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- REV:9/25/87 SUMMARY OF DISK CONTENTS
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-
- Our first disk contains "ALMOND" by Chris Trask, an
- optimization and design program for high-frequency networks using
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- "s" parameters. It features Response analysis, Stability
- analysis, Sensitivity analysis and Optimization. A manual is
- available. A superb work.
-
- Our second disk contains eight programs that have appeared
-
- in various publications. I have tried all of these and haven't
- found any bugs. Vince Hessen found a bug in "UMATCH",(disk 2).
- Line 70 in this program should be w=c*d-b*e. This change, from a
-
-
- plus sign, keeps the definition of the source and load Z
- consistent with the definitions in the original article. A
- collection of useful programs.
-
- Our third disk is a collection of programs from Dr. Allen
- Katz. These disk contains a variety of valuable programs. Many of
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- these programs were converted from cp/m, a few still have minor
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- bugs. Some are superbly documented (these have a logo) and others
-
-
- are still being worked on by Dr. Katz. I have made some fixes and
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- have noted them in the listings.
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- Our fourth disk contains seven programs that have appeared
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- in various publications and one unpublished work. I have run most
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- of them and have found no bugs.
-
- Our fifth disk contains a mixture of programs, some based
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- on published articles and some are new. Jeff Crawford, see disk
-
- #4, has contributed seven more programs, all in Turbo Pascal.
- Richard Kolbly has sent us a number of programs that are based on
-
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- published articles, plus some of his own work.
-
- Disk six contains a number of programs from National
- Semiconductor on filter design, digital filter design and
- switching regulator design.
-
- Our seventh disk, contains three programs by Jorgan
- Anderson. These are general purpose feedback control programs.
- They are great for analyzing phase locked loops. They output the
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- open loop, closed loop response as well as the transient response
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- to an impulse or step. Inputs are the poles and zeroes of the
- transfer function and the loop gain. The compiled version of the
-
-
- third program would not fit on this disk and is on disk #8.
-
- Disk 8 contains:
- 1) Smith Chart Calculations & a Propagation program,
- both by Lynn Gerig, both published in rf design(6/85 & 8/86).
- 2) Two programs by Bert K. Erickson , Impedance Matching
- Using Stern's Stability Factor, and a Network Analysis program,
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- both published in recent issues of rf design.
- 3) Zcalc by Tom Story, unpublished.
-
- Our ninth disk contains two compiled version of Almond. One
- requires a math co-processor. The basic version and the sample
- files from disk 1 are also on this disk. the manual is only on
- disk 1. Two people have yelled for help. The problem was
- that the files must be entered in reverse order and the end
- statement must have the same "num" as the last element. See file
-
- "ALMOND.DOC".
-
- The tenth disk contains:
- 1) D_stub, based on Robert Middelveen's article in July 86,
-
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- Microwaves & RF.
- 2) Multiple-Tuned Amplifiers, Jan/Feb 83, rf design, Jack
- Porter.
- 3) Active Filter program by M. Chomet, unpublished.
- 4) I have been trying to get programs based on the many
- articles by Andrzaj B. Przedpelski into pc format. He has
- supplied these programs to the library in H.P. Basic format. I
- have converted one of the programs he supplied me in H.P. Basic
-
- to run on my pc (Noise Figure of Cascaded Stages). The utility of
-
-
- this program is that it calculates the noise contribution of
- every stage, making it easy to spot where more gain, or a quieter
-
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- stage, is needed to reduce the system noise figure.
- Hopefully we will get the rest of Mr. Przedpelski's fine
- work into pcdos/msdos format.
- 5) Mr. Vincent Hessen (see disk #4) has sent in a disk
- containing enhanced versions of six programs and claims more are
-
-
- coming.
-
- We are in the process of collecting and evaluating software.
-
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- We now have enough material for about 3 more disk.
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- Please contribute !!!!!!. We still have no programs in such
- catagories as oscillator design, directional coupler design, low
-
-
- noise amplifier design etc... in the library.
-
-
- To induce engineers to contribute, a complementary order
- form will be sent to all who contribute a program that is
- published by the library.
-
-
-
- Gerald S. Harrison
-
- Sept 25, 1987
-
- file:ABSTRACT.987
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-