3

SCD4462D Rev E 10/9/07

Aeroflex Plainview

FIGURE 3 – MACAIR / 1553 TRANSMITTER LOGIC WAVEFORMS

DATA IN

DATA IN

INHIBIT

LINE TO LINE

OUTPUT

Notes:

2. DATA and DATA inputs must be complementary waveforms or 50% duty cycle average, with no delays between them.

3. DATA and DATA must be in the same state during off time (both high or low).

1. Line to line waveforms illustrate Macair signals, MIL-STD-1553 signals are trapezoidal.

Note overlap

LINE TO LINE

INPUT

DATA OUT

DATA OUT

FIGURE 4 – MACAIR / 1553 RECEIVER LOGIC WAVEFORMS – ACT4462DI