ACT4469DI Просмотр технического описания (PDF) - Aeroflex Corporation

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ACT4469DI

Dual Variable Amplitude Transceivers for H009

Aeroflex Corporation 

Figure 3 – Typical Transmitter Output

Amplitude (Vo) vs Vcont Voltage

VO PK-PK @ A– A'

21

FS

16.8

12.6

Slope = ∆VO ÷ ∆VCONT

@175Ω

0.8FS

0.6FS

8.4

0.4FS

4.2

0.2FS

0

0

2

VCONT dc

4

6

8

10

CONTROL VOLTAGE

Figure 4 – Transmitter (TX) Output Offset

LAST BIT

Magnified View

OUTPUT OFFSET*

OUTPUT OFFSET*

2.5 µsec

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

Figure 5 – Typical Transformer connection Figure 6 – Power Dissipation vs. Duty Cycle

(Total hybrid with one channel transmitting

and the other in standby)

TX/RX DATA OUT + *

34Ω N1:N2

3.6

CB

A

3.2

2.8

175Ω

2.4

Maximum

TX/RX DATA OUT + * B'

A'

2.0

C 34Ω

1.6

ACT4469D, CH A

Use Aeroflex 25T1553-1

1.2

Transformer turns ratio:

N1:N2 = 1:1

.8

.4

Typical

* External Coupling Capacitors are required for each output.

Recommened 1µF ceramic 25V/50V or can use Tantalum

(15WVDC min) with 0.1µF ceramic in parallel for each output.

0

0 10 20 30 40 50 60 70 80 90 100

DUTY CYCLE – PERCENT

Note: Vcc = ±15V Volts, Vbus (Pt. A-A') at 21 Volts P-P

Model No.

ACT4469D

ACT4469DI

Aeroflex Circuit Technology

Configurations and Ordering Information

Receiver Data level

Normally Low

Normally High

Case

DIP

Specs.

H009

Configuration

Dual

5

SCD4469D REV A 5/21/01 Plainview NY (516) 694-6700

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