to have either equal or unequal impedances and to provide any amount of attenuation (theoretically) equal to or greater than the configuration's minimum attenuation - depending on the ratio of Z1/Z2.

http://www.rfcafe.com/references/electrical/attenuators.htm

Step Attenuator

Step Attenuator

This attenuator is designed for 50 ohms impedance and provides switches for 20, 16, 8, 4, 2 and 1 dB attenuation.

http://www.qsl.net/n9zia/wireless/pics/step_att.png

All About Electronic Attenuators

All About Electronic Attenuators

http://www.minicircuits.com/appnote/eatt4-3.pdf