1.1 About MP8931A Bit Error Rate Tester
The MP8931A has digital broadcast interfaces (DVB-ASI, DVB-SPI) in
addition to the general bit-error-rate test function. It is suitable for
quality evaluation at device production/construction and for maintenance
after installation.
1.2 Features
(1) Standard I/O interface for digital broadcasting
The MP8931A is equipped with the following I/O interfaces for digi-
tal broadcasting as standard:
DVB-SPI (Digital Video Broadcast - Synchronous Parallel Interface)
DVB-ASI (Digital Video Broadcast - Asynchronous Serial Interface)
(2) Transmitting/Receiving packets
Up to 6 types of packets can be selected.
(3) DVB-ASI interface output rate setting
Outputting packet data rate can be set.
(4) Remote control
Remote control can be performed via GPIB or RS-232C interface.
1.3 Function
(1) Measuring error rate, number of errors and total number of received
data
Measures total number of bits and number of error bits within re-
ceived data to display error rate.
•
Error rate display:
Calculates error rate from total number of bits and number of er-
ror bits within received data, and displays it
•
Error bits/total bits display:
Displays number of error bits and total number of bits within re-
ceived data in “number of error bits/total number of bits” format.
(2) Error addition function
Manual/continuous error addition possible.
(3) External clock input
Sends data that is synchronized with external clock. However, this
function is disabled when using DVB-ASI interface.
(4) Other
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