BUS-8553-21 datasheet, PDF - EEWORLD Datasheet

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BUS-8553-21: DescriptionTelecom IC; CategoryWireless rf/communication Telecom circuit; File Size50KB，4 Pages; ManufacturerData Device Corporation

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BUS-8553-21 Overview

Telecom IC

BUS-8553-21 Parametric

Parameter Name	Attribute value
Maker	Data Device Corporation
package instruction	,
Reach Compliance Code	unknown

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BUS-8553

MIL-STD-1553 TRANSCEIVER

DESCRIPTION

The BUS-1553 Transceiver is a com-

plete transmitter and receiver which

fully conforming to MIL-STD-1553A

and 1553B. Features of this high reli-

ability transceiver include: Harris

15530 type Encoder/Decoder direct

interface compatibility, ±15 V or +15

and -12 V power supply requirements,

and an internal (factory pre-set)

threshold level.

The block diagram, FIGURE 1, illus-

trates the BUS-8553 Transceiver. The

receiver section accepts phase-mod-

ulated bipolar data from a MIL-

STD-553 Data Bus and produces TTL

signal data at outputs: RX Data Out

and RX Data Out. These outputs rep-

resent positive and negative excur-

sions of the input bus signals beyond

a preset threshold level. The receiver

can be taken off-line (outputs dis-

abled) by applying a logic “0” to the

RECEIVER STROBE input.

The transmitter section accepts bipo-

lar TTL signal data at its TX Data and

TX Data input lines and produces a

28 V pk-pk differential signal across a

140

Ω

load that is coupled through a

transformer to the TX Data and

TX Data outputs. An external TX

INHIBIT, when activated with a logic

“1” will take the transmitter off-line and

ignore the data inputs

FEATURES

•

Meets All MIL-STD-1553A and

1553B Requirements

•

Very Low Power Dissipation

•

Improved Receiver Filtering

Enhances System Bit Error Rate

•

HARRIS 15530 Encoder/Decoder

Direct Interface Compatibility

APPLICATION

The BUS-8553s small size, low

power dissipation, and direct inter-

face compatibility with Harris 15530

type Encoder/Decoder makes it an

excellent choice for any MIL-STD-

1553A or 1553B transceiver applica-

tion. The BUS-8553 comes in a her-

metic 24-pin DDIP package that

measures 1.4 x 0.8 x 0.2 inches.

•

Screened to MIL-PRF-38534

•

Power Supplies:

±15 V or

+15 V and -12V

+15 V

1553

DATA

BUS

-12 V

-15 V +5 V

RECEIVER STROBE

BI PHASE

TTL DATA

PHASE MODULATED

BIPOLAR DATA

RX Data In

SHORT OR

LONG STUB

COUPLING

ISOLATION

TRANSFORMER

RX Data In

RECEIVER SECTION

COMPARATOR

RX Data

LIMITER

FILTER

RX Data

DECODER

COMPARATOR

TRANSMITTER SECTION

DRIVER

TX Data Out

SHAPING

NETWORK

DRIVER

TX Data Out

SHAPING

NETWORK

TX Data In

ENCODER

TX INHIBIT

BUS-8553-BLOCK DIAGRAM

1985, 1999 Data Device Corporation

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