HI-1579, HI-1581
Each Bus
TRANSMITTER
Data Bus
Isolation
Transformer
Coupler
Network
Direct or
Transformer
BUSA/B
TXA/B
Transmit
Logic
TXA/B
TXINHA/B
RECEIVER
RXA/B
Receive
Logic
RXA/B
RXENA/B
BUSA/B
Slope
Control
Input
Filter
Comparator
Figure 1. Block Diagram
TRANSMIT WAVEFORM - EXAMPLE PATTERN
TXA/B
TXA/B
BUSA/B - BUSA/B
RECEIVE WAVEFORMS - EXAMPLE PATTERN
Vin
(Line to Line)
t
DR
t
DR
t
DR
t
DR
RXA/B (HI-1579)
t
RG
t
RG
RXA/B (HI-1579)
RXA/B (HI-1581)
t
RG
t
RG
RXA/B (HI-1581)
HOLT INTEGRATED CIRCUITS
3