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5962-92061-08

ACT 4487 DUAL TRANSCEIVER FOR MIL-STD-1553/1760

Aeroflex Corporation 

ACT 4458 / 4464

SINGLE SUPPLY TRANSCEIVERS

FOR MIL-STD-1553/1760

Features

• Single 5 Volt Supply Operation

• Low Power Dissipation

• Small Size & Light Weight

• Dual Transceivers 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# 5962-92061

Case Style

ACT 4458FP

Actual Size

TX DATA IN

TX DATA IN

TX INHIBIT

+5 V

+5V RTN

RX DATA IN

RX DATA IN

STROBE

DRIVER

INPUT

AMPLIFIER

ACTIVE

FILTER

REFERENCE

ACTIVE

FILTER

OUTPUT

STAGE

TX DATA OUT

TX DATA OUT

COMP.

RX DATA OUT

COMP.

RX DATA OUT

Block Diagram (without Transformer)

CIRCUIT TECHNOLOGY

www.aeroflex.com/act1.htm

General Description:

The Aeroflex Circuit Technology

ACT4458 / 4464 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 ACT4458 / 4464 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.

Each channel of the dual

transceiver is completely separate

from the other and fully independent.

This includes power leads as well as

signal lines. Hence, each channel

may be connected to a different data

bus with no interaction.

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

eroflex Circuit Technology – Data Bus Modules For The Future © SCD4458 REV A 1/29/98

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