|
Request A Quote
Home
Current Stock
Manuals
The Graveyard
Terms & Conditions
| |
| ME520A |
| The Digital Transmission Analyzer
ME520A measures digital errors of bit rates from 1 kbit to 150 Mbit/s
(maximum 170 Mbit/s with Option 02), and digital timing jitter of clock
frequencies from 700 kHz to 150 MHz (maximum 170 MHz with Option 02).
This analyzer is ideal for development and maintenance of 1st to 4th
order digital line transmission systems, digital radio transmission
systems and digital optical transmission systems, including the 10CH
system of the PCM 30CH system (CEPT). The input/output interface
conforms to CCITT Rec. G.703, the pseudo-random pattern conforms to
CCITT Rec. O.151, and jitter measurement conforms to CCITT Rec.O.171.
The ME520A consists of a transmitter and a receiver. End-to-end and
loop-back tests can be performed with one ME520A. The transmitter can
output pseudo-random (PRBS 2 exp.10-1, 2 epx 15-1, 2 epx.23-1), 1 to 16
bit variable length programmable words, and 2 x 8 bit alternate word
patterns as NRZ an RZ unipolar signals, AMI and HDB3 bipolar signals,
and in CMI signal formats. Bit and code error addition, internal clock
frequency offset, and jitter modulation by external signals are possible
by adding functions. The receiver can measure digital errors of unipolar,
AMI, HDB3 and CMI signals. Jitter measurement is also possible with
clock signals or code signals (clock regenerated internally). Digital
error and jitter are simultaneously measured and analyzed and the
results are displayed digitally. The measured results can be printed out
with a built-in thermal printer (Option 01) and the results can be
stored. The GP-IB interface is standard with both the transmitter and
the receiver unit. It is convenient for taking measurements
automatically |
|