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ACP/ARP Radar Azimuth Converter Card

The BBG-ACP/ARP is an ISAbus compatible card which interfaces to any slot of an IBM PC or clone. The BBG-ACP/ARP accepts the Azimuth Reference Signal from a radar system and the ownship heading information to compute the TRUE and RELATIVE Azimuth Reference Pulses and the Azimuth Change Pulses. These signals, combined with the radar video signal, enable display of the radar situation picture on many commercial and military radar consoles.

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The BBG-ACP/ARP is a “SMART” interface due to the onboard processor which communicates with the PCbus through shared memory, thus, requiring minimum PC processor time. Ownship heading information can be inputted over the PCbus, via synchro/resolver inputs, or over a serial interface. The BBG-ACP/ARP serial message format uses the NMEA 0183 message structures and supports RS-232, RS-422, RS-423, RS-485, and MIL-STD-188C protocols.

DC power is supplied by the PCbus requiring no external power supplies. In situations not requiring a PC interface, the BBG-ACP/ARP operates in a “STAND-ALONE” mode. With the addition of an external +5 volt power supply, the onboard processor accepts the ARP and heading information to compute the true and relative azimuth signals without the requirement of a PCbus. Radar signals, reference inputs, and serial outputs are available on a 50 pin male (DB50P) connector.

  • IBM PC COMPATIBLE
  • INPUTS:
    • AZIMUTH REFERENCE PULSE
    • VIA DISCRETE OR SYNCHRO
    • OWNSHIP’S HEADING VIA
    • PCbus, SYNCHRO/RESOLVER
    • OR SERIAL
  • TRUE OR RELATIVE OUTPUTS:
    • AZIMUTH REFERENCE PULSE
    • AZIMUTH CHANGE PULSE
  • STAND-ALONE MODE WITH ADDITIONAL +5V POWER SUPPLY
  • CUSTOM IMPLEMENTATIONS AVAILABLE UPON REQUEST
Technical Specification
Parameter Value Units
Power Input 5 Volts
500 Milliamps
Temperature Range
Operating Temperature 0 to +50 °C
Storage Temperature -65 to +150 °C
Physical Characteristics
Full Size IBM PC Card 4.5 x 13.5 x 0.6 Inches
11.4 x 34.3 x 1.5 Centimeters

Card Layout: