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Vackar's Oscillator Circuit
* Vackar is a derivation of Colpitt's oscillator (LC based).
* Oscillation is taken on node 4.
* Predicted frequency is 1.91803e+06Hz.
* Models:
.model qnl npn(level=1 bf=80 rb=100 ccs=2pf tf=0.3ns tr=6ns cje=3pf cjc=2pf va=50)
vcc 1 0 5 pwl 0 10 1e-9 5
lrfc 1 2 100u
cdec 2 0 7n
q1 3 2 0 qnl
rb 3 0 4700
c1 3 4 100p
c2 3 0 600p
c0 4 0 1n
l1 4 1 6.2u
*.tran 30n 12u
*.plot tran v(4)
.pss 1e6 10e-6 4 1024 10 50 5e-3 uic
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