Version 4
SHEET 1 1184 680
WIRE 848 32 752 32
WIRE 1008 32 848 32
WIRE 1120 32 1008 32
WIRE 752 64 752 32
WIRE 848 80 848 32
WIRE 752 176 752 144
WIRE 848 176 848 144
WIRE 848 176 752 176
WIRE 752 224 752 176
WIRE 848 224 848 176
WIRE 1008 224 1008 32
WIRE 1120 224 1120 32
WIRE 688 272 624 272
WIRE 624 320 624 272
WIRE 752 336 752 320
WIRE 848 336 848 288
WIRE 848 336 752 336
WIRE 752 352 752 336
WIRE 624 448 624 400
WIRE 752 448 752 432
WIRE 752 448 624 448
WIRE 1008 448 1008 288
WIRE 1008 448 752 448
WIRE 1120 448 1120 304
WIRE 1120 448 1008 448
WIRE 1120 464 1120 448
FLAG 1120 464 0
SYMBOL npn 688 224 R0
WINDOW 0 70 79 Left 2
WINDOW 3 30 46 Left 2
SYMATTR InstName T2
SYMATTR Value BF199
SYMBOL ind 768 48 M0
SYMATTR InstName L1
SYMATTR Value 100n
SYMATTR SpiceLine Rser=0.1 Rpar=20k
SYMBOL cap 832 80 R0
SYMATTR InstName Tr
SYMATTR Value 23.35p
SYMBOL res 736 336 R0
SYMATTR InstName R5
SYMATTR Value 1k
SYMBOL cap 992 224 R0
SYMATTR InstName C4
SYMATTR Value 1n
SYMBOL Misc\\battery 1120 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 9V
SYMBOL voltage 624 304 M0
WINDOW 0 41 51 Left 2
WINDOW 3 39 84 Left 2
WINDOW 123 39 112 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value {u_basis}
SYMATTR Value2 AC 1
SYMBOL cap 832 224 R0
SYMATTR InstName C1
SYMATTR Value 3.3p
TEXT 280 64 Left 2 !.tran 0 55u 5u 200p
TEXT 280 96 Left 2 !;ac dec 100k 95Meg 105Meg
TEXT 280 224 Left 2 !.step param u_basis list 2.9 3.0 3.1