home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
PC Electronic Plus
/
PC Electronics Plus (Most Significant Bits)(1995).ISO
/
ccicap
/
mp318-8.mdl
< prev
next >
Wrap
Text File
|
1987-09-18
|
412b
|
15 lines
*
* MP318 model, operating point = 10 nA
* B = 400, Ft = 100 MHz.
* Gm = Ic/Vt = 3.8e-7 mhos
* Ccb' = 2 pfd (est)
* Cb'e = tf*Gm+cje/(1-vbe/Qe)^me = 1.923 pfd.
* Cce = 2 pfd (est)
* Rb'e = B / Gm = 1.05e9
* Rce = Va/Ic = 150/10nA = 15.e9 (est)
* Rcb' = 10 * B * Rce = 6.e13.
* Rbb' = 50 (est)
.MODEL 318 50. 10.5e8, 6.e13 150.e8 3.8e-7
+ 1.923e-12, 2.e-12, 2.e-12
+ 0.0, 0.0, 100., 100.