* Sample pspice TRANSFORMER library
* BY Luis Cárdaba
* August 12, 2001
* ULTRALINEAR 3K 40% TAPS
* Raa = 3k; Ra = 0.75k
* RESISTANCES HAVE BEEN OMITTED FOR SIMPLICITY, BUT MAY BE ADDED.
* LP = 392.5H; LS = 1.0467; a=19.36; a^2 = 375
.SUBCKT UL_3k 1 2 3 4 5 6 7
LP1 1 2 35.325H
LP2 2 3 15.7H  ; 1/2 40% TAP ; es el 40% del voltaje de placa
LP3 3 4 15.7H  ; 1/2 40% TAP ; y de 1/4LP = 98H (39.2H=15.7+(15.7*35.325)^.5
LP4 4 5 35.325H
CP1 1 5 .342NF ;CAPS FROM SPECS
LS 7 6 1.0467H ; SPEAKER 8 ohm SECONDARY
KALL LP1 LP2 LP3 LP4 LS 0.9999975 ; = 1-1/403600
.ENDS
*$