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-rw-r--r--Windows/spice/examples/vbic/npn_ft.sp41
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diff --git a/Windows/spice/examples/vbic/npn_ft.sp b/Windows/spice/examples/vbic/npn_ft.sp
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--- a/Windows/spice/examples/vbic/npn_ft.sp
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-VBIC ft Test
-
-.include Infineon_VBIC.lib
-
-vce 1 0 dc 3.0
-vgain 1 c dc 0.0
-f 0 2 vgain -1000
-l 2 b 1g
-c 2 0 1g
-ib 0 b dc 0.0 ac 1.0
-ic 0 c 0.01
-xq1 c b 0 0 BFP780
-
-.control
-let ft_runs = 13
-let run = 0
-set curplot=new $ create a new plot
-set curplotname=ft_plot
-set curplottitle="Infineon BFP780 ft = f(Ic)"
-set scratch=$curplot $ store its name to 'scratch'
-setplot $scratch $ make 'scratch' the active plot
-let ft=unitvec(ft_runs) $ create a vector in plot 'scratch' to store ft data
-let ic=unitvec(ft_runs) $ create a vector in plot 'scratch' to store ic data
-foreach myic 1m 4m 7m 10m 20m 40m 60m 75m 90m 100m 110m 130m 180m
- alter ic = $myic
- ac dec 100 100k 50g
-*plot vdb(vgain#branch)
- meas ac freq_at when vdb(vgain#branch)=0
- set run ="$&run" $ create a variable from the vector
- set dt = $curplot $ store the current plot to dt
- setplot $scratch $ make 'scratch' the active plot
- let ic[run] = $myic $ store ic to vector ft in plot 'scratch'
- let ft[run] = {$dt}.freq_at $ store ft to vector ft in plot 'scratch'
- setplot $dt $ go back to the previous plot
- let run = run + 1
-end
-setplot unknown1
-plot ft vs ic xlog
-.endc
-
-.end