HI-2579 查看數據表（PDF） - Holt Integrated Circuits

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HI-2579

3.3V MIL-STD-1553/1760 Dual Transceiver with Integrated Transformers

Holt Integrated Circuits 

HI-2579, HI-2581

MIL-STD-1553

BUS A

(Direct Coupled)

Transceiver A

Transceiver B

Isolation

Transformer

BUSA

55Ω

BUSA

55Ω

1:2.5

Isolation

Transformer

BUSB

1:2.5

BUSB

MIL-STD-1553

Stub Coupler

52.5Ω

MIL-STD-1553

BUS B

(Transformer Coupled)

52.5Ω

1:1.4

TXA/B

TXA/B

RXA/B

RXA/B

TXA/B

TXA/B

RXA/B

RXA/B

HI-2579

Figure 3.  Bus Connections Example using HI-2579

VDD

Each Bus

Isolation

Transformer

BUSA/B

55Ω

MIL-STD-1553

Transceiver

35Ω

BUSA/B

55Ω

HI-2579

GND

Figure 4.  Direct Coupled Test Circuit

VDD

Each Bus

Isolation

Transformer

BUSA/B

MIL-STD-1553

Transceiver

70Ω

BUSA/B

HI-2579

GND

Figure 5.  Transformer Coupled Test Circuit

Point

“AD”

Point

“AT”

HOLT INTEGRATED CIRCUITS

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