ACT4454 Aeroflex Circuit Technology, ACT4454 Datasheet - Page 5

• Manufacturer Part Number: ACT4454
• Description: Act 4454 / 4460 Single Supply Transceivers For Mil-std-1553a/b & MacaIR A3818, A4905, A5232 & A5690
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
6V P-P MIN
9V P-P MAX
Figure 5 – Typical Direct Transformer Connection
Figure 3 – Transmitter (TX) Output Wave
*
TX DATA OUT
TX DATA OUT
RX DATA IN
RX DATA IN
Rise and fall times measured at point A-A' in Figure 5
70
Transformer turns ratios:
N1:N2 = 1:2.5
N1:N3 = 1:1.77
Use Technitrol 1553-45 or equivalent
10%
90%
P
P'
N1:N2
t
r
*
B
B'
52.5
52.5
t
f
Center
*
Tap
A
A'
F
N1:N3 for
Coupling
orm
Stub
0 Volts
70
5
0 volts
Note: Vcc = 5V, Transformer ratio 1:2.5, V
Figure 6 – Power Dissipation vs. Duty Cycle
(Total hybrid with one channel transmitting
Figure 4 – Transmitter (TX) Output Offset
2000
1800
1600
1400
1200
1000
800
600
400
200
*
0
Offset measured at point A-A' in Figure 5
0
10
and the other not powered)
LAST BIT
20
SCD4454 REV A 3/17/99 Plainview NY [phone]
DUTY CYCLE – PERCENT
30
2.5 µsec
40
Maximum
50
bus
(pt A-A') at 7.0 Volts P-P
60
Magnified View
70
Typical
OUTPUT OFFSET
OUTPUT OFFSET
80
90 100
*
*