![]()
From mdwatt@usit.net Thu Mar 6 15:10:57 1997
Received: from nss2.CC.Lehigh.EDU ([128.180.1.26]) by
fidoii.cc.lehigh.edu with ESMTP id <34836-32760>; Thu, 6 Mar 1997
10:10:55 -0500
>I have *almost* finished my 38S, and am wondering if one can
>add *both* the straight key connection and the keyer connection.
>I'm assuming I'll lose the sidetone with the sk connection.
>Occasionally I'd like to use my CMOS II with the radio (relay
>keyed). Plus, I don't have the TiCK chip yet, but I'm almost ready
>to smoke test ...
>Marty, KM7W
Marty:
You can still use the 38 special key input even after installing the
Tick chip. The keyer circuit uses an open collector transistor to
pull the key line low. The straight key input will be in parallel
with the open collector transistor output and will cause no problems
at all.
- Dan Tayloe, N7VE, Phoenix, Az, QRPL # 696, Az ScQRPions
[
QRP-L Archive |
]
[
1993 |
1994 |
1995 |
1996 |
1997 |
1998 |
1999 |
2000
]
![]()