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ACT4455

Aeroflex Circuit Technology
Part Number ACT4455
Manufacturer Aeroflex Circuit Technology
Description SINGLE SUPPLY TRANSCEIVER
Published Mar 23, 2005
Detailed Description ACT 4455 / 4459 SINGLE SUPPLY TRANSCEIVERS FOR MIL-STD-1553/1760 Features • Single 5 Volt Supply Operation • Low Power ...
Datasheet PDF File ACT4455 PDF File

ACT4455
ACT4455

Overview
ACT 4455 / 4459 SINGLE SUPPLY TRANSCEIVERS FOR MIL-STD-1553/1760 Features • Single 5 Volt Supply Operation • Low Power Dissipation • Small Size & Light Weight • Single Transceiver Save Space & Cost • Outstanding MIL-STD-1553 performance • Processed and Screened to Mil-STD-883 Specs • Radiation Hard Dielectric Isolation Monolithic construction for Severe Environments • Superior High Frequency Line Transient and Input Ripple Rejection • Input and Output TTL Compatible Design • DESC SMD# 5962-96741 General Description: The Aeroflex Circuit Technology ACT4455 / 4459 series are next generation monolithic transceiver designs which provides full compliance with MIL-STD-1553A/B and 1760 requirements in the smallest packages with low power consumption and single power supply operation.
The ACT4455 / 4459 series performs the front-end analog function of inputting and outputting data through a transformer to the MIL-STD-1553 data bus.
Design of these transceivers 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.
Efficient transmitter electrical and thermal design provides low internal power dissipation and heat rise at high as well as low duty cycles.
www.
aeroflex.
com/act1.
htm CIRCUIT TECHNOLOGY TX DATA OUT TX DATA IN TX DATA IN DRIVER ACTIVE FILTER OUTPUT STAGE TX DATA OUT Transmitter: The Transmitter section accepts bi-phase TTL data at the input and when coupled to the data bus with a 1:2.
5 ratio transformer, isolated on the data bus side with two 52.
5 Ohm fault isolation resistors, and loaded by two 70 Ohm terminations, the data bus signal is typically 7.
5 Volts P-P at A-A' (See Figure 5).
When both DATA and DATA inputs are held low or high, the transmitter output becomes a high impedance and is “removed” from the line.
In addition, TX INHIBIT RX DATA OUT COMP.
+5 V REFERENCE +5V RTN RX DATA IN RX DATA IN INPUT AMPLIFIER ACTIVE FILTER RX DA...


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