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4469 Schematic ( PDF Datasheet ) - Aeroflex Circuit Technology

Teilenummer 4469
Beschreibung Dual Variable Amplitude Transceivers for H009
Hersteller Aeroflex Circuit Technology
Logo Aeroflex Circuit Technology Logo 




Gesamt 6 Seiten
4469 Datasheet, Funktion
ACT4469D
Dual Variable Amplitude Transceivers
for H009
Features
• World’s smallest and lowest standby power dual
variable amplitude H009 transceiver 1.25" x 0.61"
maximum ceramic package
• Dual transceiver with variable output amplitude
control meets McDonnell Douglas H009 data bus
specifications
• Lowest standby power
• Low power dissipation at full output power
• Operates with ±12V to ±15 and +5V power supplies
• Voltage source output for transmitter
• Monolithic construction
• Processed to commercial or screened to
MIL-STD-883 specs
• +10V Control line for transmitter amplitude
adjustment (See Figure 3)
• Packaging – Hermetic Ceramic
Non-conductive mounting surface
No package glass beads
Small size & light weight
TX DATA IN
TX DATA IN
TX INHIBIT
+5 V
+VCC
-VEE
GROUND
STROBE
DRIVER
Channel A
Channel A
Channel B
INPUT
AMP
TRANSMIT
ACTIVE
FILTER
CHANNEL B
VARIABLE
AMPLITUDE
OUTPUT
STAGE
VCONT
TX/RX
TX/RX
REFERENCE
CO MP.
RX DATA OUT
RECEIVE
ACTIVE
FILTER
CO MP.
RX DATA OUT
Block Diagram (without Transformer, Channel A shown)
CIRCUIT TECHNOLOGY
www.aeroflex.com
General Description
The Aeroflex Circuit
Technology model ACT4469D is a
next generation monolithic
transceiver which provides variable
amplitude in compliance with H009
data bus requirements with the
lowest standby power consumption
available using three DC power
supplies operation.
The dual channel model
ACT4469D performs the front-end
analog function of inputting and
outputting data through a
transformer to a H009 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.
The ACT4469D series active filter
design provides the required H009
low harmonic distortion waveform
without increasing the pulse delay
characteristics significantly.
Efficient transmitter electrical
and thermal design provides low
internal power dissipation and heat
rise at high and well as low duty
cycles.The receiver input threshold
is set internally.
Variable amplitude is adjusted
with factory preset 0–10Vdc control
line at 2 mA maximum input current
at 10 Volts.
Transmitter
The Transmitter section
accepts complementary TTL data
at the input, and when coupled to
the data bus with a 1:1 transformer,
isolated on the transceiver side with
two 34 ohm fault isolation resistors,
and loaded by a 175 ohm
termination, the data bus signal
produced is 20 Volts nominal P-P at
eroflex Circuit Technology – Data Bus Modules For The Future © SCD4469D REV A 5/21/01






4469 Datasheet, Funktion
Package Dimensions
CIRCUIT TECHNOLOGY
24 13
Pin# 1 & ESD
Designator
.200
MAX
1.270
MAX
12
.620
MAX
Pin Outs
.030
.010
.019
.015
.050
TYP
.150
MIN
All dimensions in inches
.610
.590
.012
.008
ACT4469D
Pin #
Function
Pin #
Function
1 TX DATA OUT A / RX DATA IN A 13 +5V B
2 TX DATA OUT A / RX DATA IN A 14 -15V B
3 GROUND
15 +15V B
4 STROBE A
16 INHIBIT B
5 RX DATA OUT A
17 TX DATA IN B
6 RX DATA OUT A
18 TX DATA IN B
7 10V CONTROL IN
19 +5V A
8 TX DATA OUT B / RX DATA IN B 20 -15V A
9 TX DATA OUT B / RX DATA IN B 21 +15V A
10 STROBE B
22 INHIBIT A
11 RX DATA OUT B
23 TX DATA IN A
12 RX DATA OUT B
24 TX DATA IN A
Specifications subject to change without notice.
Aeroflex Circuit Technology
35 South Service Road
Plainview New York 11803
Aeroflex Circuit Technology
Telephone: (516) 694-6700
FAX:
(516) 694-6715
Toll Free Inquiries: 1-(800)THE-1553
6 SCD4469D REV A 5/21/01 Plainview NY (516) 694-6700

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