ACT4419 Aeroflex Circuit Technology, ACT4419 Datasheet - Page 5

• Manufacturer Part Number: ACT4419
• Description: Single Supply Variable Amplitude Transceivers For Mil-std-1553
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
Figure 3 – Transmitter (TX) Output Amplitude
6.75
5.25
3.75
2.25
7.5
4.5
1.5
.75
TX DATA OUT
TX DATA OUT
Figure 5 – Typical Transformer Connection
RX DATA IN
RX DATA IN
6
3
0
D.U.T
V
0
P
-
P
@ B–B'
1
Slope = 0.75 V
Slope = 1.5 V
vs Control Voltage
2
70
Typical
3
CONTROL VOLTAGE
Transformer
Use Technitrol 1553-45 or Equivalent
P
P
-
4
P
-
P
/Vdc for 5V
/Vdc for 10V
5
P’
P
1:2.5
6
B’
B
7
55
55
Center
Tap
8
A’
A
9
10
1:1.77 for
coupling
Vdc
stub
Z
7.5
4.5
1.5
O
70
6
3
5
0 volts
Figure 6 – Power Dissipation vs. Duty Cycle
Note: Vcc = 5 Volts, V
Figure 4 – Transmitter (TX) Output Offset
1600
1400
1200
1000
800
600
400
200
0
*Offset measured at point A-A’ in Fig 5
0
10
LAST BIT
SCD4419 REV B 10/21/99 Plainview NY [phone]
20
DUTY CYCLE – PERCENT
Maximum
30
bus
2.5 µsec
40
(pt A-A') at 7.5 Volts P-P
50
60
70
Magnified View
Typical
OUTPUT OFFSET
OUTPUT OFFSET
80
90 100
*
*