ACT4487 Aeroflex Circuit Technology, ACT4487 Datasheet - Page 5

• Manufacturer Part Number: ACT4487
• Description: Act 4487 Dual Transceiver For Mil-std-1553/1760
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
Figure 4 – Hybrid Power Dissipation vs. Duty Cycle
0 Volts
Figure 3 – Transmitter (TX) Output Offset
Note: Vcc= +15V, V
0.270
and the other not powered – 100% Duty Cycle)
(Total hybrid with one channel transmitting
V
3600
3200
2800
2400
2000
1600
1200
ACT
Model # / Ordering Part #
ACT 4487-D
ACT 4487-DI
ACT 4487-DF
ACT 4487-DFI
Specifications subject to change without notice.
800
400
BUS
*
0
(point A) at 7.5VP-P.
Offset measured at point A in Figure 5
0
10
Typical Hybrid Input Power
LAST BIT
EE
20
= -15V, V
DUTY CYCLE – PERCENT
30
Configurations and Ordering Information
2.5 µsec
40
L
= +5V, Transformer ratio 1.4:1,
50
60
Typical Hybrid
Dissipation
Magnified View
70
OUTPUT OFFSET
OUTPUT OFFSET
80
90 100
*
*
Case
Style
2.97W
1.87W
DIP
DIP
FP
FP
5
Figure 5 – Typical 1553 Bus Connections
TX DATA OUT
TX DATA OUT
TX DATA OUT
TX DATA OUT
5962-8757910X_
5962-8757910Y_
ACT 4487
ACT 4487
RX DATA IN
RX DATA IN
RX DATA IN
RX DATA IN
Number
5962-TBA
5962-TBA
Transformer Model use Technitrol Part# 1553-2
or equivalent
DESC
Transformer Coupled Stub
Direct Coupled Stub
SCD4487D REV B 3/10/98 Plainview NY [phone]
3
2
1
T1553-2
3
2
1
1.4:1
T1553-2
2:1
7
5
8
4
C
Rx Standby
Normally High
Normally High
B
Normally Low
Normally Low
Zoi
Zoi
52.5
52.5
1:1.4
V
CM
52.5
52.5
A
A
70
70