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ARX4868 Datasheet(PDF) 1 Page - Aeroflex Circuit Technology |
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ARX4868 Datasheet(HTML) 1 Page - Aeroflex Circuit Technology |
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1 / 6 page  eroflex Circuit T echnology – Data Bus Modules For The Future © SCD4808 REV A 3/9/98 CIRCUIT TECHNOLOGY www.aeroflex.com/act1.htm Features • ARX4808 Dual Transceiver meets MIL-STD-1553A& B, Macair A3818, A5690, A5232 and A4905 specs • Operates with ±12 V to ±15 V & +5 V Power Supplies • Voltage source output for higher bus drive power • Plug-in or Flat Package • Monolithic construction using linear ASICs • Low receiver data level version, ARX4868 • Processed and Screened to MIL-STD-883 specs • DESC SMD (Standard Military Drawing ) Pending General Description: The Aeroflex Laboratories transceiver model ARX4808 is a new generation Dual monolithic transceiver which provides full compliance with Macair and MIL-STD-1553 data bus requirements The model ARX4808 performs the front-end analog function of inputting and outputting data through a transformer to a MIL-STD-1553 or Macair data bus. The ARX4808 can be considered a "Universal" Transceiver in that it is compatible with MIL-STD-1553A & B, Macair A-3818, A-4905, A-5232 and A-5690. Design of this transceiver reflects particular attention to active filter performance. This results in low bit and word error rate with superior waveform purity and minimal zero crossover distortion. The ARX4808 series active filter design has additional high frequency roll-off to provide the required Macair low harmonic distortion waveform without increasing the pulse delay characteristics significantly. Efficient transmitter electrical and thermal design provides low internal power dissipation and heat rise at high and well as low duty cycles.The receiver input threshold is set Internally. Transmitter The Transmitter section accepts bi-phase TTL data at the input and when coupled to the data bus with a 1:1 transformer, isolated on the data bus side with two 52.5 Ohm fault isolation resistors, and loaded by two 70 Ohm terminations plus additional ARX4808 Transceiver Block Diagram (without Transformer), 1/2 of unit shown SHAPING OUTPUT STAGE COMP. COMP. ACTIVE FILTER INPUT AMP DRIVER TX DATA IN TX DATA IN TX INHIBIT +5 V RX DATA IN RX DATA IN STROBE TX DATA OUT TX DATA OUT RX DATA OUT RX DATA OUT VEE VCC V+ V- ARX4808 Dual Transceivers for MACAIR A3818, A5690, A5232, A4905 & MIL-STD-1553 |
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