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WD8DSB LW & MW band reject filter based on design in 2001 ARRL Handbook

(Original filter design by W3NQN was published in Feb 1978 QST)

Elliptic (Cauer) High Pass T configuration 7th Order Filter

Measured Frequency Response Using Siglent SSA3021X-TG

WD8DSB LTSpice model (Filter Insertion Loss)

SDR Screen Shot With Filter In Line

SDR Screen Shot Filter Not In Line

Website created and maintained by Don Kirk (wd8dsb) April 5, 2015