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PDF ARX4418-FP Data sheet ( Hoja de datos )
| Número de pieza | ARX4418-FP | |
| Descripción | ARX 4418 & 4417 Variable Amplitude Transceivers for MACAIR A3818/ A5690/ A5232/ A4905 & MIL-STD-1553 | |
| Fabricantes | Aeroflex Circuit Technology | |
| Logotipo |  |
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ARX 4418 & 4417 Variable Amplitude Transceivers for
MACAIR A3818, A5690, A5232, A4905
& MIL-STD-1553
Features
• ARX 4418 Transceiver meets MIL-STD-1553A&B,
Macair A3818, A4905, A5232 and A5690 specs
• ARX 4417 Transceiver meets MIL-STD-1553 specs
• Operates with ±15 Volts to ±12 Volts power supply
• Voltage source output for higher bus drive power
• Plug-in, flat package or low profile flat package
• Monolithic construction using linear ASICs
• Variable receiver threshold capability
• Variable TX Amplitude
• Processed and screened to Mil-STD-883 specs
• DESC SMD (Standard Military Drawing)
ARX 4418FP/4418 Transceivers
TX DATA IN
TX DATA IN
TX INHIBIT
EX THRESHOLD
DATA
DATA
SET INTERNAL
THRESHOLD DATA
EX THRESHOLD
DATA
+5 V
-12V or -15V
RX DATA IN
RX DATA IN
+15V or +12V
STROBE
DRIVER
INPUT
AMP
SHAPING
OUTPUT
STAGE
V+
V-
ACTIVE
FILTER
COMP.
COMP.
Block Diagram (without Transformer)
TX DATA OUT
TX DATA OUT
AMP CONTROL
RX DATA OUT
RX DATA OUT
CIRCUIT TECHNOLOGY
www.aeroflex.com
General Description
The Aeroflex Laboratories
transceiver models ARX 4418 and
ARX 4417 are new generation
monolithic transceivers which provide
full compliance with Macair and
MIL-STD-1553 data bus requirements
while providing variable amplitude
control.
The model ARX 4418 and model
ARX 4417 perform the front-end
analog function of inputting and
outputting data through a transformer
to a MIL-STD-1553 or Macair data
bus. The ARX 4418 can be
considered a "Universal" Transceiver
in that it is compatible with
MIL-STD-1553A, B, Macair A-3818,
A-4905, A-5232 and A-5690. The
ARX 4417 is compatible with
MIL-STD-1553A/B.
Design of these transceivers
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. The ARX4418
series active filter design has
additional high frequency roll-off to
provide the required Macair low
harmonic distortion waveform without
increasing the pulsedelay characteris-
tics significantly.
Efficient transmitter electrical and
thermal design provides low internal
power dissipation and heat rise at
high and well as low duty cycles.
Variable amplitude is adjusted with
0–10 Vdc on the control pin. An
optional receiver input threshold
adjustment can be accomplished by
the use of the "Set Internal
Threshold" terminals.
eroflex Circuit Technology – Data Bus Modules For The Future © SCD4418 REV B 10/18/99
1 page  
Figure 3 – Transmitter (TX) Output Amplitude
vs Control Voltage
Figure 4 – Transmitter (TX) Output offset
VP-P @ B–B'
30
27
24
21
Typical
18
15
12
9
Slope = 3VP-P/Vdc
6
3
0
01
234567
Vdc
8 9 10
CONTROL VOLTAGE
0 Volts
LAST BIT
Magnified View
*OUTPUT OFFSET
*OUTPUT OFFSET
2.5 µsec
*Offset measured at point A-A’ in Fig 5
Figure 5 – Typical Transformer Connection
70Ω 70Ω
TX DATA OUT
TX DATA OUT
RX DATA IN
RX DATA IN
N1:N2 52.5Ω
BA
Center
tap
B’ A’
N1:N3 for
stub
coupling
52.5Ω
Transformer turns ratios:
N1:N2 = 1:1
N1:N3 = 1:0.707
Use Aeroflex 25T1553-1
Figure 6 – Power Dissipation vs Duty Cycle
4.0
3.5
3.0
2.5
(TYPICAL)
2.0
1.5
1.0
0.5
0
0 10 20 30 40 50 60 70 80 90 100
DUTY CYCLE, PERCENT
NOTES
1. Characteristics guaranteed by design, not production tested.
2. Power on or off, measured from 75KHz to 1MHz at point A-A' and transformer self impedance of 3KΩ minimum at
1MHz.
3. Specifications apply over the temperature range of -55°C to +125°C (Case Temperature) unless otherwise noted.
4. All typical values are measured at +25°C.
The information contained in this data sheet is believed to be accurate; however, Aeroflex Circuit Technology. assumes no
responsibility for its use, and no license or rights are granted by implication or otherwise in connection therewith.
Aeroflex Circuit Technology
5 SCD4418 REV B 10/18/99 Plainview NY (516) 694-6700
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ARX4418-FP.PDF ] | |
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