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OM-1 Transmitter
Plasma Sonics Ltd. Co
PLEASE READ THIS OPERATIONS MANUAL PRIOR TO
USAGE OF YOUR NEW OM-1 TRANSMITTER! FAILURE
TO FOLLOW INSTRUCTIONS CAN RESULT IN DAMAGE
TO YOUR NEW TRANSMITER !
Your new OM-1 Transmitter is designed as a pulsed RF driver for a variety of different
instruments. It is designed to either be used in stand alone usage, or to be used in
conjunction with an RF amplifier. Utilization of the OM-1 with an amplifier will
necessitate the addition of some sort of harmonic suppression to the amplifiers output.
The OM-1 is designed specifically for square wave audio modulation. Do not use less
than a 50% duty cycle, and preferably a 70% duty cycle, square wave, for modulation
purposes.
The front side of the OM-1 has an on-off switch, a BNC connector, and a 4 pin
microphone connector. The OM-1 is not designed for voice communication! The 4 pin
connector allows one to use a computer controlled relay system to automatically turn the
transmitter function on and off.
The OM-1 is extremely simple to use, there two primary rule to remember:
1. The OM-1 is extremely sensitive to the input square wave power level! Excessive
voltage and current can destroy the audio amplifier chip! Do Not !!! attempt to
operate your OM-1 until after reading all instructions and setting input voltage
from your frequency generator to an absolute minimum.
2. Do not operate (transmit) your OM-1 without being connected to some sort of
load!

Preparing The OM-1 For Use

1. Make certain all power switches are in the off position. This includes the power
supply , the OM-1 transmitter, and the frequency generator.

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Summary of Contents for Plasma Sonics OM-1

  • Page 1 50% duty cycle, and preferably a 70% duty cycle, square wave, for modulation purposes. The front side of the OM-1 has an on-off switch, a BNC connector, and a 4 pin microphone connector. The OM-1 is not designed for voice communication! The 4 pin connector allows one to use a computer controlled relay system to automatically turn the transmitter function on and off.
  • Page 2 –db button or buttons . Push ALL of these in. 3. Connect the power wire with the fuse in it, found on the back side of the OM-1, to the positive side of a 13.8 volt, 5 ampere or greater , power supply.
  • Page 3: Specifications

    Once set the OM-1 should provide years of trouble free operation. 10. It is advised that only one input be used with the OM-1 at a time. That is use either the BNC input or the 4 pin input, do not have both connected to separate frequency generators at the same time.

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