Thanks to all, and thanks to jjreisert@alum.mit.edu for suggesting I share
all responses. Here they are, edited with the technical portions as provided
to me..
Hope it helps someone.
>From w1abr
Here is the pinout for the 4N33:
1- Anode
2- Cathode
3- No Connection
4- Emitter
5- Collector
6- Base
This pinout is typical of most optoisolators in
the 6- pin package...
also, check the Toshiba website
http://doc.semicon.toshiba.co.jp/seek/us/td/14hikari/140024.htm for full
data sheets.
Keith WB6BIG
via Ron K5dj
>From AK0A
try http://www.ping.be/on4aoi/keyer shtml or http://www.qsl.net/kobx
The ON4AOI site is highly recommended, a 7 page printable circuit diagram for
several configurations, plus a commercial interface option as well.
From: w0eb@kscable.com (Jim Sheldon)
Additional info on typical series resistors needed;
1 anode of photo diode (input +)(use 560 ohm resistor from DTR or RTS
depending)
2 cathode of photo diode (input -)(Computer side ground)
3 no connection
4 emitter of phototransistor (rig side ground)
5 collector of phototransistor (to PTT)
6 base of phototransistor - may be left floating for this application
From: k7wm@i10net.com (k7wm)
Howdy. This straight from RS...1-anode, 2-cathode, 3-nc, 4-emitter,
5-collector, 6-base. Check out Joe's, K0BX, web-site at
http://www.qsl.net/kobx/cwkeying.htm. he has a lot of good stuff on the
building of these little bothersome circuits.
Couldn't get to K0BX's website late at night, perhaps pilot error, give it a
try.
Again Many Thanks to all, Wayne and Ron, perhaps, a slight revision to the
manual would help future writelog users looking formore details.
Best 73's to all,
Phil
KF8JW
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