ACT4469D datasheet(1/6 Pages) AEROFLEX

部件名	ACT4469D

功能描述	Dual Variable Amplitude Transceivers for H009

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制造商	AEROFLEX [Aeroflex Circuit Technology]

网页	http://www.aeroflex.com

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CIRCUIT TECHNOLOGY

www.aeroflex.com

eroflex Circuit T

echnology – Data Bus Modules For The Future © SCD4469D REV A 5/21/01

General Description

The

Aeroflex

Circuit

Technology model ACT4469D is a

monolithic

transceiver which provides variable

amplitude in compliance with H009

data bus requirements with the

lowest standby power consumption

available

using

three DC power

supplies operation.

The

dual

channel

model

ACT4469D performs the front-end

analog function of inputting and

outputting

data

through

a

transformer to a H009 data bus.

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 ACT4469D series active filter

design provides the required H009

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.

Variable amplitude is adjusted

with factory preset 0–10Vdc control

line at 2 mA maximum input current

at 10 Volts.

Transmitter

The

Transmitter

section

accepts complementary TTL data

at the input, and when coupled to

the data bus with a 1:1 transformer,

isolated on the transceiver side with

two 34 ohm fault isolation resistors,

and

loaded

by

a

175

ohm

termination, the data bus signal

produced is 20 Volts nominal P-P at

Block Diagram (without Transformer, Channel A shown)

ACTIVE

AMPLITUDE

STAGE

COMP.

REFERENCE

ACTIVE

FILTER

DRIVER

TX DATA IN

TX INHIBIT

+5 V

STROBE

TX/RX

RX DATA OUT

GROUND

VCONT

CHANNEL B

INPUT

AMP

Channel A

Channel B

FILTER

OUTPUT

VARIABLE

TRANSMIT

RECEIVE

+VCC

-VEE

Channel A

Features

• World’s smallest and lowest standby power dual

variable amplitude H009 transceiver 1.25" x 0.61"

maximum ceramic package

• Dual transceiver with variable output amplitude

control meets McDonnell Douglas H009 data bus

specifications

• Lowest standby power

• Low power dissipation at full output power

• Operates with ±12V to ±15 and +5V power supplies

• Voltage source output for transmitter

• Monolithic construction

• Processed to commercial or screened to

MIL-STD-883 specs

• +10V Control line for transmitter amplitude

adjustment (See Figure 3)

• Packaging – Hermetic Ceramic

■

Non-conductive mounting surface

■

No package glass beads

■

Small size & light weight

for H009

Dual Variable Amplitude Transceivers

ACT4469D

类似零件编号 - ACT4469D

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