[BBC-Micro] Econet Terminator (circuit / wiring diagram)

Andy Ford acorn at acford.co.uk
Wed Mar 26 10:31:40 GMT 2008


Looks good :)

I'l get some pics when I can of my "home made" bits :D

I am hoping to cheat with the clock at the moment (just till funds allow) , 
I have a half dead Issue3 here with Econet already fitted, I am hoping I can 
(temporarily) use this to provide the clock signal (if memory serves, I 
think I just need to join two links and hopefully not add anymore 
components)


Andy.


----- Original Message ----- 
From: "Rob" <robert at irrelevant.com>
To: "Beeb Mailing List" <bbc-micro at lists.cloud9.co.uk>
Sent: Sunday, March 23, 2008 5:31 PM
Subject: Re: [BBC-Micro] Econet Terminator (circuit / wiring diagram)


> On 23/03/2008, Andy Ford <acorn at acford.co.uk> wrote:
>>
>>  "A three-resistor divider chain, 1K0 at the top, 220R in the middle, 1K0
>>  at the bottom, connected to ground (pin 2).  Data+ (pin 1) goes to the
>>  to of the 220R, Data- (pin 4) goes to the lower end.  A pair of 56R
>>  resistors goes from each of Clock+ (pin 3) and Clock- (pin 5) to the
>>  top of the upper 1K0.  A 10 uF electrolytic goes from the junction of
>>  the 2 x 56R and upper 1K0, to ground."
>>
>>  I just need to grab some veroboard (or something similar) at some point. 
>> I
>>  have already made a couple of socket boxes and two terminator boxes 
>> (minus
>>  the internals)
>
>
> ..that sounds like how mine are made - mounted inside a  DIN plug!
> Well, it was once ... there's a picture of it with my DIY socket boxes
> here:
> http://www.irrelevant.com/bbc/socketbox.jpg
>
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