ACT4419DF datasheet(5/6 Pages) AEROFLEX

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Aeroflex Circuit Technology

SCD4419D REV G 5/10/00 Plainview NY (516) 694-6700

Configurations and Ordering Information

Model No.

DESC No.

Receiver Data level

Case

Specs.

Configuration

ACT4419-D *

Pending

Normally Low

DIP

1553

Dual

ACT4419-DF *

Pending

Normally Low

Flat Package

1553

Dual

* For 10V Control voltage consult factory.

Figure 4 – Transmitter (TX) Output Offset

Figure 5 – Typical Transformer Connection

OUTPUT OFFSET

LAST BIT

2.5 µsec

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

1:2.5

A’

B’

TX DATA OUT

RX DATA IN

Ω

Center

Tap

1:1.77 for

stub

coupling

Magnified View

D.U.T

P’

Use Technitrol 1553-45 or Equivalent

Transformer:

VCONT = 0 – 5Vdc

(Total hybrid with one channel transmitting

and the other in standby)

0.4FS

0.8FS

0.6FS

0.2FS

VO PK-PK @ A–A'

Figure 6 – Power Dissipation vs. Duty Cycle

Note: Vcc = 5 Volts, Vbus (Pt. A-A') at 7.1 Volts P-P

90 100

1600

1400

1200

1000

800

600

400

200

DUTY CYCLE – PERCENT

Typical

Maximum

Figure 3 – Transmitter Output Amplitude (VO)

vs VCONT Voltage

CONTROL VOLTAGE

2.84

7.1

5.68

4.26

1.42

VCONT dc

Slope =

∆VO ÷ ∆VCONT

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