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PDF ACT4402 Data sheet ( Hoja de datos )
| Número de pieza | ACT4402 | |
| Descripción | ACT4402 SINGLE TRANSCEIVER FOR MIL-STD-1553/1760 | |
| Fabricantes | Aeroflex Circuit Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ACT4402 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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ACT4402 SINGLE TRANSCEIVER
FOR MIL-STD-1553/1760
Features
• +5 / ±15 Volt Supply Operation
• Low Power Dissipation
• Outstanding MIL-STD-1553 performance
• Superior High Frequency Line Transient and Input
Ripple Rejection
• Input and Output TTL Compatible Design
• Processed and Screened to MIL-STD-883 Specs
• MIL-PRF-38534 Compliant Devices Available
• Replacement for Aeroflex’s 3402 & 2402
• Packaging – Hermetic Ceramic
I Available in a 24pin Ceramic Housing which is 21%
smaller than the metal plug-in
I Non-conductive mounting surface
I No package glass beads
I Small size & light weight
TX DATA IN
TX DATA IN
TX INHIBIT IN
+5V (VL)
+15V (VCC)
-15V (VEE)
GND1
GND2
GND3
RX DATA IN
RX DATA IN
CASE
RX STROBE IN
DRIVER
INPUT
AMPLIFIER
ACTIVE
FILTER
REFERENCE
ACTIVE
FILTER
OUTPUT
STAGE
TX DATA OUT
TX DATA OUT
COMP.
RX DATA OUT
COMP.
RX DATA OUT
Block Diagram (Without Transformer)
CIRCUIT TECHNOLOGY
www.aeroflex.com
General Description
The Aeroflex Circuit Technology
ACT4402 is a next generation
monolithic transceiver design
which provide full compliance to
MIL-STD-1553A/B and 1760
requirements in a small ceramic
package with low power
consumption.
The ACT4402 series performs the
front-end analog function of
inputting and outputting data
through a transformer to the
MIL-STD-1553 data bus.
Design of this transceiver reflects
particular attention to active filter
performance. This results in low bit
and word error rate with superior
waveform purity and minimal zero
crossover distortion. Efficient
transmitter electrical and thermal
design provides low internal power
dissipation and heat rise at high as
well as low duty cycles.
Transmitter
The Transmitter section accepts
bi-phase TTL data at the input and
when coupled to the data bus with a
1.4:1 ratio transformer, isolated on
the data bus side with two 52.5
Ohm fault isolation resistors, and
loaded by two 70 Ohm
terminations, the data bus signal is
typically 7.5 Volts P-P at point A
(See Figure 5). When both DATA
and DATA inputs are held low or
high, the transmitter output
becomes a high impedance and is
“removed” from the line. In addition,
an overriding “INHIBIT" input
eroflex Circuit Technology – Data Bus Modules For The Future © SCD4402 REV A 5/28/99
1 page  
Figure 3 – Transmitter (TX) Output Offset
0 Volts
LAST BIT
Magnified View
*OUTPUT OFFSET
*OUTPUT OFFSET
2.5 µsec
*Offset measured at point A in Figure 5
Figure 5 – Typical 1553 Bus Connections
Transformer Coupled Stub
70Ω
ACT4402
TX DATA OUT
TX DATA OUT
RX DATA IN
RX DATA IN
2:1
37
2
C
15
T1553-2
Zoi
1:1.4 52.5Ω
A
52.5Ω
VCM
Figure 4 – Hybrid Power Dissipation vs. Duty Cycle
3600
3200
2800
2400
Typical Hybrid Input Power
2.97W
2000
1600
1.87W
1200
800 Typical Hybrid
400
0.270
Dissipation
0
0 10 20 30 40 50 60 70 80 90 100
DUTY CYCLE – PERCENT
Note: Vcc= +15V, VEE = -15V, VL= +5V, Transformer ratio 1.4:1,
VBUS (point A) at 7.5VP-P.
Direct Coupled Stub
ACT4402
TX DATA OUT
TX DATA OUT
RX DATA IN
RX DATA IN
1.4:1
38
2B
52.5Ω
14
T1553-2
52.5Ω
Zoi
A
70Ω
Transformer Model use Technitrol Part# 1553-2
or equivalent
Configuration and Ordering Information
ACT
Model # / Ordering Part #
Case
Style
DESC
Number
ACT4402
Ceramic Dip
TBA
ACT4402-I
Ceramic Dip
TBA
Rx Standby
Normally Low
Normally High
Specifications subject to change without notice.
Aeroflex Circuit Technology
5
SCD4402 REV A 5/28/99 Plainview NY (516)694-6700
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet ACT4402.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| ACT4402 | ACT4402 SINGLE TRANSCEIVER FOR MIL-STD-1553/1760 | Aeroflex Circuit Technology |
| ACT4402-I | ACT4402 SINGLE TRANSCEIVER FOR MIL-STD-1553/1760 | Aeroflex Circuit Technology |
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