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NØXAS
The ID-O-Matic is a single chip ID timer/annunciator intended for Amateur Radio and other applications.
Several modes of operation make it suitable for use in the shack or as an automatic Morse code ID for
beacons, repeaters and "fox hunt" transmitters. Details of how to use the chip in your own project are in
these instructions.
Features of the ID-O-Matic:
•
Supply voltage from 3 to 5.5V
•
Low parts count
•
Serial interface for setup from PC or
terminal
•
Speed adjustable from 5 to 60 WPM
•
Variable pitch audio sidetone
•
Uses dual color LED for green/yellow/red
indicator
•
Reminder mode for shack use
•
Auto ID mode with repeater mode inputs
•
All memory and parameter settings retained
with power off
•
Compact, single 18-pin package ideal for
standalone use or integration into
transmitter or transceiver
ID-O-Matic Manual
ID Timer / Annunciator
6/16/2004
•
INHIBIT input to delay ID
•
START input to prevent "beaconing" on quiet
channel
•
Audio (MCW), CW and PTT outputs
•
62-character Morse message memory
•
AR, BT, SK prosigns and new @ character
supported
•
Delays from 1 second to over 9 hours are
possible
ID-O-Matic
Page 1 of 5
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Summary of Contents for NOXAS ID-O-Matic
- Page 1 ID-O-Matic ID Timer / Annunciator The ID-O-Matic is a single chip ID timer/annunciator intended for Amateur Radio and other applications. Several modes of operation make it suitable for use in the shack or as an automatic Morse code ID for beacons, repeaters and “fox hunt”...
- Page 2 Unused, leave unconnected Reset input, active LOW. Tie high to Vdd with a 10K Ohm resistor. Use a SPST, normally -open pushbutton switch to ground. This will reset the ID-O-Matic. In ID timer mode, this will silence the MCLR alarm and restart the timing interval.
- Page 3 INHIBIT input; active low logic level input JP1-3 SQUELCH input; active low logic level input JP1-4 CW output; logic level at 20 mA max JP1-5 PTT output; logic level at 20 mA max JP1-6 Ground ID-O-Matic Manual 6/16/2004 Page 3 of 5...
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Page 4: Setup And Operation
At nine minutes thirty seconds, the LED will begin to blink yellow and red. After ten minutes the LED will turn solid red and the ID-O-Matic will start to beep at you to remind you to ID. Push the RESET button to start a new cycle any time you ID. -
Page 5: Warranty
Small signal MOSFETs such as the recommended 2N7000 can generally be driven directly from the output pin of the PIC. If you intend to use the ID-O-Matic with a rig requiring grid-block or cathode keying, you will need to add a grid-block keying adapter such as the Universal Keying Adapter.
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