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Hello--
As one of the first programs of its kind, IBM's ECAP (Electronic-Circuit Analysis Program) included many of the features found in modern analysis programs (e.g., TINA) and a user-interface that's painful by today's standards (punched cards, anyone?). If you're curious about ECAPs innards and applications, I have a book for you. I have one copy of "IBM Electronic Circuit Analysis Program: Techniques and Applications" by Randall Jensen and Mark Lieberman; published by Prentice-Hall, Englewood Cliffs, NJ, 1968 first edition hardcover, 402 pp.. EX-LIBRARY copy in good condition (card pocket, spine label, library markings). Library of Congress catalog 68-18515. I'm asking $5.00 which includes USPS media-mail postage and a cuppa coffee for yours truly. Questions welcomed, PayPal honored. 73-- Brad AA1IP |
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tmillermdems
Hi Brad,
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I don't have any need for the book but did use the ECAP program on an IBM 1127 system back in the late 60's. The element nodes were entered on punch cards and a printout of results came pretty quickly. It was very good for filter design. The original program ran from a removable disk pack. Regards, Tom ----- Original Message -----
From: "Brad Thompson" <brad.thompson@...> To: <[email protected]>; "Glowbugs" <tetrode@...> Sent: Thursday, November 15, 2018 5:44 PM Subject: [HP-Agilent-Keysight-equipment] Any ECAP historians out there? Hello-- |
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On 11/15/2018 6:14 PM, tmillermdems wrote:
Hi Brad,Hello, Tom-- I encountered ECAP via an university's IBM 1620, which offered 24- to 36-hour turnaround. That made for slow debugging. Maybe someone with time on their hands could recode ECAP for a Raspberry Pi<g>. 73-- Brad AA1IP |
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On 11/15/18 5:44 PM, Brad Thompson wrote:
As one of the first programs of its kind, IBM's ECAP (Electronic-CircuitGreat stuff. I have a copy of that book, and am looking for the actual software. -Dave -- Dave McGuire, AK4HZ New Kensington, PA |
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I think it would work more than fine as a little bit of JavaScript running in the browser on mostly anything. After all, the era of intelligent terminals is back with vengeance. You can program them even in assembly (asm.js). And asm.js is exactly like IBM’s mainframe hardware abstraction – I’m almost identical fashion, it is translated to the platform’s machine code. And you get it for free with a cellphone :)
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Cheers, Kuba 15 nov. 2018 kl. 20:14 skrev Brad Thompson <brad.thompson@...>:On 11/15/2018 6:14 PM, tmillermdems wrote:Hello, Tom-- |
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PM sent. Haven't figured out any way to confirm that in the groups.io interface; PEBKAC perhaps :-<.
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-----Original Message-----
From: [email protected] [mailto:[email protected]] On Behalf Of Brad Thompson Sent: Thursday, November 15, 2018 5:45 PM To: [email protected]; Glowbugs Subject: [HP-Agilent-Keysight-equipment] Any ECAP historians out there? Hello-- As one of the first programs of its kind, IBM's ECAP (Electronic-Circuit Analysis Program) included many of the features found in modern analysis programs (e.g., TINA) and a user-interface that's painful by today's standards (punched cards, anyone?). If you're curious about ECAPs innards and applications, I have a book for you. I have one copy of "IBM Electronic Circuit Analysis Program: Techniques and Applications" by Randall Jensen and Mark Lieberman; published by Prentice-Hall, Englewood Cliffs, NJ, 1968 first edition hardcover, 402 pp.. EX-LIBRARY copy in good condition (card pocket, spine label, library markings). Library of Congress catalog 68-18515. I'm asking $5.00 which includes USPS media-mail postage and a cuppa coffee for yours truly. Questions welcomed, PayPal honored. 73-- Brad AA1IP |
Dave McGuire