[sdiy] Re: RTL

[James Patchell]

That is a very good book as well.  My Dad had a copy of that book when I 
was in High School....a very handy book as well....

At 09:00 PM 3/19/2004 -0800, Oren Leavitt wrote:
>Another book:
>
>Transistor Circuit Design
>By the Engineering Staff of Texas Instruments Incorporated
>1963
>McGraw-Hill
>
>I found this one on eBay a while back.
>It also has several examples transistor logic circuits - and lots of other 
>stuff.
>
>Oren
>
>James Patchell wrote:
>
>>Try and locate an old GE Transistor Manual from around 1964.  A very 
>>interesting book to have in any case, but it discusses the basic circuits 
>>for doing the various logic gates that existed at the time.
>>
>>At 12:41 PM 3/19/2004 -0500, Scott Stites wrote:
>>
>>>Can anyone point me to some good web resources on these techniques (RTL 
>>>logic gates rather than IC's)?
>>>
>>>Cheers,
>>>Scott
>>>
>>>
>>>-----Original Message-----
>>>From: TIm Daugard <daugard at sprintmail.com>
>>>Sent: Mar 19, 2004 11:01 AM
>>>To: synth-diy at dropmix.xs4all.nl
>>>Subject: [sdiy] Re: RTL
>>>
>>>
>>> > Ah yes...RTL.  When I was in high school (1969) I built a 4 bit binary
>>> > up/down counter using the Motorolla HEP RTL parts.  I think I still have
>>> > some of those dang things....somewhere.  RTL brings back only happy
>>> > memories for me...since I never had to design the stuff into a real
>>> > product...
>>>
>>>I still use RTL. A transistor and two or three resistors is cheaper than 
>>>using a
>>>logic chip if I only need one or two gates. Two resistors and a 7 cent
>>>transistor gives me an inverter. Three rsistors and the transistor for a 
>>>gate.
>>>Sometimes I cheat and throw in a diode or two.
>>>
>>>I need to try some of the single gate mini chips, but I've been avoiding 
>>>etched
>>>PC boards and SMD. I can build a module in the time it takes to lay out 
>>>an etch
>>>a board.
>>>
>>>Tim Daugard
>>>
>>>
>>>
>>>
>>>PeoplePC Online
>>>A better way to Internet
>>>http://www.peoplepc.com
>>
>>
>>         -Jim
>>***************************************************************
>>         Be sure to attend the PSW Synth DIY meet
>>Come for the fun....
>>Come to meet fellow DIYers
>>
>>Details at:
>>http://www.oldcrows.net/~patchell/SynthDIY2004.html
>>***************************************************************
>>http://www.oldcrows.net/~patchell
>>
>>***************************************************************
>>
>>
>
>--
>Oren Leavitt
>oleavitt at ix.netcom.com
>
>

         -Jim
***************************************************************
         Be sure to attend the PSW Synth DIY meet
Come for the fun....
Come to meet fellow DIYers

Details at:
http://www.oldcrows.net/~patchell/SynthDIY2004.html
***************************************************************
http://www.oldcrows.net/~patchell

***************************************************************