[sdiy] Re: RTL

[Oren Leavitt]

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