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ACT4468DFI डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - ACT4468D Dual Transceivers for MIL-STD-1553 - Aeroflex Circuit Technology

भाग संख्या ACT4468DFI
समारोह ACT4468D Dual Transceivers for MIL-STD-1553
मैन्युफैक्चरर्स Aeroflex Circuit Technology 
लोगो Aeroflex Circuit Technology लोगो 
पूर्व दर्शन
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ACT4468DFI pdf
a high impedance and is “removed”
from the line. In addition, an
overriding “INHIBIT" input provides
for the removal of the transmitter
output from the line. A logic “1”
applied to the “INHIBIT” takes
priority over the condition of the data
inputs and disables the transmitter.
(See Transmitter Logic Waveform,
Figure 1.)
The transceiver utilizes an active
filter to suppress harmonics above
1MHz. The Transmitter may be
safely operated at 100% duty cycle
for an indefinite period into a short
circuited 1553 bus.
Receiver:
The Receiver section accepts
bi-phase differential data at the input
and produces two TTL signals at the
output. The outputs are DATA and
DATA, and represent positive and
negative excursions of the input
beyond a pre-determined
threshold.(See Receiver Logic
Waveform. Figure 2.)
The pre-set internal thresholds will
detect data bus signals exceeding
1.150 Volts P-P and reject signals
less than 0.6 volts P-P when used
with a 1:2.5 turns ratio transformer.
(See Figure 5 for transformer data
and typical connection.)
CIRCUIT TECHNOLOGY
Figure 1. Transmitter Logic Waveforms
DATA IN
DATA IN
INHIBIT
LINE TO LINE
OUTPUT
NOTES:
1.DATA and DATA inputs must be complementary waveforms or 50% duty cycle average, with no delays between them.
2.DATA and DATA must be in the same state during off time (both high or low).
Figure 2. Receiver Logic Waveforms
LINE TO LINE
INPUT
DATA OUT
DATA OUT
Note overlap
NOTE: Waveforms shown are for normally low devices. For normally high receiver output
level devices, the receiver outputs are swapped as shown by the dashed lines.
Aeroflex Circuit Technology
2
SCD4468D REV B 5/25/00 Plainview NY (516) 694-6700

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