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- From: adams@chuck.dallas.sgi.com (Chuck Adams)
- Newsgroups: sci.electronics
- Subject: Chebyshev Low-Pass Filters
- Message-ID: <1992Jul28.210831.699@odin.corp.sgi.com>
- Date: 28 Jul 92 21:08:31 GMT
- Sender: news@odin.corp.sgi.com (Net News)
- Organization: Silicon Graphics, Inc.
- Lines: 53
- Nntp-Posting-Host: chuck.dallas.sgi.com
-
- All you PSPICE users out there. i want to know what you get for
- VDB(3) for the following Chebyshev 5-Element Low-Pass Filter at
- 7.0, 8.0, 10.0, 14.0, and 21.0 MHz. Any help greatly appreciated
- as i am checking Spice 2g.6 output. i don't need all the points
- unless you email me the output, which is too much trouble on your
- part.
-
-
- AC ANALYSIS OF CHEBYSHEV FILTER
- *
- VIN 1 0 AC 1
- C1 1 0 470PF
- R0 1 0 50
- L1 1 2 1.45UH
- C2 2 0 820PF
- L2 2 3 1.45UH
- C3 3 0 470PF
- R1 3 0 50
- .PRINT AC VDB(3)
- .AC LIN 71 7MEG 21MEG
- .END
-
- here are the values i get.
-
- 7.0 1.567e-01
- 8.0 -3.460e+00
- 10. -1.565e+01
- 14. -3.088e+01
- 21. -4.663e+01
-
- that is, if i can still type as good as i could when i won the UIL
- class b typing contest in 195x where x is for me to know. 88 wpm/5 min
- no erros on a manual typewriter. no big deal as IBM ruined my speed
- with an 029 keypunch. :-)
-
- many thanks to all in advance,
-
-
-
- --
-
- Chuck Adams, Southern Education Center
- Silicon Graphics, Inc.
- 15280 Addison Road, Suite 100
- Dallas, TX 75248
-
- (214) 788-0957 (fax)
- (214) 788-4122 (voice)
-
- K5FO @ 65wpm cw --- adams@sgi.com
-
- --------------------------------------------------
- Heisenberg may have been here. *
-