hi-1570 Holt Integrated Circuits, Inc., hi-1570 Datasheet - Page 6

• Manufacturer Part Number: hi-1570
• Description: 5v Monolithic Dual Variable Amplitude Transceiver
• Manufacturer: Holt Integrated Circuits, Inc.

V
TXINHA/B
CONT
35
TXA/B
TXA/B
W
A&B
(.5 Zo)
TRANSMITTER
(.75 Zo)
(.75 Zo)
Figure 4. Transmitter Output Amplitude (Vo)
52.5
52.5
Figure 3. Transformer Coupled Test Circuits
7.5
7.5
6.0
6.0
4.5
4.5
3.0
3.0
1.5
1.5
0
0
0
W
W
BUSA/B
BUSA/B
Control Voltage - V
Control Voltage - V
Transformer
Slope = Vo ÷ V
vs V
Coupling
HOLT INTEGRATED CIRCUITS
1.0
1.4:1
CONT
D
Transformer
Isolation
1:1.79
2.0
Point
A&B Voltage
HI-1570
“A ”
D
T
Transformer
6
Isolation
CONT
CONT
CONT
1.79:1
3.0
Point
“A ”
A&B
T
A&B
A&B
Transformer
Coupling
1:1.4
4.0
RXENA/B
RECEIVER
5.0
(.75 Zo)
(.75 Zo)
52.5
52.5
FS
FS
0.8FS
0.8FS
0.6FS
0.6FS
0.4FS
0.4FS
0.2FS
0.2FS
0
0
W
W
35
RXA/B
RXA/B
W
(.5 Zo)