ACT4453 Просмотр технического описания (PDF) - Aeroflex Corporation

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ACT4453

SINGLE SUPPLY TRANSCEIVERS

Aeroflex Corporation 

Figure 3 – Transmitter (TX) Output Wave form

Figure 4 – Transmitter (TX) Output offset

6V P-P MIN

9V P-P MAX

90%

tf*

0 volts

0 Volts

10%

tr*

* Rise and fall times measured at point A-A' in Figure 5

LAST BIT

Magnified View

* OUTPUT OFFSET

* OUTPUT OFFSET

2.5 µsec

*Offset measured at point A-A' in Figure 5

Figure 5 – Typical direct transformer connection

70Ω

70Ω

Figure 6 – Power Dissipation vs. Duty Cycle

(Total hybrid with one channel transmitting

and the other not powered)

TX DATA OUT

TX DATA OUT

RX DATA IN

RX DATA IN

N1:N2 52.5Ω

P

B

A

Center

Tap

N1:N3 for

Stub

Coupling

P'

B'

A'

52.5Ω

Transformer turns ratios:

N1:N2 = 1:2.12

N1:N3 = 1:1.5

Use Technitrol 1553-5 or equiv.

1600

1400

1200

1000

800

600

Maximum

Typical

400

200

0

0 10 20 30 40 50 60 70 80 90 100

DUTY CYCLE – PERCENT

Note:Vcc=5 Volts,Transformer ratio 1:2.12, Vbus (pt A-A') at 7 Volts P-P

Model No.

ACT 4453

ACT 4463

ACT 4453-2

ACT 4463-2

Configurations and Ordering Information

DESC No.

5962-89522

5962-89522

5962-89522

5962-89522

Receiver Data level

Normally Low Rx

Normally High Rx

Normally Low Rx

Normally High Rx

Case

Dual in Line

Dual in Line

Flat Package

Flat Package

Configuration

Dual

Dual

Dual

Dual

Aeroflex Circuit Technology

5

SCD4453 REV A 1/29/98 Plainview NY (516) 694-6700

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