32 lines
634 B
Plaintext
32 lines
634 B
Plaintext
Hartley's Oscillator Circuit
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* Hartley is an harmonic oscillator (LC based) which use
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* an inductive partition of resonator to feed the single
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* active device. Output is taken on node 2.
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* Prediceted frequency is about 121.176 Hz.
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*
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* PLOT V(3)
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* Models:
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.model qnl npn(level=1 bf=80 rb=100 ccs=2pf tf=0.3ns tr=6ns cje=3pf cjc=2pf va=50)
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vcc 1 0 5 pwl 0 0 1e-5 5
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r1 1 2 0.2k
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q1 2 3 0 qnl
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c1 3 4 633n
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l1 3 0 1.5
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l2 0 4 500m
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r2 4 2 100
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.control
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set xbrushwidth=3
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tran 10u 1
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plot v(2)
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linearize v(2)
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fft v(2)
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plot mag(V(2)) xlimit 0 500 ylimit 0 1.5
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reset
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pss 50 200e-3 2 1024 11 10 5e-3
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plot v(2) xlimit 0 500 ylimit 0 1.5
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.endc
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