[ForSale-Swap] Incoder/Decoder boards

[W5KDJ]

Burst Tone DECODER ST-120 - Selectone built, 2"x1.25"x.38"H 
w/flying leads.  Sub-miniature ckt Bd which decodes audible 
"burst tone" or "single tone" formats used in tone controlled 
repeater systems and other selective calling applications.  When 
activated provides a latched, a momentary, & a call lamp output 
to unmute a receiver, key a repeater transmitter, momentarily 
sound a horn or alarm, or perform other remote control 
functions.  New in package w/full docs/schematic, $20.00 each 
shipping included.  10 pkgs avail.

Burst Tone ENCODER ST-115 - Selectone built, 2"x1"x.38"H 
w/flying leads.  Provides a continuous or selectable duration 
burst output. 1 pkg 4 frequency, 1 pkg 8 freq.  Frequencies are 
independently tunable from 800 to 3000HZ. New in package w/full 
docs, $20.00 each shipping included.


Two-Tone Sequential ENCODER ST-202 - Selectone built, 
2"x1"x.38"h w/flying leads. When the "A" or "B" paging input is 
momentarily grounded, the ST-202 generates a pre-set paging code 
(F1 & F2) or (F2 & F1) & provides an open collector Darlington 
output for xmtr PTT keying. New in package w/full docs, $18.00 
each  shipping included. 2 pkgs avail, 1 NEW, 1 USED.


Burst (1)Tone ENCODER ST-110 - Selectone built, 1"x1.25X.38"H 
w/flying leads. A highly stable, tunable oscillator providing a 
sine wave output 800 to 3000HZ.  New in package w/full docs, 
$17.00 each shipping included. 2 pkgs avail.


W5KDJ - Wayne (USNR ret)
TF2WJN * SV0WWW * 3DA0KDJ * A25KDJ
LoTW * eQSL
A2_Botswana - July 5-21, 2007
'Diplomacy is the art of saying 'Nice
doggie!' until you can find a rock'.