ACT4489-D 查看數據表（PDF） - Aeroflex Corporation

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比赛名单

ACT4489-D

DUAL TRANSCEIVER FOR MIL-STD-1553/1760

Aeroflex Corporation 

Figure 3 – Transmitter (TX) Output Offset

0 Volts

LAST BIT

2.5 µsec

Magnified View

* OUTPUT OFFSET

* OUTPUT OFFSET

*Offset measured at point A in Figure 5

Figure 5 – Typical 1553 Bus Connections

Transformer Coupled Stub

70Ω

ACT 4489

TX DATA OUT

1 : 0.707

37

2

C

1 : 1.4 52.5Ω

A

TX DATA OUT

RX DATA IN

RX DATA IN

15

T1553-1

Zoi

52.5Ω

VCM

Figure 4 – Hybrid Power Dissipation vs. Duty Cycle

(Total hybrid with one channel transmitting

and the other not powered – 100% Duty Cycle)

3600

3200

2800

2400

2000

1600

1200

Typical Hybrid Input Power

3.0W

1.9W

800

Typical Hybrid

400

0.270

Dissipation

0

0 10 20 30 40 50 60 70 80 90 100

DUTY CYCLE – PERCENT

Note: Vcc= +12V, VEE = -12V, VL= +5V, Transformer ratio 1:1,

VBUS (point A) at 7VP-P.

Direct Coupled Stub

ACT 4489

TX DATA OUT

TX DATA OUT

RX DATA IN

RX DATA IN

1:1

38

2

B

52.5Ω

14

T1553-1

52.5Ω

Zoi

A

70Ω

Transformer Model use Technitrol Part# 1553-1

or equivalent

Configurations and Ordering Information

ACT

Model # / Ordering Part #

ACT 4489-D

ACT 4489-DI

ACT 4489-DF

ACT 4489-DFI

Case

Style

DIP

DIP

FP

FP

DESC

Number

TBA

TBA

TBA

TBA

Rx Standby

Normally Low

Normally High

Normally Low

Normally High

Specifications subject to change without notice.

Aeroflex Circuit Technology

5

SCD4489D REV A 1/30/98 Plainview NY (516) 694-6700

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